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| author | Axel Lin <axel.lin@gmail.com> | 2012-04-11 13:58:09 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-13 09:54:45 +0100 |
| commit | 7b4354b46564a2224e624429f2f6eba3a2f99000 (patch) | |
| tree | 509f74b2f4a5c6e4d4ca930b2e4cc88a202fe098 /drivers/regulator/max8998.c | |
| parent | b6f476c2c12d19b48364c9b0c818182280c2d1ae (diff) | |
| download | linux-7b4354b46564a2224e624429f2f6eba3a2f99000.tar.gz linux-7b4354b46564a2224e624429f2f6eba3a2f99000.tar.bz2 linux-7b4354b46564a2224e624429f2f6eba3a2f99000.zip | |
regulator: Convert max8998 to get_voltage_sel
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/max8998.c')
| -rw-r--r-- | drivers/regulator/max8998.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 7e831a94bf84..c96b87abf335 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -277,7 +277,7 @@ static int max8998_get_voltage_register(struct regulator_dev *rdev, return 0; } -static int max8998_get_voltage(struct regulator_dev *rdev) +static int max8998_get_voltage_sel(struct regulator_dev *rdev) { struct max8998_data *max8998 = rdev_get_drvdata(rdev); struct i2c_client *i2c = max8998->iodev->i2c; @@ -295,7 +295,7 @@ static int max8998_get_voltage(struct regulator_dev *rdev) val >>= shift; val &= mask; - return max8998_list_voltage(rdev, val); + return val; } static int max8998_set_voltage_ldo(struct regulator_dev *rdev, @@ -359,7 +359,7 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev, const struct voltage_map_desc *desc; int buck = rdev_get_id(rdev); int reg, shift = 0, mask, ret; - int difference = 0, i, j = 0, previous_vol = 0; + int difference, i, j, previous_sel; u8 val = 0; static u8 buck1_last_val; @@ -388,13 +388,14 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev, if (ret) return ret; - previous_vol = max8998_get_voltage(rdev); + previous_sel = max8998_get_voltage_sel(rdev); /* Check if voltage needs to be changed */ /* if previous_voltage equal new voltage, return */ - if (previous_vol == max8998_list_voltage(rdev, i)) { + if (previous_sel == i) { dev_dbg(max8998->dev, "No voltage change, old:%d, new:%d\n", - previous_vol, max8998_list_voltage(rdev, i)); + max8998_list_voltage(rdev, previous_sel), + max8998_list_voltage(rdev, i)); return ret; } @@ -491,7 +492,7 @@ buck2_exit: if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP)) return ret; - difference = desc->min + desc->step*i - previous_vol/1000; + difference = (i - previous_sel) * desc->step; if (difference > 0) udelay(difference / ((val & 0x0f) + 1)); @@ -503,7 +504,7 @@ static struct regulator_ops max8998_ldo_ops = { .is_enabled = max8998_ldo_is_enabled, .enable = max8998_ldo_enable, .disable = max8998_ldo_disable, - .get_voltage = max8998_get_voltage, + .get_voltage_sel = max8998_get_voltage_sel, .set_voltage = max8998_set_voltage_ldo, .set_suspend_enable = max8998_ldo_enable, .set_suspend_disable = max8998_ldo_disable, @@ -514,7 +515,7 @@ static struct regulator_ops max8998_buck_ops = { .is_enabled = max8998_ldo_is_enabled, .enable = max8998_ldo_enable, .disable = max8998_ldo_disable, - .get_voltage = max8998_get_voltage, + .get_voltage_sel = max8998_get_voltage_sel, .set_voltage = max8998_set_voltage_buck, .set_suspend_enable = max8998_ldo_enable, .set_suspend_disable = max8998_ldo_disable, |