power: pm8xxx-ccadc: remove support for pm8921 v1.0 and v1.1
This ccadc module is reused in multiple pmics. It is now unnecessary
to check for 8921 versions in the driver. As a result of this change
older 8921 versions are not supported.
CRs-Fixed: 372679
Change-Id: I2114f9428e2ba1a29c2bc9caaaa75106caf1dfc3
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
diff --git a/drivers/power/pm8xxx-ccadc.c b/drivers/power/pm8xxx-ccadc.c
index ef31575..861bac8 100644
--- a/drivers/power/pm8xxx-ccadc.c
+++ b/drivers/power/pm8xxx-ccadc.c
@@ -79,27 +79,10 @@
static struct pm8xxx_ccadc_chip *the_chip;
#ifdef DEBUG
-static s64 microvolt_to_ccadc_reading_v1(s64 uv)
-{
- return div_s64(uv * CCADC_READING_RESOLUTION_D_V1,
- CCADC_READING_RESOLUTION_N_V1);
-}
-
-static s64 microvolt_to_ccadc_reading_v2(s64 uv)
-{
- return div_s64(uv * CCADC_READING_RESOLUTION_D_V2,
- CCADC_READING_RESOLUTION_N_V2);
-}
-
static s64 microvolt_to_ccadc_reading(struct pm8xxx_ccadc_chip *chip, s64 cc)
{
- /*
- * resolution (the value of a single bit) was changed after revision 2.0
- * for more accurate readings
- */
- return (the_chip->revision < PM8XXX_REVISION_8921_2p0) ?
- microvolt_to_ccadc_reading_v1((s64)cc) :
- microvolt_to_ccadc_reading_v2((s64)cc);
+ return div_s64(uv * CCADC_READING_RESOLUTION_D,
+ CCADC_READING_RESOLUTION_N);
}
#endif
diff --git a/include/linux/mfd/pm8xxx/ccadc.h b/include/linux/mfd/pm8xxx/ccadc.h
index 0bd4cc3..29f7a62 100644
--- a/include/linux/mfd/pm8xxx/ccadc.h
+++ b/include/linux/mfd/pm8xxx/ccadc.h
@@ -27,32 +27,13 @@
unsigned int calib_delay_ms;
};
-#define CCADC_READING_RESOLUTION_N_V1 1085069
-#define CCADC_READING_RESOLUTION_D_V1 100000
-#define CCADC_READING_RESOLUTION_N_V2 542535
-#define CCADC_READING_RESOLUTION_D_V2 100000
-
-static s64 pm8xxx_ccadc_reading_to_microvolt_v1(s64 cc)
-{
- return div_s64(cc * CCADC_READING_RESOLUTION_N_V1,
- CCADC_READING_RESOLUTION_D_V1);
-}
-
-static s64 pm8xxx_ccadc_reading_to_microvolt_v2(s64 cc)
-{
- return div_s64(cc * CCADC_READING_RESOLUTION_N_V2,
- CCADC_READING_RESOLUTION_D_V2);
-}
+#define CCADC_READING_RESOLUTION_N 542535
+#define CCADC_READING_RESOLUTION_D 100000
static inline s64 pm8xxx_ccadc_reading_to_microvolt(int revision, s64 cc)
{
- /*
- * resolution (the value of a single bit) was changed after revision 2.0
- * for more accurate readings
- */
- return (revision < PM8XXX_REVISION_8921_2p0) ?
- pm8xxx_ccadc_reading_to_microvolt_v1((s64)cc) :
- pm8xxx_ccadc_reading_to_microvolt_v2((s64)cc);
+ return div_s64(cc * CCADC_READING_RESOLUTION_N,
+ CCADC_READING_RESOLUTION_D);
}
#if defined(CONFIG_PM8XXX_CCADC) || defined(CONFIG_PM8XXX_CCADC_MODULE)