diff options
| author | Axel Lin <axel.lin@gmail.com> | 2012-03-10 10:59:43 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-14 14:10:41 +0000 |
| commit | 0a41685fd58f8a4fe097449063764420ebb7ed93 (patch) | |
| tree | 1066a384af8f2b0678b6a702508da899e1665d34 /drivers/regulator/s5m8767.c | |
| parent | 6c4efe2474d233f439540f1fa364d8a7e48c5cdf (diff) | |
| download | linux-0a41685fd58f8a4fe097449063764420ebb7ed93.tar.bz2 | |
regulator: Make s5m8767_get_voltage_register always return correct register
Check s5m8767->buck[2|3|4]_gpiodvs status in s5m8767_get_voltage_register
and return correct register accordingly.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/s5m8767.c')
| -rw-r--r-- | drivers/regulator/s5m8767.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 611d02d70b6d..58447db15de1 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -219,6 +219,7 @@ static int s5m8767_reg_disable(struct regulator_dev *rdev) static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg) { + struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int reg_id = rdev_get_id(rdev); int reg; @@ -234,12 +235,18 @@ static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg) break; case S5M8767_BUCK2: reg = S5M8767_REG_BUCK2DVS1; + if (s5m8767->buck2_gpiodvs) + reg += s5m8767->buck_gpioindex; break; case S5M8767_BUCK3: reg = S5M8767_REG_BUCK3DVS1; + if (s5m8767->buck3_gpiodvs) + reg += s5m8767->buck_gpioindex; break; case S5M8767_BUCK4: reg = S5M8767_REG_BUCK4DVS1; + if (s5m8767->buck4_gpiodvs) + reg += s5m8767->buck_gpioindex; break; case S5M8767_BUCK5: reg = S5M8767_REG_BUCK5CTRL2; @@ -259,7 +266,7 @@ static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg) static int s5m8767_get_voltage_sel(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); - int reg, mask = 0xff, ret; + int reg, mask, ret; int reg_id = rdev_get_id(rdev); u8 val; @@ -267,23 +274,7 @@ static int s5m8767_get_voltage_sel(struct regulator_dev *rdev) if (ret) return ret; - switch (reg_id) { - case S5M8767_LDO1 ... S5M8767_LDO28: - mask = 0x3f; - break; - case S5M8767_BUCK2: - if (s5m8767->buck2_gpiodvs) - reg += s5m8767->buck_gpioindex; - break; - case S5M8767_BUCK3: - if (s5m8767->buck3_gpiodvs) - reg += s5m8767->buck_gpioindex; - break; - case S5M8767_BUCK4: - if (s5m8767->buck4_gpiodvs) - reg += s5m8767->buck_gpioindex; - break; - } + mask = (reg_id < S5M8767_BUCK1) ? 0x3f : 0xff; ret = s5m_reg_read(s5m8767->iodev, reg, &val); if (ret) |