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| author | Axel Lin <axel.lin@gmail.com> | 2012-02-24 14:52:45 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-11 20:48:45 +0000 |
| commit | 89e0f0e40002e0d95b7be079fa2c2133304ce09f (patch) | |
| tree | 195a191c2a0ea04e17f9b8daff8d5827ed495273 | |
| parent | 0757b6020f5aaa9f770068ca0396c0ea5cb0740d (diff) | |
| download | linux-89e0f0e40002e0d95b7be079fa2c2133304ce09f.tar.bz2 | |
regulator: Fix the logic of s5m8767_set_voltage_time_sel
This patch includes below fixes:
1. The mask variable is not used at all here, remove it.
2. We already have the new_sel and old_sel, simply returns the delay by:
DIV_ROUND_UP(desc->step * (new_sel - old_sel), s5m8767->ramp_delay);
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/regulator/s5m8767.c | 30 |
1 files changed, 2 insertions, 28 deletions
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 2fb2adddd482..9b97aa36b7cc 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -452,39 +452,13 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev, struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); const struct s5m_voltage_desc *desc; int reg_id = rdev_get_id(rdev); - int mask; - int new_val, old_val; - switch (reg_id) { - case S5M8767_LDO1 ... S5M8767_LDO28: - mask = 0x3f; - break; - case S5M8767_BUCK1 ... S5M8767_BUCK6: - mask = 0xff; - break; - case S5M8767_BUCK7 ... S5M8767_BUCK8: - return -EINVAL; - case S5M8767_BUCK9: - mask = 0xff; - break; - default: - return -EINVAL; - } desc = reg_voltage_map[reg_id]; - new_val = s5m8767_convert_voltage(desc, new_sel, new_sel); - if (new_val < 0) - return new_val; - - old_val = s5m8767_convert_voltage(desc, old_sel, old_sel); - if (old_val < 0) - return old_val; - if (old_sel < new_sel) - return DIV_ROUND_UP(desc->step * (new_val - old_val), + return DIV_ROUND_UP(desc->step * (new_sel - old_sel), s5m8767->ramp_delay); - else - return 0; + return 0; } static struct regulator_ops s5m8767_ldo_ops = { |