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path: root/drivers/regulator/cpcap-regulator.c
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Diffstat (limited to 'drivers/regulator/cpcap-regulator.c')
-rw-r--r--drivers/regulator/cpcap-regulator.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/regulator/cpcap-regulator.c b/drivers/regulator/cpcap-regulator.c
index cc98aceed1c1..f541b80f1b54 100644
--- a/drivers/regulator/cpcap-regulator.c
+++ b/drivers/regulator/cpcap-regulator.c
@@ -77,6 +77,8 @@
#define CPCAP_BIT_VAUDIO_MODE0 BIT(1)
#define CPCAP_BIT_V_AUDIO_EN BIT(0)
+#define CPCAP_BIT_AUDIO_NORMAL_MODE 0x00
+
/*
* Off mode configuration bit. Used currently only by SW5 on omap4. There's
* the following comment in Motorola Linux kernel tree for it:
@@ -121,6 +123,7 @@ struct cpcap_regulator {
.enable_val = (mode_val), \
.disable_val = (off_val), \
.ramp_delay = (volt_trans_time), \
+ .of_map_mode = cpcap_map_mode, \
}, \
.assign_reg = (assignment_reg), \
.assign_mask = (assignment_mask), \
@@ -211,13 +214,25 @@ static int cpcap_regulator_disable(struct regulator_dev *rdev)
return error;
}
+static unsigned int cpcap_map_mode(unsigned int mode)
+{
+ switch (mode) {
+ case CPCAP_BIT_AUDIO_NORMAL_MODE:
+ return REGULATOR_MODE_NORMAL;
+ case CPCAP_BIT_AUDIO_LOW_PWR:
+ return REGULATOR_MODE_STANDBY;
+ default:
+ return -EINVAL;
+ }
+}
+
static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev)
{
int value;
regmap_read(rdev->regmap, rdev->desc->enable_reg, &value);
- if (!(value & CPCAP_BIT_AUDIO_LOW_PWR))
+ if (value & CPCAP_BIT_AUDIO_LOW_PWR)
return REGULATOR_MODE_STANDBY;
return REGULATOR_MODE_NORMAL;
@@ -230,10 +245,10 @@ static int cpcap_regulator_set_mode(struct regulator_dev *rdev,
switch (mode) {
case REGULATOR_MODE_NORMAL:
- value = CPCAP_BIT_AUDIO_LOW_PWR;
+ value = CPCAP_BIT_AUDIO_NORMAL_MODE;
break;
case REGULATOR_MODE_STANDBY:
- value = 0;
+ value = CPCAP_BIT_AUDIO_LOW_PWR;
break;
default:
return -EINVAL;