msm_fb: hdmi: change HDMI_PHY_REG1 based on foundry.

Set value of HDMI_PHY_REG1[2:0] for output voltage swing control,
to prevent fallout for Vlow for GF foundry MSM's.

Change-Id: Ifb0f694226896fa1ad74dd84fb489f015901fc3e
Signed-off-by: Abhishek Kharbanda <akharban@codeaurora.org>
Signed-off-by: Mukesh Jha <cmjha@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8930-display.c b/arch/arm/mach-msm/board-8930-display.c
index bb301b3..128540a 100644
--- a/arch/arm/mach-msm/board-8930-display.c
+++ b/arch/arm/mach-msm/board-8930-display.c
@@ -568,6 +568,7 @@
 static int hdmi_cec_power(int on);
 static int hdmi_gpio_config(int on);
 static int hdmi_panel_power(int on);
+static bool hdmi_platform_foundry(void);
 
 static struct msm_hdmi_platform_data hdmi_msm_data = {
 	.irq = HDMI_IRQ,
@@ -576,6 +577,7 @@
 	.cec_power = hdmi_cec_power,
 	.panel_power = hdmi_panel_power,
 	.gpio_config = hdmi_gpio_config,
+	.foundry = hdmi_platform_foundry,
 };
 
 static struct platform_device hdmi_msm_device = {
@@ -836,6 +838,12 @@
 	pr_debug("%s: HDMI Core: %s Success\n", __func__, (on ? "ON" : "OFF"));
 	return rc;
 }
+
+static bool hdmi_platform_foundry(void)
+{
+	return cpu_is_msm8930ab() ? true : false ;
+}
+
 #endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL */
 
 void __init msm8930_init_fb(void)
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 46b12e2..dffe417 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -492,6 +492,7 @@
 	int (*gpio_config)(int on);
 	int (*init_irq)(void);
 	bool (*check_hdcp_hw_support)(void);
+	bool (*foundry)(void);
 	bool is_mhl_enabled;
 };