msm: Port 7x30 vreg.c consumers to regulator API

Converts all users of vreg.c on 7x30 to use the regulator API.
vreg.c should now be considered DEPRECATED on 7x30.

Change-Id: Iae2a7e25810d17194bf231d9942378668a3ecb2e
Signed-off-by: Justin Paupore <jpaupore@codeaurora.org>
Signed-off-by: Pankaj Kumar <pakuma@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index eda29cd..d73f612 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -37,6 +37,7 @@
 #include <linux/input/cy8c_ts.h>
 #include <linux/msm_adc.h>
 #include <linux/dma-mapping.h>
+#include <linux/regulator/consumer.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -331,56 +332,43 @@
 };
 
 static struct kobject *properties_kobj;
+static struct regulator_bulk_data cyttsp_regs[] = {
+	{ .supply = "ldo8",  .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "ldo15", .min_uV = 3050000, .max_uV = 3100000 },
+};
 
 #define CYTTSP_TS_GPIO_IRQ	150
 static int cyttsp_platform_init(struct i2c_client *client)
 {
 	int rc = -EINVAL;
-	struct vreg *vreg_ldo8, *vreg_ldo15;
 
-	vreg_ldo8 = vreg_get(NULL, "gp7");
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(cyttsp_regs), cyttsp_regs);
 
-	if (!vreg_ldo8) {
-		pr_err("%s: VREG L8 get failed\n", __func__);
-		return rc;
-	}
-
-	rc = vreg_set_level(vreg_ldo8, 1800);
 	if (rc) {
-		pr_err("%s: VREG L8 set failed\n", __func__);
-		goto l8_put;
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto out;
 	}
 
-	rc = vreg_enable(vreg_ldo8);
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(cyttsp_regs), cyttsp_regs);
+
 	if (rc) {
-		pr_err("%s: VREG L8 enable failed\n", __func__);
-		goto l8_put;
+		pr_err("%s: could not set regulator voltages: %d\n", __func__,
+				rc);
+		goto regs_free;
 	}
 
-	vreg_ldo15 = vreg_get(NULL, "gp6");
+	rc = regulator_bulk_enable(ARRAY_SIZE(cyttsp_regs), cyttsp_regs);
 
-	if (!vreg_ldo15) {
-		pr_err("%s: VREG L15 get failed\n", __func__);
-		goto l8_disable;
-	}
-
-	rc = vreg_set_level(vreg_ldo15, 3050);
 	if (rc) {
-		pr_err("%s: VREG L15 set failed\n", __func__);
-		goto l8_disable;
-	}
-
-	rc = vreg_enable(vreg_ldo15);
-	if (rc) {
-		pr_err("%s: VREG L15 enable failed\n", __func__);
-		goto l8_disable;
+		pr_err("%s: could not enable regulators: %d\n", __func__, rc);
+		goto regs_free;
 	}
 
 	/* check this device active by reading first byte/register */
 	rc = i2c_smbus_read_byte_data(client, 0x01);
 	if (rc < 0) {
 		pr_err("%s: i2c sanity check failed\n", __func__);
-		goto l8_disable;
+		goto regs_disable;
 	}
 
 	rc = gpio_tlmm_config(GPIO_CFG(CYTTSP_TS_GPIO_IRQ, 0, GPIO_CFG_INPUT,
@@ -388,7 +376,7 @@
 	if (rc) {
 		pr_err("%s: Could not configure gpio %d\n",
 					 __func__, CYTTSP_TS_GPIO_IRQ);
-		goto l8_disable;
+		goto regs_disable;
 	}
 
 	/* virtual keys */
@@ -404,10 +392,11 @@
 
 	return CY_OK;
 
-l8_disable:
-	vreg_disable(vreg_ldo8);
-l8_put:
-	vreg_put(vreg_ldo8);
+regs_disable:
+	regulator_bulk_disable(ARRAY_SIZE(cyttsp_regs), cyttsp_regs);
+regs_free:
+	regulator_bulk_free(ARRAY_SIZE(cyttsp_regs), cyttsp_regs);
+out:
 	return rc;
 }
 
@@ -1371,58 +1360,54 @@
 	pr_info("%s: power off amplifier\n", __func__);
 }
 
-static struct vreg *snddev_vreg_ncp, *snddev_vreg_gp4;
+static struct regulator_bulk_data snddev_regs[] = {
+	{ .supply = "gp4", .min_uV = 2600000, .max_uV = 2600000 },
+	{ .supply = "ncp", .min_uV = 1800000, .max_uV = 1800000 },
+};
 
-void msm_snddev_hsed_voltage_on(void)
+static int __init snddev_hsed_voltage_init(void)
 {
 	int rc;
 
-	snddev_vreg_gp4 = vreg_get(NULL, "gp4");
-	if (IS_ERR(snddev_vreg_gp4)) {
-		pr_err("%s: vreg_get(%s) failed (%ld)\n",
-		__func__, "gp4", PTR_ERR(snddev_vreg_gp4));
-		return;
-	}
-	rc = vreg_enable(snddev_vreg_gp4);
-	if (rc)
-		pr_err("%s: vreg_enable(gp4) failed (%d)\n", __func__, rc);
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(snddev_regs), snddev_regs);
 
-	snddev_vreg_ncp = vreg_get(NULL, "ncp");
-	if (IS_ERR(snddev_vreg_ncp)) {
-		pr_err("%s: vreg_get(%s) failed (%ld)\n",
-		__func__, "ncp", PTR_ERR(snddev_vreg_ncp));
-		return;
+	if (rc) {
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto out;
 	}
-	rc = vreg_enable(snddev_vreg_ncp);
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(snddev_regs), snddev_regs);
+
+	if (rc) {
+		pr_err("%s: could not set regulator voltages: %d\n",
+				__func__, rc);
+		goto regs_free;
+	}
+
+	return 0;
+
+regs_free:
+	regulator_bulk_free(ARRAY_SIZE(snddev_regs), snddev_regs);
+out:
+	return rc;
+}
+
+
+void msm_snddev_hsed_voltage_on(void)
+{
+	int rc = regulator_bulk_enable(ARRAY_SIZE(snddev_regs), snddev_regs);
+
 	if (rc)
-		pr_err("%s: vreg_enable(ncp) failed (%d)\n", __func__, rc);
+		pr_err("%s: could not enable regulators: %d\n", __func__, rc);
 }
 
 void msm_snddev_hsed_voltage_off(void)
 {
-	int rc;
+	int rc = regulator_bulk_disable(ARRAY_SIZE(snddev_regs), snddev_regs);
 
-	if (IS_ERR(snddev_vreg_ncp)) {
-		pr_err("%s: vreg_get(%s) failed (%ld)\n",
-		__func__, "ncp", PTR_ERR(snddev_vreg_ncp));
-		return;
+	if (rc) {
+		pr_err("%s: could not disable regulators: %d\n", __func__, rc);
 	}
-	rc = vreg_disable(snddev_vreg_ncp);
-	if (rc)
-		pr_err("%s: vreg_disable(ncp) failed (%d)\n", __func__, rc);
-	vreg_put(snddev_vreg_ncp);
-
-	if (IS_ERR(snddev_vreg_gp4)) {
-		pr_err("%s: vreg_get(%s) failed (%ld)\n",
-		__func__, "gp4", PTR_ERR(snddev_vreg_gp4));
-		return;
-	}
-	rc = vreg_disable(snddev_vreg_gp4);
-	if (rc)
-		pr_err("%s: vreg_disable(gp4) failed (%d)\n", __func__, rc);
-
-	vreg_put(snddev_vreg_gp4);
-
 }
 
 static unsigned aux_pcm_gpio_on[] = {
@@ -1605,10 +1590,9 @@
 	VER_UNSUPPORTED = 0xFF
 };
 
-
-static struct vreg *vreg_marimba_1;
-static struct vreg *vreg_marimba_2;
-static struct vreg *vreg_marimba_3;
+static struct regulator *vreg_marimba_1;
+static struct regulator *vreg_marimba_2;
+static struct regulator *vreg_bahama;
 
 static struct msm_gpio timpani_reset_gpio_cfg[] = {
 { GPIO_CFG(TIMPANI_RESET_GPIO, 0, GPIO_CFG_OUTPUT,
@@ -1666,34 +1650,33 @@
 	if (rc < 0)
 		goto out;
 
-	rc = vreg_enable(vreg_marimba_1);
+	rc = regulator_enable(vreg_marimba_1);
 	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d\n",
-					__func__, rc);
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
 		goto out;
 	}
-	rc = vreg_enable(vreg_marimba_2);
+
+	rc = regulator_enable(vreg_marimba_2);
 	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d\n",
-					__func__, rc);
-		goto fail_disable_vreg_marimba_1;
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
+		goto disable_marimba_1;
 	}
 
 	rc = gpio_direction_output(TIMPANI_RESET_GPIO, 1);
 	if (rc < 0) {
-		printk(KERN_ERR
-			"%s: gpio_direction_output failed (%d)\n",
+		pr_err("%s: gpio_direction_output failed (%d)\n",
 				__func__, rc);
 		msm_gpios_free(timpani_reset_gpio_cfg,
 				ARRAY_SIZE(timpani_reset_gpio_cfg));
-		vreg_disable(vreg_marimba_2);
-	} else
-		goto out;
+		goto disable_marimba_2;
+	}
 
+	return 0;
 
-fail_disable_vreg_marimba_1:
-	vreg_disable(vreg_marimba_1);
-
+disable_marimba_2:
+	regulator_disable(vreg_marimba_2);
+disable_marimba_1:
+	regulator_disable(vreg_marimba_1);
 out:
 	return rc;
 };
@@ -1702,23 +1685,18 @@
 {
 	int rc;
 
-	rc = vreg_disable(vreg_marimba_1);
-	if (rc) {
-		printk(KERN_ERR "%s: return val: %d\n",
-					__func__, rc);
-	}
-	rc = vreg_disable(vreg_marimba_2);
-	if (rc) {
-		printk(KERN_ERR "%s: return val: %d\n",
-					__func__, rc);
-	}
+	rc = regulator_disable(vreg_marimba_2);
+	if (rc)
+		pr_err("%s: regulator_disable failed (%d)\n", __func__, rc);
+
+	rc = regulator_disable(vreg_marimba_1);
+	if (rc)
+		pr_err("%s: regulator_disable failed (%d)\n", __func__, rc);
 
 	rc = gpio_direction_output(TIMPANI_RESET_GPIO, 0);
-	if (rc < 0) {
-		printk(KERN_ERR
-			"%s: gpio_direction_output failed (%d)\n",
+	if (rc < 0)
+		pr_err("%s: gpio_direction_output failed (%d)\n",
 				__func__, rc);
-	}
 
 	msm_gpios_free(timpani_reset_gpio_cfg,
 				   ARRAY_SIZE(timpani_reset_gpio_cfg));
@@ -1767,13 +1745,10 @@
 
 static unsigned int msm_bahama_setup_power(void)
 {
-	int rc;
+	int rc = regulator_enable(vreg_bahama);
 
-	rc = vreg_enable(vreg_marimba_3);
-	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d\n",
-				__func__, rc);
-	}
+	if (rc)
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
 
 	return rc;
 };
@@ -1783,11 +1758,11 @@
 	int rc = 0;
 
 	if (value != BAHAMA_ID) {
-		rc = vreg_disable(vreg_marimba_3);
-		if (rc) {
-			printk(KERN_ERR "%s: return val: %d\n",
+		rc = regulator_disable(vreg_bahama);
+
+		if (rc)
+			pr_err("%s: regulator_disable failed (%d)\n",
 					__func__, rc);
-		}
 	}
 
 	return rc;
@@ -1817,39 +1792,42 @@
 {
 	int rc;
 
-	rc = vreg_enable(vreg_marimba_1);
+	rc = regulator_enable(vreg_marimba_1);
 	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d \n",
-					__func__, rc);
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
 		goto out;
 	}
-	rc = vreg_enable(vreg_marimba_2);
+
+	rc = regulator_enable(vreg_marimba_2);
 	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d \n",
-					__func__, rc);
-		goto out;
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
+		goto disable_marimba_1;
 	}
 
 	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa()) {
 		rc = msm_gpios_request_enable(marimba_svlte_config_clock,
 				ARRAY_SIZE(marimba_svlte_config_clock));
 		if (rc < 0) {
-			printk(KERN_ERR
-				"%s: msm_gpios_request_enable failed (%d)\n",
+			pr_err("%s: msm_gpios_request_enable failed (%d)\n",
 					__func__, rc);
-			return rc;
+			goto disable_marimba_2;
 		}
 
 		rc = gpio_direction_output(GPIO_PIN
 			(marimba_svlte_config_clock->gpio_cfg), 0);
 		if (rc < 0) {
-			printk(KERN_ERR
-				"%s: gpio_direction_output failed (%d)\n",
+			pr_err("%s: gpio_direction_output failed (%d)\n",
 					__func__, rc);
-			return rc;
+			goto disable_marimba_2;
 		}
 	}
 
+	return 0;
+
+disable_marimba_2:
+	regulator_disable(vreg_marimba_2);
+disable_marimba_1:
+	regulator_disable(vreg_marimba_1);
 out:
 	return rc;
 };
@@ -1858,16 +1836,13 @@
 {
 	int rc;
 
-	rc = vreg_disable(vreg_marimba_1);
-	if (rc) {
-		printk(KERN_ERR "%s: return val: %d\n",
-					__func__, rc);
-	}
-	rc = vreg_disable(vreg_marimba_2);
-	if (rc) {
-		printk(KERN_ERR "%s: return val: %d \n",
-					__func__, rc);
-	}
+	rc = regulator_disable(vreg_marimba_2);
+	if (rc)
+		pr_err("%s: regulator_disable failed (%d)\n", __func__, rc);
+
+	rc = regulator_disable(vreg_marimba_1);
+	if (rc)
+		pr_err("%s: regulator_disable failed (%d)\n", __func__, rc);
 };
 
 static int bahama_present(void)
@@ -1888,81 +1863,89 @@
 	}
 }
 
-struct vreg *fm_regulator;
+struct regulator *fm_regulator;
 static int fm_radio_setup(struct marimba_fm_platform_data *pdata)
 {
-	int rc;
+	int rc, voltage;
 	uint32_t irqcfg;
 	const char *id = "FMPW";
 
 	int bahama_not_marimba = bahama_present();
 
-	if (bahama_not_marimba == -1) {
-		printk(KERN_WARNING "%s: bahama_present: %d\n",
+	if (bahama_not_marimba < 0) {
+		pr_warn("%s: bahama_present: %d\n",
 				__func__, bahama_not_marimba);
-		return -ENODEV;
+		rc = -ENODEV;
+		goto out;
 	}
-	if (bahama_not_marimba)
-		fm_regulator = vreg_get(NULL, "s3");
-	else
-		fm_regulator = vreg_get(NULL, "s2");
+	if (bahama_not_marimba) {
+		fm_regulator = regulator_get(NULL, "s3");
+		voltage = 1800000;
+	} else {
+		fm_regulator = regulator_get(NULL, "s2");
+		voltage = 1300000;
+	}
 
 	if (IS_ERR(fm_regulator)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-			__func__, PTR_ERR(fm_regulator));
-		return -1;
+		rc = PTR_ERR(fm_regulator);
+		pr_err("%s: regulator_get failed (%d)\n", __func__, rc);
+		goto out;
 	}
-	if (!bahama_not_marimba) {
 
-		rc = pmapp_vreg_level_vote(id, PMAPP_VREG_S2, 1300);
+	rc = regulator_set_voltage(fm_regulator, voltage, voltage);
 
-		if (rc < 0) {
-			printk(KERN_ERR "%s: voltage level vote failed (%d)\n",
-				__func__, rc);
-			return rc;
-		}
-	}
-	rc = vreg_enable(fm_regulator);
 	if (rc) {
-		printk(KERN_ERR "%s: vreg_enable() = %d\n",
-					__func__, rc);
-		return rc;
+		pr_err("%s: regulator_set_voltage failed (%d)\n", __func__, rc);
+		goto regulator_free;
 	}
 
-	rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO,
-					  PMAPP_CLOCK_VOTE_ON);
-	if (rc < 0) {
-		printk(KERN_ERR "%s: clock vote failed (%d)\n",
-			__func__, rc);
-		goto fm_clock_vote_fail;
+	rc = regulator_enable(fm_regulator);
+
+	if (rc) {
+		pr_err("%s: regulator_enable failed (%d)\n", __func__, rc);
+		goto regulator_free;
 	}
+
+	rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO, PMAPP_CLOCK_VOTE_ON);
+
+	if (rc < 0) {
+		pr_err("%s: clock vote failed (%d)\n", __func__, rc);
+		goto regulator_disable;
+	}
+
 	/*Request the Clock Using GPIO34/AP2MDM_MRMBCK_EN in case
 	of svlte*/
-	if (machine_is_msm8x55_svlte_surf() ||
-			machine_is_msm8x55_svlte_ffa())	{
+	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa()) {
 		rc = marimba_gpio_config(1);
-		if (rc < 0)
-			printk(KERN_ERR "%s: clock enable for svlte : %d\n",
-						__func__, rc);
+		if (rc < 0) {
+			pr_err("%s: clock enable for svlte : %d\n",
+					__func__, rc);
+			goto clock_devote;
+		}
 	}
 	irqcfg = GPIO_CFG(147, 0, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL,
 					GPIO_CFG_2MA);
 	rc = gpio_tlmm_config(irqcfg, GPIO_CFG_ENABLE);
 	if (rc) {
-		printk(KERN_ERR "%s: gpio_tlmm_config(%#x)=%d\n",
-				__func__, irqcfg, rc);
+		pr_err("%s: gpio_tlmm_config(%#x)=%d\n", __func__, irqcfg, rc);
 		rc = -EIO;
-		goto fm_gpio_config_fail;
+		goto gpio_deconfig;
 
 	}
 	return 0;
-fm_gpio_config_fail:
-	pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO,
-				  PMAPP_CLOCK_VOTE_OFF);
-fm_clock_vote_fail:
-	vreg_disable(fm_regulator);
-	return rc;
 
+gpio_deconfig:
+	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa())
+		marimba_gpio_config(0);
+clock_devote:
+	pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO, PMAPP_CLOCK_VOTE_OFF);
+regulator_disable:
+	regulator_disable(fm_regulator);
+regulator_free:
+	regulator_put(fm_regulator);
+	fm_regulator = NULL;
+out:
+	return rc;
 };
 
 static void fm_radio_shutdown(struct marimba_fm_platform_data *pdata)
@@ -1974,48 +1957,36 @@
 
 	int bahama_not_marimba = bahama_present();
 	if (bahama_not_marimba == -1) {
-		printk(KERN_WARNING "%s: bahama_present: %d\n",
-			__func__, bahama_not_marimba);
+		pr_warn("%s: bahama_present: %d\n",
+				__func__, bahama_not_marimba);
 		return;
 	}
 
 	rc = gpio_tlmm_config(irqcfg, GPIO_CFG_ENABLE);
 	if (rc) {
-		printk(KERN_ERR "%s: gpio_tlmm_config(%#x)=%d\n",
-				__func__, irqcfg, rc);
+		pr_err("%s: gpio_tlmm_config(%#x)=%d\n", __func__, irqcfg, rc);
 	}
-	if (fm_regulator != NULL) {
-		rc = vreg_disable(fm_regulator);
+	if (!IS_ERR_OR_NULL(fm_regulator)) {
+		rc = regulator_disable(fm_regulator);
 
-		if (rc) {
-			printk(KERN_ERR "%s: return val: %d\n",
-					__func__, rc);
-		}
+		if (rc)
+			pr_err("%s: return val: %d\n", __func__, rc);
+
+		regulator_put(fm_regulator);
 		fm_regulator = NULL;
 	}
 	rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO,
 					  PMAPP_CLOCK_VOTE_OFF);
 	if (rc < 0)
-		printk(KERN_ERR "%s: clock_vote return val: %d\n",
-						__func__, rc);
+		pr_err("%s: clock_vote return val: %d\n", __func__, rc);
 
 	/*Disable the Clock Using GPIO34/AP2MDM_MRMBCK_EN in case
 	of svlte*/
-	if (machine_is_msm8x55_svlte_surf() ||
-			machine_is_msm8x55_svlte_ffa())	{
+	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa()) {
 		rc = marimba_gpio_config(0);
 		if (rc < 0)
-			printk(KERN_ERR "%s: clock disable for svlte : %d\n",
-						__func__, rc);
-	}
-
-
-	if (!bahama_not_marimba)	{
-		rc = pmapp_vreg_level_vote(id, PMAPP_VREG_S2, 0);
-
-		if (rc < 0)
-			printk(KERN_ERR "%s: vreg level vote return val: %d\n",
-						__func__, rc);
+			pr_err("%s: clock disable for svlte : %d\n",
+					__func__, rc);
 	}
 }
 
@@ -2042,82 +2013,60 @@
 #define BAHAMA_SLAVE_ID_QMEMBIST_ADDR   0x7B
 
 static const char *tsadc_id = "MADC";
-static const char *vregs_tsadc_name[] = {
-	"gp12",
-	"s2",
-};
-static struct vreg *vregs_tsadc[ARRAY_SIZE(vregs_tsadc_name)];
 
-static const char *vregs_timpani_tsadc_name[] = {
-	"s3",
-	"gp12",
-	"gp16"
+static struct regulator_bulk_data regs_tsadc_marimba[] = {
+	{ .supply = "gp12", .min_uV = 2200000, .max_uV = 2200000 },
+	{ .supply = "s2",   .min_uV = 1300000, .max_uV = 1300000 },
 };
-static struct vreg *vregs_timpani_tsadc[ARRAY_SIZE(vregs_timpani_tsadc_name)];
+
+static struct regulator_bulk_data regs_tsadc_timpani[] = {
+	{ .supply = "s3",   .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "gp12", .min_uV = 2200000, .max_uV = 2200000 },
+	{ .supply = "gp16", .min_uV = 1200000, .max_uV = 1200000 },
+};
+
+static struct regulator_bulk_data *regs_tsadc;
+static int regs_tsadc_count;
 
 static int marimba_tsadc_power(int vreg_on)
 {
-	int i, rc = 0;
+	int rc = 0;
 	int tsadc_adie_type = adie_get_detected_codec_type();
 
-	if (tsadc_adie_type == TIMPANI_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_timpani_tsadc_name); i++) {
-			if (!vregs_timpani_tsadc[i]) {
-				pr_err("%s: vreg_get %s failed(%d)\n",
-				__func__, vregs_timpani_tsadc_name[i], rc);
-				goto vreg_fail;
-			}
-
-			rc = vreg_on ? vreg_enable(vregs_timpani_tsadc[i]) :
-				  vreg_disable(vregs_timpani_tsadc[i]);
-			if (rc < 0) {
-				pr_err("%s: vreg %s %s failed(%d)\n",
-					__func__, vregs_timpani_tsadc_name[i],
-				       vreg_on ? "enable" : "disable", rc);
-				goto vreg_fail;
-			}
-		}
-		/* Vote for D0 and D1 buffer */
+	switch (tsadc_adie_type) {
+	case TIMPANI_ID:
 		rc = pmapp_clock_vote(tsadc_id, PMAPP_CLOCK_ID_D1,
 			vreg_on ? PMAPP_CLOCK_VOTE_ON : PMAPP_CLOCK_VOTE_OFF);
 		if (rc)	{
 			pr_err("%s: unable to %svote for d1 clk\n",
 				__func__, vreg_on ? "" : "de-");
-			goto do_vote_fail;
+			goto D1_vote_fail;
 		}
+
+		/* fall through */
+	case MARIMBA_ID:
 		rc = pmapp_clock_vote(tsadc_id, PMAPP_CLOCK_ID_DO,
 			vreg_on ? PMAPP_CLOCK_VOTE_ON : PMAPP_CLOCK_VOTE_OFF);
 		if (rc)	{
 			pr_err("%s: unable to %svote for d1 clk\n",
 				__func__, vreg_on ? "" : "de-");
-			goto do_vote_fail;
+			goto D0_vote_fail;
 		}
-	} else if (tsadc_adie_type == MARIMBA_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_tsadc_name); i++) {
-			if (!vregs_tsadc[i]) {
-				pr_err("%s: vreg_get %s failed (%d)\n",
-					__func__, vregs_tsadc_name[i], rc);
-				goto vreg_fail;
-			}
 
-			rc = vreg_on ? vreg_enable(vregs_tsadc[i]) :
-				  vreg_disable(vregs_tsadc[i]);
-			if (rc < 0) {
-				pr_err("%s: vreg %s %s failed (%d)\n",
-					__func__, vregs_tsadc_name[i],
-				       vreg_on ? "enable" : "disable", rc);
-				goto vreg_fail;
-			}
+		WARN_ON(regs_tsadc_count == 0);
+
+		rc = vreg_on ?
+			regulator_bulk_enable(regs_tsadc_count, regs_tsadc) :
+			regulator_bulk_disable(regs_tsadc_count, regs_tsadc);
+
+		if (rc) {
+			pr_err("%s: regulator %sable failed: %d\n",
+					__func__, vreg_on ? "en" : "dis", rc);
+			goto regulator_switch_fail;
 		}
-		/* If marimba vote for DO buffer */
-		rc = pmapp_clock_vote(tsadc_id, PMAPP_CLOCK_ID_DO,
-			vreg_on ? PMAPP_CLOCK_VOTE_ON : PMAPP_CLOCK_VOTE_OFF);
-		if (rc)	{
-			pr_err("%s: unable to %svote for d0 clk\n",
-				__func__, vreg_on ? "" : "de-");
-			goto do_vote_fail;
-		}
-	} else {
+
+		break;
+	default:
 		pr_err("%s:Adie %d not supported\n",
 				__func__, tsadc_adie_type);
 		return -ENODEV;
@@ -2127,112 +2076,69 @@
 
 	return 0;
 
-do_vote_fail:
-vreg_fail:
-	while (i) {
-		if (vreg_on) {
-			if (tsadc_adie_type == TIMPANI_ID)
-				vreg_disable(vregs_timpani_tsadc[--i]);
-			else if (tsadc_adie_type == MARIMBA_ID)
-				vreg_disable(vregs_tsadc[--i]);
-		} else {
-			if (tsadc_adie_type == TIMPANI_ID)
-				vreg_enable(vregs_timpani_tsadc[--i]);
-			else if (tsadc_adie_type == MARIMBA_ID)
-				vreg_enable(vregs_tsadc[--i]);
-		}
-	}
-
-	return rc;
-}
-
-static int marimba_tsadc_vote(int vote_on)
-{
-	int rc = 0;
-
-	if (adie_get_detected_codec_type() == MARIMBA_ID) {
-		int level = vote_on ? 1300 : 0;
-		rc = pmapp_vreg_level_vote(tsadc_id, PMAPP_VREG_S2, level);
-		if (rc < 0)
-			pr_err("%s: vreg level %s failed (%d)\n",
-			__func__, vote_on ? "on" : "off", rc);
-	}
-
+regulator_switch_fail:
+	pmapp_clock_vote(tsadc_id, PMAPP_CLOCK_ID_DO,
+		vreg_on ? PMAPP_CLOCK_VOTE_OFF : PMAPP_CLOCK_VOTE_ON);
+D0_vote_fail:
+	if (tsadc_adie_type == TIMPANI_ID)
+		pmapp_clock_vote(tsadc_id, PMAPP_CLOCK_ID_D1,
+			vreg_on ? PMAPP_CLOCK_VOTE_OFF : PMAPP_CLOCK_VOTE_ON);
+D1_vote_fail:
 	return rc;
 }
 
 static int marimba_tsadc_init(void)
 {
-	int i, rc = 0;
+	int rc = 0;
 	int tsadc_adie_type = adie_get_detected_codec_type();
 
-	if (tsadc_adie_type == TIMPANI_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_timpani_tsadc_name); i++) {
-			vregs_timpani_tsadc[i] = vreg_get(NULL,
-						vregs_timpani_tsadc_name[i]);
-			if (IS_ERR(vregs_timpani_tsadc[i])) {
-				pr_err("%s: vreg get %s failed (%ld)\n",
-				       __func__, vregs_timpani_tsadc_name[i],
-				       PTR_ERR(vregs_timpani_tsadc[i]));
-				rc = PTR_ERR(vregs_timpani_tsadc[i]);
-				goto vreg_get_fail;
-			}
-		}
-	} else if (tsadc_adie_type == MARIMBA_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_tsadc_name); i++) {
-			vregs_tsadc[i] = vreg_get(NULL, vregs_tsadc_name[i]);
-			if (IS_ERR(vregs_tsadc[i])) {
-				pr_err("%s: vreg get %s failed (%ld)\n",
-				       __func__, vregs_tsadc_name[i],
-				       PTR_ERR(vregs_tsadc[i]));
-				rc = PTR_ERR(vregs_tsadc[i]);
-				goto vreg_get_fail;
-			}
-		}
-	} else {
+	switch (tsadc_adie_type) {
+	case MARIMBA_ID:
+		regs_tsadc = regs_tsadc_marimba;
+		regs_tsadc_count = ARRAY_SIZE(regs_tsadc_marimba);
+		break;
+	case TIMPANI_ID:
+		regs_tsadc = regs_tsadc_timpani;
+		regs_tsadc_count = ARRAY_SIZE(regs_tsadc_timpani);
+		break;
+	default:
 		pr_err("%s:Adie %d not supported\n",
 				__func__, tsadc_adie_type);
-		return -ENODEV;
+		rc = -ENODEV;
+		goto out;
+	}
+
+	rc = regulator_bulk_get(NULL, regs_tsadc_count, regs_tsadc);
+	if (rc) {
+		pr_err("%s: could not get regulators: %d\n",
+				__func__, rc);
+		goto out;
+	}
+
+	rc = regulator_bulk_set_voltage(regs_tsadc_count, regs_tsadc);
+	if (rc) {
+		pr_err("%s: could not set regulator voltages: %d\n",
+				__func__, rc);
+		goto vreg_free;
 	}
 
 	return 0;
 
-vreg_get_fail:
-	while (i) {
-		if (tsadc_adie_type == TIMPANI_ID)
-			vreg_put(vregs_timpani_tsadc[--i]);
-		else if (tsadc_adie_type == MARIMBA_ID)
-			vreg_put(vregs_tsadc[--i]);
-	}
+vreg_free:
+	regulator_bulk_free(regs_tsadc_count, regs_tsadc);
+out:
+	regs_tsadc = NULL;
+	regs_tsadc_count = 0;
 	return rc;
 }
 
 static int marimba_tsadc_exit(void)
 {
-	int i, rc = 0;
-	int tsadc_adie_type = adie_get_detected_codec_type();
+	regulator_bulk_free(regs_tsadc_count, regs_tsadc);
+	regs_tsadc_count = 0;
+	regs_tsadc = NULL;
 
-	if (tsadc_adie_type == TIMPANI_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_timpani_tsadc_name); i++) {
-			if (vregs_tsadc[i])
-				vreg_put(vregs_timpani_tsadc[i]);
-		}
-	} else if (tsadc_adie_type == MARIMBA_ID) {
-		for (i = 0; i < ARRAY_SIZE(vregs_tsadc_name); i++) {
-			if (vregs_tsadc[i])
-				vreg_put(vregs_tsadc[i]);
-		}
-		rc = pmapp_vreg_level_vote(tsadc_id, PMAPP_VREG_S2, 0);
-		if (rc < 0)
-			pr_err("%s: vreg level off failed (%d)\n",
-						__func__, rc);
-	} else {
-		pr_err("%s:Adie %d not supported\n",
-				__func__, tsadc_adie_type);
-		rc = -ENODEV;
-	}
-
-	return rc;
+	return 0;
 }
 
 
@@ -2252,7 +2158,6 @@
 	.marimba_tsadc_power =  marimba_tsadc_power,
 	.init		     =  marimba_tsadc_init,
 	.exit		     =  marimba_tsadc_exit,
-	.level_vote	     =  marimba_tsadc_vote,
 	.tsadc_prechg_en = true,
 	.can_wakeup	= false,
 	.setup = {
@@ -2271,39 +2176,47 @@
 	.tssc_data = &msm_ts_data,
 };
 
-static struct vreg *vreg_codec_s4;
+static struct regulator_bulk_data codec_regs[] = {
+	{ .supply = "s4", .min_uV = 2200000, .max_uV = 2200000 },
+};
+
+static int __init msm_marimba_codec_init(void)
+{
+	int rc = regulator_bulk_get(NULL, ARRAY_SIZE(codec_regs), codec_regs);
+
+	if (rc) {
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto out;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(codec_regs), codec_regs);
+	if (rc) {
+		pr_err("%s: could not set regulator voltages: %d\n",
+				__func__, rc);
+		goto reg_free;
+	}
+
+	return rc;
+
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(codec_regs), codec_regs);
+out:
+	return rc;
+}
+
 static int msm_marimba_codec_power(int vreg_on)
 {
-	int rc = 0;
+	int rc = vreg_on ?
+		regulator_bulk_enable(ARRAY_SIZE(codec_regs), codec_regs) :
+		regulator_bulk_disable(ARRAY_SIZE(codec_regs), codec_regs);
 
-	if (!vreg_codec_s4) {
-
-		vreg_codec_s4 = vreg_get(NULL, "s4");
-
-		if (IS_ERR(vreg_codec_s4)) {
-			printk(KERN_ERR "%s: vreg_get() failed (%ld)\n",
-				__func__, PTR_ERR(vreg_codec_s4));
-			rc = PTR_ERR(vreg_codec_s4);
-			goto  vreg_codec_s4_fail;
-		}
+	if (rc) {
+		pr_err("%s: could not %sable regulators: %d",
+				__func__, vreg_on ? "en" : "dis", rc);
+		return rc;
 	}
 
-	if (vreg_on) {
-		rc = vreg_enable(vreg_codec_s4);
-		if (rc)
-			printk(KERN_ERR "%s: vreg_enable() = %d \n",
-					__func__, rc);
-		goto vreg_codec_s4_fail;
-	} else {
-		rc = vreg_disable(vreg_codec_s4);
-		if (rc)
-			printk(KERN_ERR "%s: vreg_disable() = %d \n",
-					__func__, rc);
-		goto vreg_codec_s4_fail;
-	}
-
-vreg_codec_s4_fail:
-	return rc;
+	return 0;
 }
 
 static struct marimba_codec_platform_data mariba_codec_pdata = {
@@ -2334,29 +2247,38 @@
 {
 	int rc;
 
-	vreg_marimba_1 = vreg_get(NULL, "s3");
-	if (IS_ERR(vreg_marimba_1)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-			__func__, PTR_ERR(vreg_marimba_1));
-		return;
-	}
-	rc = vreg_set_level(vreg_marimba_1, 1800);
+	struct regulator_bulk_data regs[] = {
+		{ .supply = "s3",   .min_uV = 1800000, .max_uV = 1800000 },
+		{ .supply = "gp16", .min_uV = 1200000, .max_uV = 1200000 },
+		{ .supply = "usb2", .min_uV = 1800000, .max_uV = 1800000 },
+	};
 
-	vreg_marimba_2 = vreg_get(NULL, "gp16");
-	if (IS_ERR(vreg_marimba_1)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-			__func__, PTR_ERR(vreg_marimba_1));
-		return;
-	}
-	rc = vreg_set_level(vreg_marimba_2, 1200);
+	rc = msm_marimba_codec_init();
 
-	vreg_marimba_3 = vreg_get(NULL, "usb2");
-	if (IS_ERR(vreg_marimba_3)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-			__func__, PTR_ERR(vreg_marimba_3));
+	if (rc) {
+		pr_err("%s: msm_marimba_codec_init failed (%d)\n",
+				__func__, rc);
 		return;
 	}
-	rc = vreg_set_level(vreg_marimba_3, 1800);
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs), regs);
+
+	if (rc) {
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		return;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs), regs);
+
+	if (rc) {
+		pr_err("%s: could not set voltages: %d\n", __func__, rc);
+		regulator_bulk_free(ARRAY_SIZE(regs), regs);
+		return;
+	}
+
+	vreg_marimba_1 = regs[0].consumer;
+	vreg_marimba_2 = regs[1].consumer;
+	vreg_bahama    = regs[2].consumer;
 }
 
 static struct marimba_codec_platform_data timpani_codec_pdata = {
@@ -2748,6 +2670,13 @@
 	"optnav_chip_select" },
 };
 
+static struct regulator_bulk_data optnav_regulators[] = {
+	{ .supply = "gp7", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "gp4", .min_uV = 2600000, .max_uV = 2600000 },
+	{ .supply = "gp9", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "usb", .min_uV = 3300000, .max_uV = 3300000 },
+};
+
 static void __iomem *virtual_optnav;
 
 static int optnav_gpio_setup(void)
@@ -2756,6 +2685,9 @@
 	rc = msm_gpios_request_enable(optnav_config_data,
 			ARRAY_SIZE(optnav_config_data));
 
+	if (rc)
+		return rc;
+
 	/* Configure the FPGA for GPIOs */
 	virtual_optnav = ioremap(FPGA_OPTNAV_GPIO_ADDR, 0x4);
 	if (!virtual_optnav) {
@@ -2767,6 +2699,22 @@
 	 * normal, active(enabled), output(MSM to SURF)
 	 */
 	writew(0x311E, virtual_optnav);
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(optnav_regulators),
+			optnav_regulators);
+	if (rc)
+		return rc;
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(optnav_regulators),
+			optnav_regulators);
+
+	if (rc)
+		goto regulator_put;
+
+	return rc;
+
+regulator_put:
+	regulator_bulk_free(ARRAY_SIZE(optnav_regulators), optnav_regulators);
 	return rc;
 }
 
@@ -2775,13 +2723,9 @@
 	msm_gpios_disable_free(optnav_config_data,
 		ARRAY_SIZE(optnav_config_data));
 	iounmap(virtual_optnav);
+	regulator_bulk_free(ARRAY_SIZE(optnav_regulators), optnav_regulators);
 }
 
-static struct vreg *vreg_gp7;
-static struct vreg *vreg_gp4;
-static struct vreg *vreg_gp9;
-static struct vreg *vreg_usb3_3;
-
 static int optnav_enable(void)
 {
 	int rc;
@@ -2789,80 +2733,24 @@
 	 * Enable the VREGs L8(gp7), L10(gp4), L12(gp9), L6(usb)
 	 * for I2C communication with keyboard.
 	 */
-	vreg_gp7 = vreg_get(NULL, "gp7");
-	rc = vreg_set_level(vreg_gp7, 1800);
-	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_gp7;
-	}
 
-	rc = vreg_enable(vreg_gp7);
-	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_gp7;
-	}
+	rc = regulator_bulk_enable(ARRAY_SIZE(optnav_regulators),
+			optnav_regulators);
 
-	vreg_gp4 = vreg_get(NULL, "gp4");
-	rc = vreg_set_level(vreg_gp4, 2600);
-	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_gp4;
-	}
-
-	rc = vreg_enable(vreg_gp4);
-	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_gp4;
-	}
-
-	vreg_gp9 = vreg_get(NULL, "gp9");
-	rc = vreg_set_level(vreg_gp9, 1800);
-	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_gp9;
-	}
-
-	rc = vreg_enable(vreg_gp9);
-	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_gp9;
-	}
-
-	vreg_usb3_3 = vreg_get(NULL, "usb");
-	rc = vreg_set_level(vreg_usb3_3, 3300);
-	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_3_3;
-	}
-
-	rc = vreg_enable(vreg_usb3_3);
-	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_3_3;
-	}
+	if (rc)
+		return rc;
 
 	/* Enable the chip select GPIO */
 	gpio_set_value(OPTNAV_CHIP_SELECT, 1);
 	gpio_set_value(OPTNAV_CHIP_SELECT, 0);
 
 	return 0;
-
-fail_vreg_3_3:
-	vreg_disable(vreg_gp9);
-fail_vreg_gp9:
-	vreg_disable(vreg_gp4);
-fail_vreg_gp4:
-	vreg_disable(vreg_gp7);
-fail_vreg_gp7:
-	return rc;
 }
 
 static void optnav_disable(void)
 {
-	vreg_disable(vreg_usb3_3);
-	vreg_disable(vreg_gp9);
-	vreg_disable(vreg_gp4);
-	vreg_disable(vreg_gp7);
+	regulator_bulk_disable(ARRAY_SIZE(optnav_regulators),
+			optnav_regulators);
 
 	gpio_set_value(OPTNAV_CHIP_SELECT, 1);
 }
@@ -2907,74 +2795,61 @@
 };
 
 #ifdef CONFIG_BOSCH_BMA150
-static struct vreg *vreg_gp6;
-static int sensors_ldo_enable(void)
+
+static struct regulator_bulk_data sensors_ldo[] = {
+	{ .supply = "gp7", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "gp6", .min_uV = 3050000, .max_uV = 3100000 },
+};
+
+static int __init sensors_ldo_init(void)
 {
 	int rc;
 
-	/*
-	 * Enable the VREGs L8(gp7), L15(gp6)
-	 * for I2C communication with sensors.
-	 */
-	pr_info("sensors_ldo_enable called!!\n");
-	vreg_gp7 = vreg_get(NULL, "gp7");
-	if (IS_ERR(vreg_gp7)) {
-		pr_err("%s: vreg_get gp7 failed\n", __func__);
-		rc = PTR_ERR(vreg_gp7);
-		goto fail_gp7_get;
-	}
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(sensors_ldo), sensors_ldo);
 
-	rc = vreg_set_level(vreg_gp7, 1800);
 	if (rc) {
-		pr_err("%s: vreg_set_level gp7 failed\n", __func__);
-		goto fail_gp7_level;
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto out;
 	}
 
-	rc = vreg_enable(vreg_gp7);
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(sensors_ldo), sensors_ldo);
+
 	if (rc) {
-		pr_err("%s: vreg_enable gp7 failed\n", __func__);
-		goto fail_gp7_level;
-	}
-
-	vreg_gp6 = vreg_get(NULL, "gp6");
-	if (IS_ERR(vreg_gp6)) {
-		pr_err("%s: vreg_get gp6 failed\n", __func__);
-		rc = PTR_ERR(vreg_gp6);
-		goto fail_gp6_get;
-	}
-
-	rc = vreg_set_level(vreg_gp6, 3050);
-	if (rc) {
-		pr_err("%s: vreg_set_level gp6 failed\n", __func__);
-		goto fail_gp6_level;
-	}
-
-	rc = vreg_enable(vreg_gp6);
-	if (rc) {
-		pr_err("%s: vreg_enable gp6 failed\n", __func__);
-		goto fail_gp6_level;
+		pr_err("%s: could not set voltages: %d\n", __func__, rc);
+		goto reg_free;
 	}
 
 	return 0;
 
-fail_gp6_level:
-	vreg_put(vreg_gp6);
-fail_gp6_get:
-	vreg_disable(vreg_gp7);
-fail_gp7_level:
-	vreg_put(vreg_gp7);
-fail_gp7_get:
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(sensors_ldo), sensors_ldo);
+out:
 	return rc;
 }
 
+static int sensors_ldo_set(int on)
+{
+	int rc = on ?
+		regulator_bulk_enable(ARRAY_SIZE(sensors_ldo), sensors_ldo) :
+		regulator_bulk_disable(ARRAY_SIZE(sensors_ldo), sensors_ldo);
+
+	if (rc)
+		pr_err("%s: could not %sable regulators: %d\n",
+				__func__, on ? "en" : "dis", rc);
+
+	return rc;
+}
+
+static int sensors_ldo_enable(void)
+{
+	return sensors_ldo_set(1);
+}
+
 static void sensors_ldo_disable(void)
 {
-	pr_info("sensors_ldo_disable called!!\n");
-	vreg_disable(vreg_gp6);
-	vreg_put(vreg_gp6);
-	vreg_disable(vreg_gp7);
-	vreg_put(vreg_gp7);
+	sensors_ldo_set(0);
 }
+
 static struct bma150_platform_data bma150_data = {
 	.power_on = sensors_ldo_enable,
 	.power_off = sensors_ldo_disable,
@@ -3262,27 +3137,27 @@
 #endif
 
 #ifdef CONFIG_USB_MSM_OTG_72K
-static struct vreg *vreg_3p3;
+static struct regulator *vreg_3p3;
 static int msm_hsusb_ldo_init(int init)
 {
 	uint32_t version = 0;
-	int def_vol = 3400;
+	int def_vol = 3400000;
 
 	version = socinfo_get_version();
 
 	if (SOCINFO_VERSION_MAJOR(version) >= 2 &&
 			SOCINFO_VERSION_MINOR(version) >= 1) {
-		def_vol = 3075;
+		def_vol = 3075000;
 		pr_debug("%s: default voltage:%d\n", __func__, def_vol);
 	}
 
 	if (init) {
-		vreg_3p3 = vreg_get(NULL, "usb");
+		vreg_3p3 = regulator_get(NULL, "usb");
 		if (IS_ERR(vreg_3p3))
 			return PTR_ERR(vreg_3p3);
-		vreg_set_level(vreg_3p3, def_vol);
+		regulator_set_voltage(vreg_3p3, def_vol, def_vol);
 	} else
-		vreg_put(vreg_3p3);
+		regulator_put(vreg_3p3);
 
 	return 0;
 }
@@ -3300,14 +3175,14 @@
 	ldo_status = enable;
 
 	if (enable)
-		return vreg_enable(vreg_3p3);
-
-	return vreg_disable(vreg_3p3);
+		return regulator_enable(vreg_3p3);
+	else
+		return regulator_disable(vreg_3p3);
 }
 
 static int msm_hsusb_ldo_set_voltage(int mV)
 {
-	static int cur_voltage = 3400;
+	static int cur_voltage;
 
 	if (!vreg_3p3 || IS_ERR(vreg_3p3))
 		return -ENODEV;
@@ -3319,7 +3194,7 @@
 
 	pr_debug("%s: (%d)\n", __func__, mV);
 
-	return vreg_set_level(vreg_3p3, mV);
+	return regulator_set_voltage(vreg_3p3, mV*1000, mV*1000);
 }
 #endif
 
@@ -3500,35 +3375,163 @@
 	GPIO_CFG(37, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA);
 #endif
 
-static int gpio_set(const char *label, const char *name, int level, int on)
+static struct regulator_bulk_data hdmi_core_regs[] = {
+	{ .supply = "ldo8",  .min_uV = 1800000, .max_uV = 1800000 },
+};
+
+static struct regulator_bulk_data hdmi_comm_regs[] = {
+	{ .supply = "ldo8",  .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "ldo10", .min_uV = 2600000, .max_uV = 2600000 },
+};
+
+static struct regulator_bulk_data hdmi_cec_regs[] = {
+	{ .supply = "ldo17", .min_uV = 2600000, .max_uV = 2600000 },
+};
+
+static int __init hdmi_init_regs(void)
 {
-	struct vreg *vreg = vreg_get(NULL, label);
 	int rc;
 
-	if (IS_ERR(vreg)) {
-		rc = PTR_ERR(vreg);
-		pr_err("%s: vreg %s get failed (%d)\n",
-			__func__, name, rc);
-		return rc;
-	}
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(hdmi_core_regs),
+			hdmi_core_regs);
 
-	rc = vreg_set_level(vreg, level);
 	if (rc) {
-		pr_err("%s: vreg %s set level failed (%d)\n",
-			__func__, name, rc);
-		return rc;
+		pr_err("%s: could not get %s regulators: %d\n",
+				__func__, "core", rc);
+		goto out;
 	}
 
-	if (on)
-		rc = vreg_enable(vreg);
-	else
-		rc = vreg_disable(vreg);
-	if (rc)
-		pr_err("%s: vreg %s enable failed (%d)\n",
-			__func__, name, rc);
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(hdmi_core_regs),
+			hdmi_core_regs);
+
+	if (rc) {
+		pr_err("%s: could not set %s voltages: %d\n",
+				__func__, "core", rc);
+		goto free_core;
+	}
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(hdmi_comm_regs),
+			hdmi_comm_regs);
+
+	if (rc) {
+		pr_err("%s: could not get %s regulators: %d\n",
+				__func__, "comm", rc);
+		goto free_core;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(hdmi_comm_regs),
+			hdmi_comm_regs);
+
+	if (rc) {
+		pr_err("%s: could not set %s voltages: %d\n",
+				__func__, "comm", rc);
+		goto free_comm;
+	}
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(hdmi_cec_regs),
+			hdmi_cec_regs);
+
+	if (rc) {
+		pr_err("%s: could not get %s regulators: %d\n",
+				__func__, "cec", rc);
+		goto free_comm;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(hdmi_cec_regs),
+			hdmi_cec_regs);
+
+	if (rc) {
+		pr_err("%s: could not set %s voltages: %d\n",
+				__func__, "cec", rc);
+		goto free_cec;
+	}
+
+	return 0;
+
+free_cec:
+	regulator_bulk_free(ARRAY_SIZE(hdmi_cec_regs), hdmi_cec_regs);
+free_comm:
+	regulator_bulk_free(ARRAY_SIZE(hdmi_comm_regs), hdmi_comm_regs);
+free_core:
+	regulator_bulk_free(ARRAY_SIZE(hdmi_core_regs), hdmi_core_regs);
+out:
 	return rc;
 }
 
+static int hdmi_init_irq(void)
+{
+	int rc = msm_gpios_enable(dtv_panel_irq_gpios,
+			ARRAY_SIZE(dtv_panel_irq_gpios));
+	if (rc < 0) {
+		pr_err("%s: gpio enable failed: %d\n", __func__, rc);
+		return rc;
+	}
+	pr_info("%s\n", __func__);
+
+	return 0;
+}
+
+static int hdmi_enable_5v(int on)
+{
+	int pmic_gpio_hdmi_5v_en ;
+
+	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa() ||
+						machine_is_msm7x30_fluid())
+		pmic_gpio_hdmi_5v_en = PMIC_GPIO_HDMI_5V_EN_V2 ;
+	else
+		pmic_gpio_hdmi_5v_en = PMIC_GPIO_HDMI_5V_EN_V3 ;
+
+	pr_info("%s: %d\n", __func__, on);
+	if (on) {
+		int rc;
+		rc = gpio_request(PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en),
+			"hdmi_5V_en");
+		if (rc) {
+			pr_err("%s PMIC_GPIO_HDMI_5V_EN gpio_request failed\n",
+				__func__);
+			return rc;
+		}
+		gpio_set_value_cansleep(
+			PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en), 1);
+	} else {
+		gpio_set_value_cansleep(
+			PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en), 0);
+		gpio_free(PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en));
+	}
+	return 0;
+}
+
+static int hdmi_comm_power(int on, int show)
+{
+	if (show)
+		pr_info("%s: i2c comm: %d <LDO8+LDO10>\n", __func__, on);
+	return on ?
+		regulator_bulk_enable(ARRAY_SIZE(hdmi_comm_regs),
+				hdmi_comm_regs) :
+		regulator_bulk_disable(ARRAY_SIZE(hdmi_comm_regs),
+				hdmi_comm_regs);
+}
+
+static int hdmi_core_power(int on, int show)
+{
+	if (show)
+		pr_info("%s: %d <LDO8>\n", __func__, on);
+	return on ?
+		regulator_bulk_enable(ARRAY_SIZE(hdmi_core_regs),
+				hdmi_core_regs) :
+		regulator_bulk_disable(ARRAY_SIZE(hdmi_core_regs),
+				hdmi_core_regs);
+}
+
+static int hdmi_cec_power(int on)
+{
+	pr_info("%s: %d <LDO17>\n", __func__, on);
+	return on ? regulator_bulk_enable(ARRAY_SIZE(hdmi_cec_regs),
+				hdmi_cec_regs) :
+		regulator_bulk_disable(ARRAY_SIZE(hdmi_cec_regs),
+				hdmi_cec_regs);
+}
+
 #if defined(CONFIG_FB_MSM_HDMI_ADV7520_PANEL) || defined(CONFIG_BOSCH_BMA150)
 /* there is an i2c address conflict between adv7520 and bma150 sensor after
  * power up on fluid. As a solution, the default address of adv7520's packet
@@ -3541,7 +3544,6 @@
 	struct i2c_msg msgs[3];
 	int res;
 	int rc = -EINVAL;
-	struct vreg *vreg_ldo8;
 	struct i2c_adapter *adapter;
 
 	if (machine_is_msm7x30_fluid()) {
@@ -3552,24 +3554,13 @@
 		}
 
 		/* turn on LDO8 */
-		vreg_ldo8 = vreg_get(NULL, "gp7");
-		if (!vreg_ldo8) {
-			pr_err("%s: VREG L8 get failed\n", __func__);
+		rc = hdmi_core_power(1, 0);
+		if (rc) {
+			pr_err("%s: could not enable hdmi core regs: %d",
+					__func__, rc);
 			goto adapter_put;
 		}
 
-		rc = vreg_set_level(vreg_ldo8, 1800);
-		if (rc) {
-			pr_err("%s: VREG L8 set failed\n", __func__);
-			goto ldo8_put;
-		}
-
-		rc = vreg_enable(vreg_ldo8);
-		if (rc) {
-			pr_err("%s: VREG L8 enable failed\n", __func__);
-			goto ldo8_put;
-		}
-
 		/* change packet memory address to 0x74 */
 		wBuff[0] = 0x45;
 		wBuff[1] = 0x74;
@@ -3627,9 +3618,7 @@
 	return 0;
 
 ldo8_disable:
-	vreg_disable(vreg_ldo8);
-ldo8_put:
-	vreg_put(vreg_ldo8);
+	hdmi_core_power(0, 0);
 adapter_put:
 	i2c_put_adapter(adapter);
 	return rc;
@@ -3637,77 +3626,6 @@
 fs_initcall_sync(fluid_i2c_address_fixup);
 #endif
 
-static int hdmi_comm_power(int on, int show)
-{
-	int rc = gpio_set("gp7", "LDO8", 1800, on);
-	if (rc) {
-		pr_warning("hdmi_comm_power: LDO8 gpio failed: rc=%d\n", rc);
-		return rc;
-	}
-	rc = gpio_set("gp4", "LDO10", 2600, on);
-	if (rc)
-		pr_warning("hdmi_comm_power: LDO10 gpio failed: rc=%d\n", rc);
-	if (show)
-		pr_info("%s: i2c comm: %d <LDO8+LDO10>\n", __func__, on);
-	return rc;
-}
-
-static int hdmi_init_irq(void)
-{
-	int rc = msm_gpios_enable(dtv_panel_irq_gpios,
-			ARRAY_SIZE(dtv_panel_irq_gpios));
-	if (rc < 0) {
-		pr_err("%s: gpio enable failed: %d\n", __func__, rc);
-		return rc;
-	}
-	pr_info("%s\n", __func__);
-
-	return 0;
-}
-
-static int hdmi_enable_5v(int on)
-{
-	int pmic_gpio_hdmi_5v_en ;
-
-	if (machine_is_msm8x55_svlte_surf() || machine_is_msm8x55_svlte_ffa() ||
-						machine_is_msm7x30_fluid())
-		pmic_gpio_hdmi_5v_en = PMIC_GPIO_HDMI_5V_EN_V2 ;
-	else
-		pmic_gpio_hdmi_5v_en = PMIC_GPIO_HDMI_5V_EN_V3 ;
-
-	pr_info("%s: %d\n", __func__, on);
-	if (on) {
-		int rc;
-		rc = gpio_request(PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en),
-			"hdmi_5V_en");
-		if (rc) {
-			pr_err("%s PMIC_GPIO_HDMI_5V_EN gpio_request failed\n",
-				__func__);
-			return rc;
-		}
-		gpio_set_value_cansleep(
-			PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en), 1);
-	} else {
-		gpio_set_value_cansleep(
-			PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en), 0);
-		gpio_free(PM8058_GPIO_PM_TO_SYS(pmic_gpio_hdmi_5v_en));
-	}
-	return 0;
-}
-
-static int hdmi_core_power(int on, int show)
-{
-	if (show)
-		pr_info("%s: %d <LDO8>\n", __func__, on);
-	return gpio_set("gp7", "LDO8", 1800, on);
-}
-
-static int hdmi_cec_power(int on)
-{
-	pr_info("%s: %d <LDO17>\n", __func__, on);
-	return gpio_set("gp11", "LDO17", 2600, on);
-}
-
 static bool hdmi_check_hdcp_hw_support(void)
 {
 	if (machine_is_msm7x30_fluid())
@@ -4024,18 +3942,86 @@
 	},
 };
 
+static struct regulator *mddi_ldo20;
+static struct regulator *mddi_ldo12;
+static struct regulator *mddi_ldo16;
+static struct regulator *mddi_ldo6;
+static struct regulator *mddi_lcd;
+
+static int display_common_init(void)
+{
+	struct regulator_bulk_data regs[5] = {
+		{ .supply = "ldo20", /* voltage set in display_common_power */},
+		{ .supply = "ldo12", .min_uV = 1800000, .max_uV = 1800000 },
+		{ .supply = "ldo6",  .min_uV = 3075000, .max_uV = 3400000 },
+		{ .supply = "ldo16", .min_uV = 2600000, .max_uV = 2600000 },
+		{ .supply = NULL,    /* mddi_lcd, initialized below */ },
+	};
+
+	int rc = 0;
+
+	if (machine_is_msm7x30_fluid()) {
+		/* lcd: LDO8 @1.8V */
+		regs[4].supply = "ldo8";
+		regs[4].min_uV = 1800000;
+		regs[4].max_uV = 1800000;
+	} else {
+		/* lcd: LDO15 @3.1V */
+		regs[4].supply = "ldo15";
+		regs[4].min_uV = 3100000;
+		regs[4].max_uV = 3100000;
+	}
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs), regs);
+	if (rc) {
+		pr_err("%s: regulator_bulk_get failed: %d\n",
+				__func__, rc);
+		goto bail;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs), regs);
+	if (rc) {
+		pr_err("%s: regulator_bulk_set_voltage failed: %d\n",
+				__func__, rc);
+		goto put_regs;
+	}
+
+	mddi_ldo20 = regs[0].consumer;
+	mddi_ldo12 = regs[1].consumer;
+	mddi_ldo6  = regs[2].consumer;
+	mddi_ldo16 = regs[3].consumer;
+	mddi_lcd   = regs[4].consumer;
+
+	return rc;
+
+put_regs:
+	regulator_bulk_free(ARRAY_SIZE(regs), regs);
+bail:
+	return rc;
+}
+
 static int display_common_power(int on)
 {
 	int rc = 0, flag_on = !!on;
 	static int display_common_power_save_on;
-	struct vreg *vreg_ldo12, *vreg_ldo15 = NULL, *vreg_ldo6;
-	struct vreg *vreg_ldo20, *vreg_ldo16, *vreg_ldo8 = NULL;
+	static bool display_regs_initialized;
 
 	if (display_common_power_save_on == flag_on)
 		return 0;
 
 	display_common_power_save_on = flag_on;
 
+	if (unlikely(!display_regs_initialized)) {
+		rc = display_common_init();
+		if (rc) {
+			pr_err("%s: regulator init failed: %d\n",
+					__func__, rc);
+			return rc;
+		}
+		display_regs_initialized = true;
+	}
+
+
 	if (on) {
 		/* reset Toshiba WeGA chip -- toggle reset pin -- gpio_180 */
 		rc = gpio_tlmm_config(wega_reset_gpio, GPIO_CFG_ENABLE);
@@ -4075,172 +4061,57 @@
 		}
 	}
 
-	/* Toshiba WeGA power -- has 3 power source */
-	/* 1.5V -- LDO20*/
-	vreg_ldo20 = vreg_get(NULL, "gp13");
-
-	if (IS_ERR(vreg_ldo20)) {
-		rc = PTR_ERR(vreg_ldo20);
-		pr_err("%s: gp13 vreg get failed (%d)\n",
-		       __func__, rc);
-		return rc;
-	}
-
-	/* 1.8V -- LDO12 */
-	vreg_ldo12 = vreg_get(NULL, "gp9");
-
-	if (IS_ERR(vreg_ldo12)) {
-		rc = PTR_ERR(vreg_ldo12);
-		pr_err("%s: gp9 vreg get failed (%d)\n",
-		       __func__, rc);
-		return rc;
-	}
-
-	/* 2.6V -- LDO16 */
-	vreg_ldo16 = vreg_get(NULL, "gp10");
-
-	if (IS_ERR(vreg_ldo16)) {
-		rc = PTR_ERR(vreg_ldo16);
-		pr_err("%s: gp10 vreg get failed (%d)\n",
-			   __func__, rc);
-		return rc;
-	}
-
-	/* 3.075V -- LDO6 */
-	vreg_ldo6 = vreg_get(NULL, "usb");
-
-	if (IS_ERR(vreg_ldo6)) {
-		rc = PTR_ERR(vreg_ldo6);
-		pr_err("%s: usb vreg get failed (%d)\n",
-			   __func__, rc);
-		return rc;
-	}
-
-	if (machine_is_msm7x30_fluid()) {
-		/* 1.8V -- LDO8 */
-		vreg_ldo8 = vreg_get(NULL, "gp7");
-
-		if (IS_ERR(vreg_ldo8)) {
-			rc = PTR_ERR(vreg_ldo8);
-			pr_err("%s: gp7 vreg get failed (%d)\n",
-				__func__, rc);
-			return rc;
-		}
-	} else {
-		/* lcd panel power */
-		/* 3.1V -- LDO15 */
-		vreg_ldo15 = vreg_get(NULL, "gp6");
-
-		if (IS_ERR(vreg_ldo15)) {
-			rc = PTR_ERR(vreg_ldo15);
-			pr_err("%s: gp6 vreg get failed (%d)\n",
-				__func__, rc);
-			return rc;
-		}
-	}
-
-	/* For QuickLogic chip, LDO20 requires 1.8V */
-	/* Toshiba chip requires 1.5V, but can tolerate 1.8V since max is 3V */
 	if (quickvx_mddi_client)
-		rc = vreg_set_level(vreg_ldo20, 1800);
+		rc = regulator_set_voltage(mddi_ldo20, 1800000, 1800000);
 	else
-		rc = vreg_set_level(vreg_ldo20, 1500);
+		rc = regulator_set_voltage(mddi_ldo20, 1500000, 1500000);
+
 	if (rc) {
-		pr_err("%s: vreg LDO20 set level failed (%d)\n",
-		       __func__, rc);
-		return rc;
-	}
-
-	rc = vreg_set_level(vreg_ldo12, 1800);
-	if (rc) {
-		pr_err("%s: vreg LDO12 set level failed (%d)\n",
-		       __func__, rc);
-		return rc;
-	}
-
-	if (other_mddi_client) {
-		rc = vreg_set_level(vreg_ldo16, 2600);
-		if (rc) {
-			pr_err("%s: vreg LDO16 set level failed (%d)\n",
-				   __func__, rc);
-			return rc;
-		}
-	}
-
-	if (quickvx_mddi_client) {
-		rc = vreg_set_level(vreg_ldo6, 3075);
-		if (rc) {
-			pr_err("%s: vreg LDO6 set level failed (%d)\n",
-				   __func__, rc);
-			return rc;
-		}
-	}
-
-	if (machine_is_msm7x30_fluid()) {
-		rc = vreg_set_level(vreg_ldo8, 1800);
-		if (rc) {
-			pr_err("%s: vreg LDO8 set level failed (%d)\n",
+		pr_err("%s: could not set voltage for ldo20: %d\n",
 				__func__, rc);
-			return rc;
-		}
-	} else {
-		rc = vreg_set_level(vreg_ldo15, 3100);
-		if (rc) {
-			pr_err("%s: vreg LDO15 set level failed (%d)\n",
-				__func__, rc);
-			return rc;
-		}
+		return rc;
 	}
 
 	if (on) {
-		rc = vreg_enable(vreg_ldo20);
+		rc = regulator_enable(mddi_ldo20);
 		if (rc) {
-			pr_err("%s: LDO20 vreg enable failed (%d)\n",
+			pr_err("%s: LDO20 regulator enable failed (%d)\n",
 			       __func__, rc);
 			return rc;
 		}
 
-		rc = vreg_enable(vreg_ldo12);
+		rc = regulator_enable(mddi_ldo12);
 		if (rc) {
-			pr_err("%s: LDO12 vreg enable failed (%d)\n",
+			pr_err("%s: LDO12 regulator enable failed (%d)\n",
 			       __func__, rc);
 			return rc;
 		}
 
 		if (other_mddi_client) {
-			rc = vreg_enable(vreg_ldo16);
+			rc = regulator_enable(mddi_ldo16);
 			if (rc) {
-				pr_err("%s: LDO16 vreg enable failed (%d)\n",
+				pr_err("%s: LDO16 regulator enable failed (%d)\n",
 					   __func__, rc);
 				return rc;
 			}
 		}
 
-		if (quickvx_mddi_client && quickvx_ldo_enabled) {
+		if (quickvx_ldo_enabled) {
 			/* Disable LDO6 during display ON */
-			rc = vreg_disable(vreg_ldo6);
+			rc = regulator_disable(mddi_ldo6);
 			if (rc) {
-				pr_err("%s: LDO6 vreg disable failed (%d)\n",
+				pr_err("%s: LDO6 regulator disable failed (%d)\n",
 					   __func__, rc);
 				return rc;
 			}
 			quickvx_ldo_enabled = 0;
 		}
 
-		if (machine_is_msm7x30_fluid()) {
-			rc = vreg_enable(vreg_ldo8);
-			if (rc) {
-				pr_err("%s: LDO8 vreg enable failed (%d)\n",
-					__func__, rc);
-				return rc;
-			}
-		} else {
-			rc = vreg_enable(vreg_ldo15);
-			if (rc) {
-				pr_err("%s: LDO15 vreg enable failed (%d)\n",
-					__func__, rc);
-				return rc;
-			}
+		rc = regulator_enable(mddi_lcd);
+		if (rc) {
+			pr_err("%s: LCD regulator enable failed (%d)\n",
+				__func__, rc);
+			return rc;
 		}
 
 		mdelay(5);		/* ensure power is stable */
@@ -4279,18 +4150,18 @@
 		}
 
 	} else {
-		rc = vreg_disable(vreg_ldo20);
+		rc = regulator_disable(mddi_ldo20);
 		if (rc) {
-			pr_err("%s: LDO20 vreg disable failed (%d)\n",
+			pr_err("%s: LDO20 regulator disable failed (%d)\n",
 			       __func__, rc);
 			return rc;
 		}
 
 
 		if (other_mddi_client) {
-			rc = vreg_disable(vreg_ldo16);
+			rc = regulator_disable(mddi_ldo16);
 			if (rc) {
-				pr_err("%s: LDO16 vreg disable failed (%d)\n",
+				pr_err("%s: LDO16 regulator disable failed (%d)\n",
 					   __func__, rc);
 				return rc;
 			}
@@ -4299,9 +4170,9 @@
 		if (quickvx_mddi_client && !quickvx_ldo_enabled) {
 			/* Enable LDO6 during display OFF for
 			   Quicklogic chip to sleep with data retention */
-			rc = vreg_enable(vreg_ldo6);
+			rc = regulator_enable(mddi_ldo6);
 			if (rc) {
-				pr_err("%s: LDO6 vreg enable failed (%d)\n",
+				pr_err("%s: LDO6 regulator enable failed (%d)\n",
 					   __func__, rc);
 				return rc;
 			}
@@ -4316,27 +4187,18 @@
 				PMIC_GPIO_QUICKVX_CLK), 0);
 		}
 
-		if (machine_is_msm7x30_fluid()) {
-			rc = vreg_disable(vreg_ldo8);
-			if (rc) {
-				pr_err("%s: LDO8 vreg disable failed (%d)\n",
-					__func__, rc);
-				return rc;
-			}
-		} else {
-			rc = vreg_disable(vreg_ldo15);
-			if (rc) {
-				pr_err("%s: LDO15 vreg disable failed (%d)\n",
-					__func__, rc);
-				return rc;
-			}
+		rc = regulator_disable(mddi_lcd);
+		if (rc) {
+			pr_err("%s: LCD regulator disable failed (%d)\n",
+				__func__, rc);
+			return rc;
 		}
 
 		mdelay(5);	/* ensure power is stable */
 
-		rc = vreg_disable(vreg_ldo12);
+		rc = regulator_disable(mddi_ldo12);
 		if (rc) {
-			pr_err("%s: LDO12 vreg disable failed (%d)\n",
+			pr_err("%s: LDO12 regulator disable failed (%d)\n",
 			       __func__, rc);
 			return rc;
 		}
@@ -4365,51 +4227,19 @@
 
 static int msm_fb_mddi_client_power(u32 client_id)
 {
-	struct vreg *vreg_ldo20, *vreg_ldo16;
-	int rc;
-
 	printk(KERN_NOTICE "\n client_id = 0x%x", client_id);
 	/* Check if it is Quicklogic client */
 	if (client_id == 0xc5835800) {
 		printk(KERN_NOTICE "\n Quicklogic MDDI client");
 		other_mddi_client = 0;
-		vreg_ldo16 = vreg_get(NULL, "gp10");
-
-		if (IS_ERR(vreg_ldo16)) {
-			rc = PTR_ERR(vreg_ldo16);
-			pr_err("%s: gp10 vreg get failed (%d)\n",
-				   __func__, rc);
-			return rc;
-		}
-
-		rc = vreg_disable(vreg_ldo16);
-		if (rc) {
-			pr_err("%s: LDO16 vreg enable failed (%d)\n",
-				   __func__, rc);
-			return rc;
-		}
 	} else {
 		printk(KERN_NOTICE "\n Non-Quicklogic MDDI client");
 		quickvx_mddi_client = 0;
 		gpio_set_value(97, 0);
 		gpio_set_value_cansleep(PM8058_GPIO_PM_TO_SYS(
 			PMIC_GPIO_QUICKVX_CLK), 0);
-
-		vreg_ldo20 = vreg_get(NULL, "gp13");
-
-		if (IS_ERR(vreg_ldo20)) {
-			rc = PTR_ERR(vreg_ldo20);
-			pr_err("%s: gp13 vreg get failed (%d)\n",
-				   __func__, rc);
-			return rc;
-		}
-		rc = vreg_set_level(vreg_ldo20, 1500);
-		if (rc) {
-			pr_err("%s: vreg LDO20 set level failed (%d)\n",
-			       __func__, rc);
-			return rc;
-		}
 	}
+
 	return 0;
 }
 
@@ -4574,13 +4404,18 @@
 static int lcdc_panel_power(int on)
 {
 	int flag_on = !!on;
-	static int lcdc_power_save_on;
+	static int lcdc_power_save_on, lcdc_power_initialized;
 
 	if (lcdc_power_save_on == flag_on)
 		return 0;
 
 	lcdc_power_save_on = flag_on;
-	quickvx_mddi_client = 0;
+
+	if (unlikely(!lcdc_power_initialized)) {
+		quickvx_mddi_client = 0;
+		display_common_init();
+		lcdc_power_initialized = 1;
+	}
 
 	if (machine_is_msm7x30_fluid())
 		return lcdc_sharp_panel_power(on);
@@ -4592,47 +4427,64 @@
 	.lcdc_power_save   = lcdc_panel_power,
 };
 
+static struct regulator *atv_s4, *atv_ldo9;
+
+static int __init atv_dac_power_init(void)
+{
+	int rc;
+	struct regulator_bulk_data regs[] = {
+		{ .supply = "smps4", .min_uV = 2200000, .max_uV = 2200000 },
+		{ .supply = "ldo9",  .min_uV = 2050000, .max_uV = 2050000 },
+	};
+
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs), regs);
+
+	if (rc) {
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto bail;
+	}
+
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs), regs);
+
+	if (rc) {
+		pr_err("%s: could not set voltages: %d\n", __func__, rc);
+		goto reg_free;
+	}
+
+	atv_s4   = regs[0].consumer;
+	atv_ldo9 = regs[1].consumer;
+
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(regs), regs);
+bail:
+	return rc;
+}
+
 static int atv_dac_power(int on)
 {
 	int rc = 0;
-	struct vreg *vreg_s4, *vreg_ldo9;
-
-	vreg_s4 = vreg_get(NULL, "s4");
-	if (IS_ERR(vreg_s4)) {
-		rc = PTR_ERR(vreg_s4);
-		pr_err("%s: s4 vreg get failed (%d)\n",
-			__func__, rc);
-		return -1;
-	}
-	vreg_ldo9 = vreg_get(NULL, "gp1");
-	if (IS_ERR(vreg_ldo9)) {
-		rc = PTR_ERR(vreg_ldo9);
-		pr_err("%s: ldo9 vreg get failed (%d)\n",
-			__func__, rc);
-		return rc;
-	}
 
 	if (on) {
-		rc = vreg_enable(vreg_s4);
+		rc = regulator_enable(atv_s4);
 		if (rc) {
 			pr_err("%s: s4 vreg enable failed (%d)\n",
 				__func__, rc);
 			return rc;
 		}
-		rc = vreg_enable(vreg_ldo9);
+		rc = regulator_enable(atv_ldo9);
 		if (rc) {
 			pr_err("%s: ldo9 vreg enable failed (%d)\n",
 				__func__, rc);
 			return rc;
 		}
 	} else {
-		rc = vreg_disable(vreg_ldo9);
+		rc = regulator_disable(atv_ldo9);
 		if (rc) {
 			pr_err("%s: ldo9 vreg disable failed (%d)\n",
 				   __func__, rc);
 			return rc;
 		}
-		rc = vreg_disable(vreg_s4);
+		rc = regulator_disable(atv_s4);
 		if (rc) {
 			pr_err("%s: s4 vreg disable failed (%d)\n",
 				   __func__, rc);
@@ -4707,24 +4559,31 @@
 		"UART1DM_Tx" }
 };
 
-static const char *vregs_bt_marimba_name[] = {
-	"s3",
-	"s2",
-	"gp16",
-	"wlan"
-};
-static struct vreg *vregs_bt_marimba[ARRAY_SIZE(vregs_bt_marimba_name)];
-
-static const char *vregs_bt_bahama_name[] = {
-	"s3",
-	"usb2",
-	"s2",
-	"wlan"
-};
-static struct vreg *vregs_bt_bahama[ARRAY_SIZE(vregs_bt_bahama_name)];
-
 static u8 bahama_version;
 
+static struct regulator_bulk_data regs_bt_marimba[] = {
+	{ .supply = "smps3", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "smps2", .min_uV = 1300000, .max_uV = 1300000 },
+	{ .supply = "ldo24", .min_uV = 1200000, .max_uV = 1200000 },
+	{ .supply = "ldo13", .min_uV = 2900000, .max_uV = 2900000 },
+};
+
+static struct regulator_bulk_data regs_bt_bahama_v1[] = {
+	{ .supply = "smps3", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "ldo7",  .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "smps2", .min_uV = 1300000, .max_uV = 1300000 },
+	{ .supply = "ldo13", .min_uV = 2900000, .max_uV = 2900000 },
+};
+
+static struct regulator_bulk_data regs_bt_bahama_v2[] = {
+	{ .supply = "smps3", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "ldo7",  .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "ldo13", .min_uV = 2900000, .max_uV = 2900000 },
+};
+
+static struct regulator_bulk_data *regs_bt;
+static int regs_bt_count;
+
 static int marimba_bt(int on)
 {
 	int rc;
@@ -4946,15 +4805,6 @@
 
 	on = on ? 1 : 0;
 
-	bahama_version = read_bahama_ver();
-
-	if (((int)bahama_version) < 0 ||
-		bahama_version == VER_UNSUPPORTED) {
-		dev_err(&msm_bt_power_device.dev,
-			"%s: i2c failure or unsupported version: %d\n",
-			__func__, bahama_version);
-		return -EIO;
-	}
 
 	if (bahama_version == VER_2_0) {
 		if (marimba_get_fm_status(&config))
@@ -4990,69 +4840,62 @@
 	else
 		marimba_set_bt_status(&config, false);
 
-	if (bahama_version == VER_2_0 && on) { /* variant of bahama v2 */
-		/* Disable s2 as bahama v2 uses internal LDO regulator */
-		for (i = 0; i < ARRAY_SIZE(vregs_bt_bahama_name); i++) {
-			if (!strcmp(vregs_bt_bahama_name[i], "s2")) {
-				rc = vreg_disable(vregs_bt_bahama[i]);
-				if (rc < 0) {
-					printk(KERN_ERR
-						"%s: vreg %s disable "
-						"failed (%d)\n",
-						__func__,
-						vregs_bt_bahama_name[i], rc);
-					return -EIO;
-				}
-				rc = pmapp_vreg_level_vote("BTPW",
-								PMAPP_VREG_S2,
-								0);
-				if (rc < 0) {
-					printk(KERN_ERR "%s: vreg "
-						"level off failed (%d)\n",
-						__func__, rc);
-					return -EIO;
-				}
-				printk(KERN_INFO "%s: vreg disable & "
-					"level off successful (%d)\n",
-					__func__, rc);
-			}
-		}
-	}
-
 	return 0;
 }
 
-static int bluetooth_power_regulators(int on, int bahama_not_marimba)
+static int bluetooth_regs_init(int bahama_not_marimba)
 {
-	int i, rc;
-	const char **vregs_name;
-	struct vreg **vregs;
-	int vregs_size;
+	int rc = 0;
+	struct device *const dev = &msm_bt_power_device.dev;
 
 	if (bahama_not_marimba) {
-		vregs_name = vregs_bt_bahama_name;
-		vregs = vregs_bt_bahama;
-		vregs_size = ARRAY_SIZE(vregs_bt_bahama_name);
+		bahama_version = read_bahama_ver();
+
+		switch (bahama_version) {
+		case VER_1_0:
+			regs_bt = regs_bt_bahama_v1;
+			regs_bt_count = ARRAY_SIZE(regs_bt_bahama_v1);
+			break;
+		case VER_2_0:
+			regs_bt = regs_bt_bahama_v2;
+			regs_bt_count = ARRAY_SIZE(regs_bt_bahama_v2);
+			break;
+		case VER_UNSUPPORTED:
+		default:
+			dev_err(dev,
+				"%s: i2c failure or unsupported version: %d\n",
+				__func__, bahama_version);
+			rc = -EIO;
+			goto out;
+		}
 	} else {
-		vregs_name = vregs_bt_marimba_name;
-		vregs = vregs_bt_marimba;
-		vregs_size = ARRAY_SIZE(vregs_bt_marimba_name);
+		regs_bt = regs_bt_marimba;
+		regs_bt_count = ARRAY_SIZE(regs_bt_marimba);
 	}
 
-	for (i = 0; i < vregs_size; i++) {
-		if (bahama_not_marimba && (bahama_version == VER_2_0) &&
-			!on && !strcmp(vregs_bt_bahama_name[i], "s2"))
-			continue;
-		rc = on ? vreg_enable(vregs[i]) :
-			  vreg_disable(vregs[i]);
-		if (rc < 0) {
-			printk(KERN_ERR "%s: vreg %s %s failed (%d)\n",
-				__func__, vregs_name[i],
-			       on ? "enable" : "disable", rc);
-			return -EIO;
-		}
+	rc = regulator_bulk_get(&msm_bt_power_device.dev,
+			regs_bt_count, regs_bt);
+	if (rc) {
+		dev_err(dev, "%s: could not get regulators: %d\n",
+				__func__, rc);
+		goto out;
 	}
+
+	rc = regulator_bulk_set_voltage(regs_bt_count, regs_bt);
+	if (rc) {
+		dev_err(dev, "%s: could not set voltages: %d\n",
+				__func__, rc);
+		goto reg_free;
+	}
+
 	return 0;
+
+reg_free:
+	regulator_bulk_free(regs_bt_count, regs_bt);
+out:
+	regs_bt_count = 0;
+	regs_bt = NULL;
+	return rc;
 }
 
 static int bluetooth_power(int on)
@@ -5068,17 +4911,16 @@
 		return -ENODEV;
 	}
 
-	if (on) {
-		rc = pmapp_vreg_level_vote(id, PMAPP_VREG_S2, 1300);
-		if (rc < 0) {
-			printk(KERN_ERR "%s: vreg level on failed (%d)\n",
-				__func__, rc);
+	if (unlikely(regs_bt_count == 0)) {
+		rc = bluetooth_regs_init(bahama_not_marimba);
+		if (rc)
 			return rc;
-		}
+	}
 
-		rc = bluetooth_power_regulators(on, bahama_not_marimba);
-		if (rc < 0)
-			return -EIO;
+	if (on) {
+		rc = regulator_bulk_enable(regs_bt_count, regs_bt);
+		if (rc)
+			return rc;
 
 		rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_DO,
 					  PMAPP_CLOCK_VOTE_ON);
@@ -5135,18 +4977,10 @@
 		if (rc < 0)
 			return -EIO;
 
-		rc = bluetooth_power_regulators(on, bahama_not_marimba);
-		if (rc < 0)
-			return -EIO;
+		rc = regulator_bulk_disable(regs_bt_count, regs_bt);
+		if (rc)
+			return rc;
 
-		if (bahama_version == VER_1_0) {
-			rc = pmapp_vreg_level_vote(id, PMAPP_VREG_S2, 0);
-			if (rc < 0) {
-				printk(KERN_ERR "%s: vreg level off failed "
-				"(%d)\n", __func__, rc);
-				return -EIO;
-			}
-		}
 	}
 
 out:
@@ -5157,29 +4991,7 @@
 
 static void __init bt_power_init(void)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(vregs_bt_marimba_name); i++) {
-		vregs_bt_marimba[i] = vreg_get(NULL, vregs_bt_marimba_name[i]);
-		if (IS_ERR(vregs_bt_marimba[i])) {
-			printk(KERN_ERR "%s: vreg get %s failed (%ld)\n",
-			       __func__, vregs_bt_marimba_name[i],
-			       PTR_ERR(vregs_bt_marimba[i]));
-			return;
-		}
-	}
-
-	for (i = 0; i < ARRAY_SIZE(vregs_bt_bahama_name); i++) {
-		vregs_bt_bahama[i] = vreg_get(NULL, vregs_bt_bahama_name[i]);
-		if (IS_ERR(vregs_bt_bahama[i])) {
-			printk(KERN_ERR "%s: vreg get %s failed (%ld)\n",
-			       __func__, vregs_bt_bahama_name[i],
-			       PTR_ERR(vregs_bt_bahama[i]));
-			return;
-		}
-	}
-
-    msm_bt_power_device.dev.platform_data = &bluetooth_power;
+	msm_bt_power_device.dev.platform_data = &bluetooth_power;
 }
 #else
 #define bt_power_init(x) do {} while (0)
@@ -5415,7 +5227,7 @@
 }
 /*This needs to be enabled only for OEMS*/
 #ifndef CONFIG_QUP_EXCLUSIVE_TO_CAMERA
-static struct vreg *qup_vreg;
+static struct regulator *qup_vreg;
 #endif
 static void
 qup_i2c_gpio_config(int adap_id, int config_type)
@@ -5434,15 +5246,10 @@
 		printk(KERN_ERR "QUP GPIO enable failed: %d\n", rc);
 	/*This needs to be enabled only for OEMS*/
 #ifndef CONFIG_QUP_EXCLUSIVE_TO_CAMERA
-	if (qup_vreg) {
-		int rc = vreg_set_level(qup_vreg, 1800);
+	if (!IS_ERR_OR_NULL(qup_vreg)) {
+		rc = regulator_enable(qup_vreg);
 		if (rc) {
-			pr_err("%s: vreg LVS1 set level failed (%d)\n",
-			__func__, rc);
-		}
-		rc = vreg_enable(qup_vreg);
-		if (rc) {
-			pr_err("%s: vreg_enable() = %d \n",
+			pr_err("%s: regulator_enable failed: %d\n",
 			__func__, rc);
 		}
 	}
@@ -5491,9 +5298,10 @@
 	qup_device_i2c.dev.platform_data = &qup_i2c_pdata;
 	/*This needs to be enabled only for OEMS*/
 #ifndef CONFIG_QUP_EXCLUSIVE_TO_CAMERA
-	qup_vreg = vreg_get(NULL, "lvsw1");
+	qup_vreg = regulator_get(&qup_device_i2c.dev, "lvsw1");
 	if (IS_ERR(qup_vreg)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
+		dev_err(&qup_device_i2c.dev,
+			"%s: regulator_get failed: %ld\n",
 			__func__, PTR_ERR(qup_vreg));
 	}
 #endif
@@ -5516,9 +5324,6 @@
 	{GPIO_CFG(115, 2, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP, GPIO_CFG_8MA), "ebi2_busy1"},
 };
 
-struct vreg *vreg_s3;
-struct vreg *vreg_mmc;
-
 #if (defined(CONFIG_MMC_MSM_SDC1_SUPPORT)\
 	|| defined(CONFIG_MMC_MSM_SDC2_SUPPORT)\
 	|| defined(CONFIG_MMC_MSM_SDC3_SUPPORT)\
@@ -5615,12 +5420,7 @@
 	},
 };
 
-struct sdcc_vreg {
-	struct vreg *vreg_data;
-	unsigned level;
-};
-
-static struct sdcc_vreg sdcc_vreg_data[4];
+static struct regulator *sdcc_vreg_data[ARRAY_SIZE(sdcc_cfg_data)];
 
 static unsigned long vreg_sts, gpio_sts;
 
@@ -5656,37 +5456,36 @@
 static uint32_t msm_sdcc_setup_vreg(int dev_id, unsigned int enable)
 {
 	int rc = 0;
-	struct sdcc_vreg *curr;
+	struct regulator *curr = sdcc_vreg_data[dev_id - 1];
 	static int enabled_once[] = {0, 0, 0, 0};
 
-	curr = &sdcc_vreg_data[dev_id - 1];
-
-	if (!(test_bit(dev_id, &vreg_sts)^enable))
+	if (test_bit(dev_id, &vreg_sts) == enable)
 		return rc;
 
 	if (!enable || enabled_once[dev_id - 1])
 		return 0;
 
+	if (!curr)
+		return -ENODEV;
+
+	if (IS_ERR(curr))
+		return PTR_ERR(curr);
+
 	if (enable) {
 		set_bit(dev_id, &vreg_sts);
-		rc = vreg_set_level(curr->vreg_data, curr->level);
-		if (rc) {
-			printk(KERN_ERR "%s: vreg_set_level() = %d \n",
+
+		rc = regulator_enable(curr);
+		if (rc)
+			pr_err("%s: could not enable regulator: %d\n",
 					__func__, rc);
-		}
-		rc = vreg_enable(curr->vreg_data);
-		if (rc) {
-			printk(KERN_ERR "%s: vreg_enable() = %d \n",
-					__func__, rc);
-		}
 		enabled_once[dev_id - 1] = 1;
 	} else {
 		clear_bit(dev_id, &vreg_sts);
-		rc = vreg_disable(curr->vreg_data);
-		if (rc) {
-			printk(KERN_ERR "%s: vreg_disable() = %d \n",
+
+		rc = regulator_disable(curr);
+		if (rc)
+			pr_err("%s: could not disable regulator: %d\n",
 					__func__, rc);
-		}
 	}
 	return rc;
 }
@@ -5757,109 +5556,76 @@
 	return rc;
 }
 
-static int mbp_setup_rf_vregs(int state)
+static struct regulator_bulk_data mbp_regs_io[2];
+static struct regulator_bulk_data mbp_regs_rf[2];
+static struct regulator_bulk_data mbp_regs_adc[1];
+static struct regulator_bulk_data mbp_regs_core[1];
+
+static int mbp_init_regs(struct device *dev)
 {
-	struct vreg *vreg_rf = NULL;
-	struct vreg *vreg_rf_switch	= NULL;
+	struct regulator_bulk_data regs[] = {
+		/* Analog and I/O regs */
+		{ .supply = "gp4",  .min_uV = 2600000, .max_uV = 2600000 },
+		{ .supply = "s3",   .min_uV = 1800000, .max_uV = 1800000 },
+		/* RF regs */
+		{ .supply = "s2",   .min_uV = 1300000, .max_uV = 1300000 },
+		{ .supply = "rf",   .min_uV = 2600000, .max_uV = 2600000 },
+		/* ADC regs */
+		{ .supply = "s4",   .min_uV = 2200000, .max_uV = 2200000 },
+		/* Core regs */
+		{ .supply = "gp16", .min_uV = 1200000, .max_uV = 1200000 },
+	};
+
+	struct regulator_bulk_data *regptr = regs;
 	int rc;
 
-	vreg_rf = vreg_get(NULL, "s2");
-	if (IS_ERR(vreg_rf)) {
-		pr_err("%s: s2 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_rf));
-		return -EFAULT;
-	}
-	vreg_rf_switch = vreg_get(NULL, "rf");
-	if (IS_ERR(vreg_rf_switch)) {
-		pr_err("%s: rf vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_rf_switch));
-		return -EFAULT;
+	rc = regulator_bulk_get(dev, ARRAY_SIZE(regs), regs);
+
+	if (rc) {
+		dev_err(dev, "%s: could not get regulators: %d\n",
+				__func__, rc);
+		goto out;
 	}
 
-	if (state) {
-		rc = vreg_set_level(vreg_rf, 1300);
-		if (rc) {
-			pr_err("%s: vreg s2 set level failed (%d)\n",
-					__func__, rc);
-			return rc;
-		}
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs), regs);
 
-		rc = vreg_enable(vreg_rf);
-		if (rc) {
-			printk(KERN_ERR "%s: vreg_enable(s2) = %d\n",
-					__func__, rc);
-		}
-
-		rc = vreg_set_level(vreg_rf_switch, 2600);
-		if (rc) {
-			pr_err("%s: vreg rf switch set level failed (%d)\n",
-					__func__, rc);
-			return rc;
-		}
-		rc = vreg_enable(vreg_rf_switch);
-		if (rc) {
-			printk(KERN_ERR "%s: vreg_enable(rf) = %d\n",
-					__func__, rc);
-		}
-	} else {
-		(void) vreg_disable(vreg_rf);
-		(void) vreg_disable(vreg_rf_switch);
+	if (rc) {
+		dev_err(dev, "%s: could not set voltages: %d\n",
+				__func__, rc);
+		goto reg_free;
 	}
+
+	memcpy(mbp_regs_io, regptr, sizeof(mbp_regs_io));
+	regptr += ARRAY_SIZE(mbp_regs_io);
+
+	memcpy(mbp_regs_rf, regptr, sizeof(mbp_regs_rf));
+	regptr += ARRAY_SIZE(mbp_regs_rf);
+
+	memcpy(mbp_regs_adc, regptr, sizeof(mbp_regs_adc));
+	regptr += ARRAY_SIZE(mbp_regs_adc);
+
+	memcpy(mbp_regs_core, regptr, sizeof(mbp_regs_core));
+
 	return 0;
+
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(regs), regs);
+out:
+	return rc;
+}
+
+static int mbp_setup_rf_vregs(int state)
+{
+	return state ?
+		regulator_bulk_enable(ARRAY_SIZE(mbp_regs_rf), mbp_regs_rf) :
+		regulator_bulk_disable(ARRAY_SIZE(mbp_regs_rf), mbp_regs_rf);
 }
 
 static int mbp_setup_vregs(int state)
 {
-	struct vreg *vreg_analog = NULL;
-	struct vreg *vreg_io = NULL;
-	int rc;
-
-	vreg_analog = vreg_get(NULL, "gp4");
-	if (IS_ERR(vreg_analog)) {
-		pr_err("%s: gp4 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_analog));
-		return -EFAULT;
-	}
-	vreg_io = vreg_get(NULL, "s3");
-	if (IS_ERR(vreg_io)) {
-		pr_err("%s: s3 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_io));
-		return -EFAULT;
-	}
-	if (state) {
-		rc = vreg_set_level(vreg_analog, 2600);
-		if (rc) {
-			pr_err("%s: vreg_set_level failed (%d)",
-					__func__, rc);
-		}
-		rc = vreg_enable(vreg_analog);
-		if (rc) {
-			pr_err("%s: analog vreg enable failed (%d)",
-					__func__, rc);
-		}
-		rc = vreg_set_level(vreg_io, 1800);
-		if (rc) {
-			pr_err("%s: vreg_set_level failed (%d)",
-					__func__, rc);
-		}
-		rc = vreg_enable(vreg_io);
-		if (rc) {
-			pr_err("%s: io vreg enable failed (%d)",
-					__func__, rc);
-		}
-	} else {
-		rc = vreg_disable(vreg_analog);
-		if (rc) {
-			pr_err("%s: analog vreg disable failed (%d)",
-					__func__, rc);
-		}
-		rc = vreg_disable(vreg_io);
-		if (rc) {
-			pr_err("%s: io vreg disable failed (%d)",
-					__func__, rc);
-		}
-	}
-	return rc;
+	return state ?
+		regulator_bulk_enable(ARRAY_SIZE(mbp_regs_io), mbp_regs_io) :
+		regulator_bulk_disable(ARRAY_SIZE(mbp_regs_io), mbp_regs_io);
 }
 
 static int mbp_set_tcxo_en(int enable)
@@ -5875,16 +5641,6 @@
 			__func__, enable ? "" : "de-");
 		return -EIO;
 	}
-	if (!enable) {
-		vreg_analog = vreg_get(NULL, "gp4");
-		if (IS_ERR(vreg_analog)) {
-			pr_err("%s: gp4 vreg get failed (%ld)",
-					__func__, PTR_ERR(vreg_analog));
-			return -EFAULT;
-		}
-
-		(void) vreg_disable(vreg_analog);
-	}
 	return rc;
 }
 
@@ -5898,28 +5654,20 @@
 
 static int mbp_set_core_voltage_en(int enable)
 {
-	int rc;
-	struct vreg *vreg_core1p2 = NULL;
+	static bool is_enabled;
+	int rc = 0;
 
-	vreg_core1p2 = vreg_get(NULL, "gp16");
-	if (IS_ERR(vreg_core1p2)) {
-		pr_err("%s: gp16 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_core1p2));
-		return -EFAULT;
-	}
-	if (enable) {
-		rc = vreg_set_level(vreg_core1p2, 1200);
+	if (enable && !is_enabled) {
+		rc = regulator_bulk_enable(ARRAY_SIZE(mbp_regs_core),
+				mbp_regs_core);
 		if (rc) {
-			pr_err("%s: vreg_set_level failed (%d)",
+			pr_err("%s: could not enable regulators: %d\n",
 					__func__, rc);
+		} else {
+			is_enabled = true;
 		}
-		(void) vreg_enable(vreg_core1p2);
-
-		return 80;
-	} else {
-		gpio_set_value(85, 1);
-		return 0;
 	}
+
 	return rc;
 }
 
@@ -5950,34 +5698,9 @@
 
 static int mbp_setup_adc_vregs(int state)
 {
-	struct vreg *vreg_adc = NULL;
-	int rc;
-
-	vreg_adc = vreg_get(NULL, "s4");
-	if (IS_ERR(vreg_adc)) {
-		pr_err("%s: s4 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_adc));
-		return -EFAULT;
-	}
-	if (state) {
-		rc = vreg_set_level(vreg_adc, 2200);
-		if (rc) {
-			pr_err("%s: vreg_set_level failed (%d)",
-					__func__, rc);
-		}
-		rc = vreg_enable(vreg_adc);
-		if (rc) {
-			pr_err("%s: enable vreg adc failed (%d)",
-					__func__, rc);
-		}
-	} else {
-		rc = vreg_disable(vreg_adc);
-		if (rc) {
-			pr_err("%s: disable vreg adc failed (%d)",
-					__func__, rc);
-		}
-	}
-	return rc;
+	return state ?
+		regulator_bulk_enable(ARRAY_SIZE(mbp_regs_adc), mbp_regs_adc) :
+		regulator_bulk_disable(ARRAY_SIZE(mbp_regs_adc), mbp_regs_adc);
 }
 
 static int mbp_power_up(void)
@@ -6042,14 +5765,6 @@
 static int mbp_power_down(void)
 {
 	int rc;
-	struct vreg *vreg_adc = NULL;
-
-	vreg_adc = vreg_get(NULL, "s4");
-	if (IS_ERR(vreg_adc)) {
-		pr_err("%s: s4 vreg get failed (%ld)",
-				__func__, PTR_ERR(vreg_adc));
-		return -EFAULT;
-	}
 
 	mbp_set_reset(MBP_ON);
 	pr_debug("%s: mbp_set_reset(MBP_ON) done\n", __func__);
@@ -6079,13 +5794,16 @@
 		goto exit;
 	pr_debug("%s: mbp_set_core_voltage_en(MBP_OFF) done\n", __func__);
 
-	gpio_set_value(85, 1);
-
 	rc = mbp_set_tcxo_en(MBP_OFF);
 	if (rc)
 		goto exit;
 	pr_debug("%s: mbp_set_tcxo_en(MBP_OFF) done\n", __func__);
 
+	rc = mbp_setup_vregs(MBP_OFF);
+	if (rc)
+		goto exit;
+	pr_debug("%s: mbp_setup_vregs(MBP_OFF) done\n", __func__);
+
 	rc = mbp_config_gpios_pre_init(MBP_OFF);
 	if (rc)
 		goto exit;
@@ -6147,6 +5865,12 @@
 		goto out;
 	}
 	if (!mbp_power_init_done) {
+		rc = mbp_init_regs(dv);
+		if (rc) {
+			dev_err(dv, "%s: regulator init failed: %d\n",
+					__func__, rc);
+			goto out;
+		}
 		mbp_setup_power(dv, 1);
 		mbp_setup_power(dv, 0);
 		mbp_power_init_done = 1;
@@ -6285,18 +6009,32 @@
 #endif
 
 #ifdef CONFIG_MMC_MSM_SDC1_SUPPORT
-static void msm_sdc1_lvlshft_enable(void)
+static int msm_sdc1_lvlshft_enable(void)
 {
+	static struct regulator *ldo5;
 	int rc;
 
 	/* Enable LDO5, an input to the FET that powers slot 1 */
-	rc = vreg_set_level(vreg_mmc, 2850);
-	if (rc)
-		printk(KERN_ERR "%s: vreg_set_level() = %d \n",	__func__, rc);
 
-	rc = vreg_enable(vreg_mmc);
-	if (rc)
-		printk(KERN_ERR "%s: vreg_enable() = %d \n", __func__, rc);
+	ldo5 = regulator_get(NULL, "ldo5");
+
+	if (IS_ERR(ldo5)) {
+		rc = PTR_ERR(ldo5);
+		pr_err("%s: could not get ldo5: %d\n", __func__, rc);
+		goto out;
+	}
+
+	rc = regulator_set_voltage(ldo5, 2850000, 2850000);
+	if (rc) {
+		pr_err("%s: could not set ldo5 voltage: %d\n", __func__, rc);
+		goto ldo5_free;
+	}
+
+	rc = regulator_enable(ldo5);
+	if (rc) {
+		pr_err("%s: could not enable ldo5: %d\n", __func__, rc);
+		goto ldo5_free;
+	}
 
 	/* Enable GPIO 35, to turn on the FET that powers slot 1 */
 	rc = msm_gpios_request_enable(sdc1_lvlshft_cfg_data,
@@ -6308,35 +6046,72 @@
 				1);
 	if (rc)
 		printk(KERN_ERR "%s: Failed to turn on GPIO 35\n", __func__);
+
+	return 0;
+
+ldo5_free:
+	regulator_put(ldo5);
+out:
+	ldo5 = NULL;
+	return rc;
 }
 #endif
 
+static int mmc_regulator_init(int sdcc_no, const char *supply, int uV)
+{
+	int rc;
+
+	BUG_ON(sdcc_no < 1 || sdcc_no > 4);
+
+	sdcc_no--;
+
+	sdcc_vreg_data[sdcc_no] = regulator_get(NULL, supply);
+
+	if (IS_ERR(sdcc_vreg_data[sdcc_no])) {
+		rc = PTR_ERR(sdcc_vreg_data[sdcc_no]);
+		pr_err("%s: could not get regulator \"%s\": %d\n",
+				__func__, supply, rc);
+		goto out;
+	}
+
+	rc = regulator_set_voltage(sdcc_vreg_data[sdcc_no], uV, uV);
+
+	if (rc) {
+		pr_err("%s: could not set voltage for \"%s\" to %d uV: %d\n",
+				__func__, supply, uV, rc);
+		goto reg_free;
+	}
+
+	return rc;
+
+reg_free:
+	regulator_put(sdcc_vreg_data[sdcc_no]);
+out:
+	sdcc_vreg_data[sdcc_no] = NULL;
+	return rc;
+}
+
 static void __init msm7x30_init_mmc(void)
 {
-	vreg_s3 = vreg_get(NULL, "s3");
-	if (IS_ERR(vreg_s3)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-		       __func__, PTR_ERR(vreg_s3));
-		return;
-	}
-
-	vreg_mmc = vreg_get(NULL, "mmc");
-	if (IS_ERR(vreg_mmc)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-		       __func__, PTR_ERR(vreg_mmc));
-		return;
-	}
-
 #ifdef CONFIG_MMC_MSM_SDC1_SUPPORT
+	if (mmc_regulator_init(1, "s3", 1800000))
+		goto out1;
+
 	if (machine_is_msm7x30_fluid()) {
 		msm7x30_sdc1_data.ocr_mask =  MMC_VDD_27_28 | MMC_VDD_28_29;
-		msm_sdc1_lvlshft_enable();
+		if (msm_sdc1_lvlshft_enable()) {
+			pr_err("%s: could not enable level shift\n");
+			goto out1;
+		}
 	}
-	sdcc_vreg_data[0].vreg_data = vreg_s3;
-	sdcc_vreg_data[0].level = 1800;
+
 	msm_add_sdcc(1, &msm7x30_sdc1_data);
+out1:
 #endif
 #ifdef CONFIG_MMC_MSM_SDC2_SUPPORT
+	if (mmc_regulator_init(2, "s3", 1800000))
+		goto out2;
+
 	if (machine_is_msm8x55_svlte_surf())
 		msm7x30_sdc2_data.msmsdcc_fmax =  24576000;
 	if (machine_is_msm8x55_svlte_surf() ||
@@ -6344,19 +6119,22 @@
 		msm7x30_sdc2_data.sdiowakeup_irq = MSM_GPIO_TO_INT(68);
 		msm7x30_sdc2_data.is_sdio_al_client = 1;
 	}
-	sdcc_vreg_data[1].vreg_data = vreg_s3;
-	sdcc_vreg_data[1].level = 1800;
+
 	msm_add_sdcc(2, &msm7x30_sdc2_data);
+out2:
 #endif
 #ifdef CONFIG_MMC_MSM_SDC3_SUPPORT
-	sdcc_vreg_data[2].vreg_data = vreg_s3;
-	sdcc_vreg_data[2].level = 1800;
+	if (mmc_regulator_init(3, "s3", 1800000))
+		goto out3;
+
 	msm_sdcc_setup_gpio(3, 1);
 	msm_add_sdcc(3, &msm7x30_sdc3_data);
+out3:
 #endif
 #ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
-	sdcc_vreg_data[3].vreg_data = vreg_mmc;
-	sdcc_vreg_data[3].level = 2850;
+	if (mmc_regulator_init(4, "mmc", 2850000))
+		return;
+
 	msm_add_sdcc(4, &msm7x30_sdc4_data);
 #endif
 
@@ -6468,68 +6246,50 @@
 	"tsc2007_irq" },
 };
 
-static struct vreg *vreg_tsc_s3;
-static struct vreg *vreg_tsc_s2;
+static struct regulator_bulk_data tsc2007_regs[] = {
+	{ .supply = "s3", .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "s2", .min_uV = 1300000, .max_uV = 1300000 },
+};
 
 static int tsc2007_init(void)
 {
 	int rc;
 
-	vreg_tsc_s3 = vreg_get(NULL, "s3");
-	if (IS_ERR(vreg_tsc_s3)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-		       __func__, PTR_ERR(vreg_tsc_s3));
-		return -ENODEV;
-	}
+	rc = regulator_bulk_get(NULL, ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
 
-	rc = vreg_set_level(vreg_tsc_s3, 1800);
 	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_set_level;
+		pr_err("%s: could not get regulators: %d\n", __func__, rc);
+		goto out;
 	}
 
-	rc = vreg_enable(vreg_tsc_s3);
+	rc = regulator_bulk_set_voltage(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
+
 	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_set_level;
+		pr_err("%s: could not set voltages: %d\n", __func__, rc);
+		goto reg_free;
 	}
 
-	vreg_tsc_s2 = vreg_get(NULL, "s2");
-	if (IS_ERR(vreg_tsc_s2)) {
-		printk(KERN_ERR "%s: vreg get failed (%ld)\n",
-		       __func__, PTR_ERR(vreg_tsc_s2));
-		goto fail_vreg_get;
-	}
+	rc = regulator_bulk_enable(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
 
-	rc = vreg_set_level(vreg_tsc_s2, 1300);
 	if (rc) {
-		pr_err("%s: vreg_set_level failed \n", __func__);
-		goto fail_vreg_s2_level;
-	}
-
-	rc = vreg_enable(vreg_tsc_s2);
-	if (rc) {
-		pr_err("%s: vreg_enable failed \n", __func__);
-		goto fail_vreg_s2_level;
+		pr_err("%s: could not enable regulators: %d\n", __func__, rc);
+		goto reg_free;
 	}
 
 	rc = msm_gpios_request_enable(tsc2007_config_data,
 			ARRAY_SIZE(tsc2007_config_data));
 	if (rc) {
 		pr_err("%s: Unable to request gpios\n", __func__);
-		goto fail_gpio_req;
+		goto reg_disable;
 	}
 
 	return 0;
 
-fail_gpio_req:
-	vreg_disable(vreg_tsc_s2);
-fail_vreg_s2_level:
-	vreg_put(vreg_tsc_s2);
-fail_vreg_get:
-	vreg_disable(vreg_tsc_s3);
-fail_vreg_set_level:
-	vreg_put(vreg_tsc_s3);
+reg_disable:
+	regulator_bulk_disable(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
+out:
 	return rc;
 }
 
@@ -6549,10 +6309,9 @@
 
 static void tsc2007_exit(void)
 {
-	vreg_disable(vreg_tsc_s3);
-	vreg_put(vreg_tsc_s3);
-	vreg_disable(vreg_tsc_s2);
-	vreg_put(vreg_tsc_s2);
+
+	regulator_bulk_disable(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
+	regulator_bulk_free(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
 
 	msm_gpios_disable_free(tsc2007_config_data,
 		ARRAY_SIZE(tsc2007_config_data));
@@ -6562,35 +6321,20 @@
 {
 	int rc;
 
-	if (enable == false) {
-		rc = vreg_enable(vreg_tsc_s2);
-		if (rc) {
-			pr_err("%s: vreg_enable failed\n", __func__);
-			return rc;
-		}
-		rc = vreg_enable(vreg_tsc_s3);
-		if (rc) {
-			pr_err("%s: vreg_enable failed\n", __func__);
-			vreg_disable(vreg_tsc_s2);
-			return rc;
-		}
-		/* Voltage settling delay */
-		msleep(20);
-	} else {
-		rc = vreg_disable(vreg_tsc_s2);
-		if (rc) {
-			pr_err("%s: vreg_disable failed\n", __func__);
-			return rc;
-		}
-		rc = vreg_disable(vreg_tsc_s3);
-		if (rc) {
-			pr_err("%s: vreg_disable failed\n", __func__);
-			vreg_enable(vreg_tsc_s2);
-			return rc;
-		}
+	rc = (enable == false) ?
+		regulator_bulk_enable(ARRAY_SIZE(tsc2007_regs), tsc2007_regs) :
+		regulator_bulk_disable(ARRAY_SIZE(tsc2007_regs), tsc2007_regs);
+
+	if (rc) {
+		pr_err("%s: could not %sable regulators: %d\n",
+				__func__, enable ? "dis" : "en", rc);
+		return rc;
 	}
 
-	return rc;
+	if (enable == false)
+		msleep(20);
+
+	return 0;
 }
 
 static struct tsc2007_platform_data tsc2007_ts_data = {
@@ -6617,36 +6361,23 @@
 };
 #endif
 
-static const char *vregs_isa1200_name[] = {
-	"gp7",
-	"gp10",
+static struct regulator_bulk_data regs_isa1200[] = {
+	{ .supply = "gp7",  .min_uV = 1800000, .max_uV = 1800000 },
+	{ .supply = "gp10", .min_uV = 2600000, .max_uV = 2600000 },
 };
 
-static const int vregs_isa1200_val[] = {
-	1800,
-	2600,
-};
-static struct vreg *vregs_isa1200[ARRAY_SIZE(vregs_isa1200_name)];
-
 static int isa1200_power(int vreg_on)
 {
-	int i, rc = 0;
+	int rc = 0;
 
-	for (i = 0; i < ARRAY_SIZE(vregs_isa1200_name); i++) {
-		if (!vregs_isa1200[i]) {
-			pr_err("%s: vreg_get %s failed (%d)\n",
-				__func__, vregs_isa1200_name[i], rc);
-			goto vreg_fail;
-		}
+	rc = vreg_on ?
+		regulator_bulk_enable(ARRAY_SIZE(regs_isa1200), regs_isa1200) :
+		regulator_bulk_disable(ARRAY_SIZE(regs_isa1200), regs_isa1200);
 
-		rc = vreg_on ? vreg_enable(vregs_isa1200[i]) :
-			  vreg_disable(vregs_isa1200[i]);
-		if (rc < 0) {
-			pr_err("%s: vreg %s %s failed (%d)\n",
-				__func__, vregs_isa1200_name[i],
-			       vreg_on ? "enable" : "disable", rc);
-			goto vreg_fail;
-		}
+	if (rc) {
+		pr_err("%s: could not %sable regulators: %d\n",
+				__func__, vreg_on ? "en" : "dis", rc);
+		goto out;
 	}
 
 	/* vote for DO buffer */
@@ -6661,33 +6392,34 @@
 	return 0;
 
 vreg_fail:
-	while (i)
-		vreg_disable(vregs_isa1200[--i]);
+	if (vreg_on)
+		regulator_bulk_disable(ARRAY_SIZE(regs_isa1200), regs_isa1200);
+	else
+		regulator_bulk_enable(ARRAY_SIZE(regs_isa1200), regs_isa1200);
+out:
 	return rc;
 }
 
 static int isa1200_dev_setup(bool enable)
 {
-	int i, rc;
+	int rc;
 
 	if (enable == true) {
-		for (i = 0; i < ARRAY_SIZE(vregs_isa1200_name); i++) {
-			vregs_isa1200[i] = vreg_get(NULL,
-						vregs_isa1200_name[i]);
-			if (IS_ERR(vregs_isa1200[i])) {
-				pr_err("%s: vreg get %s failed (%ld)\n",
-					__func__, vregs_isa1200_name[i],
-					PTR_ERR(vregs_isa1200[i]));
-				rc = PTR_ERR(vregs_isa1200[i]);
-				goto vreg_get_fail;
-			}
-			rc = vreg_set_level(vregs_isa1200[i],
-					vregs_isa1200_val[i]);
-			if (rc) {
-				pr_err("%s: vreg_set_level() = %d\n",
+		rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_isa1200),
+				regs_isa1200);
+
+		if (rc) {
+			pr_err("%s: could not get regulators: %d\n",
 					__func__, rc);
-				goto vreg_get_fail;
-			}
+			goto out;
+		}
+
+		rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_isa1200),
+				regs_isa1200);
+		if (rc) {
+			pr_err("%s: could not set voltages: %d\n",
+					__func__, rc);
+			goto reg_free;
 		}
 
 		rc = gpio_tlmm_config(GPIO_CFG(HAP_LVL_SHFT_MSM_GPIO, 0,
@@ -6696,28 +6428,27 @@
 		if (rc) {
 			pr_err("%s: Could not configure gpio %d\n",
 					__func__, HAP_LVL_SHFT_MSM_GPIO);
-			goto vreg_get_fail;
+			goto reg_free;
 		}
 
 		rc = gpio_request(HAP_LVL_SHFT_MSM_GPIO, "haptics_shft_lvl_oe");
 		if (rc) {
 			pr_err("%s: unable to request gpio %d (%d)\n",
 					__func__, HAP_LVL_SHFT_MSM_GPIO, rc);
-			goto vreg_get_fail;
+			goto reg_free;
 		}
 
 		gpio_set_value(HAP_LVL_SHFT_MSM_GPIO, 1);
 	} else {
-		for (i = 0; i < ARRAY_SIZE(vregs_isa1200_name); i++)
-			vreg_put(vregs_isa1200[i]);
-
+		regulator_bulk_free(ARRAY_SIZE(regs_isa1200), regs_isa1200);
 		gpio_free(HAP_LVL_SHFT_MSM_GPIO);
 	}
 
 	return 0;
-vreg_get_fail:
-	while (i)
-		vreg_put(vregs_isa1200[--i]);
+
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(regs_isa1200), regs_isa1200);
+out:
 	return rc;
 }
 static struct isa1200_platform_data isa1200_1_pdata = {
@@ -6777,69 +6508,48 @@
 	}
 };
 
-static const char *vregs_tma300_name[] = {
-	"gp6",
-	"gp7",
+static struct regulator_bulk_data regs_tma300[] = {
+	{ .supply = "gp6", .min_uV = 3050000, .max_uV = 3100000 },
+	{ .supply = "gp7", .min_uV = 1800000, .max_uV = 1800000 },
 };
 
-static const int vregs_tma300_val[] = {
-	3050,
-	1800,
-};
-static struct vreg *vregs_tma300[ARRAY_SIZE(vregs_tma300_name)];
-
 static int tma300_power(int vreg_on)
 {
-	int i, rc = -EINVAL;
+	int rc;
 
-	for (i = 0; i < ARRAY_SIZE(vregs_tma300_name); i++) {
-		/* Never disable gp6 for fluid as lcd has a problem with it */
-		if (!i && !vreg_on)
-			continue;
-		if (!vregs_tma300[i]) {
-			printk(KERN_ERR "%s: vreg_get %s failed (%d)\n",
-				__func__, vregs_tma300_name[i], rc);
-			return rc;
-		}
+	rc = vreg_on ?
+		regulator_bulk_enable(ARRAY_SIZE(regs_tma300), regs_tma300) :
+		regulator_bulk_disable(ARRAY_SIZE(regs_tma300), regs_tma300);
 
-		rc = vreg_on ? vreg_enable(vregs_tma300[i]) :
-			  vreg_disable(vregs_tma300[i]);
-		if (rc < 0) {
-			printk(KERN_ERR "%s: vreg %s %s failed (%d)\n",
-				__func__, vregs_tma300_name[i],
-			       vreg_on ? "enable" : "disable", rc);
-			return rc;
-		}
-	}
-
-	return 0;
+	if (rc)
+		pr_err("%s: could not %sable regulators: %d\n",
+				__func__, vreg_on ? "en" : "dis", rc);
+	return rc;
 }
 
 #define TS_GPIO_IRQ 150
 
 static int tma300_dev_setup(bool enable)
 {
-	int i, rc;
+	int rc;
 
 	if (enable) {
-		/* get voltage sources */
-		for (i = 0; i < ARRAY_SIZE(vregs_tma300_name); i++) {
-			vregs_tma300[i] = vreg_get(NULL, vregs_tma300_name[i]);
-			if (IS_ERR(vregs_tma300[i])) {
-				pr_err("%s: vreg get %s failed (%ld)\n",
-					__func__, vregs_tma300_name[i],
-					PTR_ERR(vregs_tma300[i]));
-				rc = PTR_ERR(vregs_tma300[i]);
-				goto vreg_get_fail;
-			}
-			rc = vreg_set_level(vregs_tma300[i],
-					vregs_tma300_val[i]);
-			if (rc) {
-				pr_err("%s: vreg_set_level() = %d\n",
+		rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_tma300),
+				regs_tma300);
+
+		if (rc) {
+			pr_err("%s: could not get regulators: %d\n",
 					__func__, rc);
-				i++;
-				goto vreg_get_fail;
-			}
+			goto out;
+		}
+
+		rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_tma300),
+				regs_tma300);
+
+		if (rc) {
+			pr_err("%s: could not set voltages: %d\n",
+					__func__, rc);
+			goto reg_free;
 		}
 
 		/* enable interrupt gpio */
@@ -6848,7 +6558,7 @@
 		if (rc) {
 			pr_err("%s: Could not configure gpio %d\n",
 					__func__, TS_GPIO_IRQ);
-			goto vreg_get_fail;
+			goto reg_free;
 		}
 
 		/* virtual keys */
@@ -6856,23 +6566,20 @@
 		properties_kobj = kobject_create_and_add("board_properties",
 					NULL);
 		if (!properties_kobj) {
-			pr_err("%s: failed to create a kobject"
-					"for board_properites\n", __func__);
+			pr_err("%s: failed to create a kobject "
+					"for board_properties\n", __func__);
 			rc = -ENOMEM;
-			goto vreg_get_fail;
+			goto reg_free;
 		}
 		rc = sysfs_create_group(properties_kobj,
 				&tma300_properties_attr_group);
 		if (rc) {
 			pr_err("%s: failed to create a sysfs entry %s\n",
 					__func__, tma300_vkeys_attr.attr.name);
-			kobject_put(properties_kobj);
-			goto vreg_get_fail;
+			goto kobj_free;
 		}
 	} else {
-		/* put voltage sources */
-		for (i = 0; i < ARRAY_SIZE(vregs_tma300_name); i++)
-			vreg_put(vregs_tma300[i]);
+		regulator_bulk_free(ARRAY_SIZE(regs_tma300), regs_tma300);
 		/* destroy virtual keys */
 		if (properties_kobj) {
 			sysfs_remove_group(properties_kobj,
@@ -6882,9 +6589,12 @@
 	}
 	return 0;
 
-vreg_get_fail:
-	while (i)
-		vreg_put(vregs_tma300[--i]);
+kobj_free:
+	kobject_put(properties_kobj);
+	properties_kobj = NULL;
+reg_free:
+	regulator_bulk_free(ARRAY_SIZE(regs_tma300), regs_tma300);
+out:
 	return rc;
 }
 
@@ -6995,6 +6705,9 @@
 			ARRAY_SIZE(lcdc_toshiba_spi_board_info));
 #endif
 
+	atv_dac_power_init();
+	sensors_ldo_init();
+	hdmi_init_regs();
 	msm_fb_add_devices();
 	msm_pm_set_platform_data(msm_pm_data, ARRAY_SIZE(msm_pm_data));
 	BUG_ON(msm_pm_boot_init(MSM_PM_BOOT_CONFIG_RESET_VECTOR,
@@ -7005,6 +6718,7 @@
 	msm7x30_init_marimba();
 #ifdef CONFIG_MSM7KV2_AUDIO
 	snddev_poweramp_gpio_init();
+	snddev_hsed_voltage_init();
 	aux_pcm_gpio_init();
 #endif