From 546e78452a3f81eb45ae5c671c71db05389d42c8 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 19 Mar 2012 12:22:10 +0800 Subject: regulator: Fix setting new voltage in s5m8767_set_voltage Current code does not really update the register with new value, fix it. I rename the variable i to sel for better readability. Signed-off-by: Axel Lin Acked-by: Sangbeom Kim Signed-off-by: Mark Brown --- drivers/regulator/s5m8767.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/regulator/s5m8767.c') diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 58447db15de1..4ca2db059004 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -311,8 +311,7 @@ static int s5m8767_set_voltage(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 reg, mask, ret; - int i; + int sel, reg, mask, ret; u8 val; switch (reg_id) { @@ -333,19 +332,20 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev, desc = reg_voltage_map[reg_id]; - i = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV); - if (i < 0) - return i; + sel = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV); + if (sel < 0) + return sel; ret = s5m8767_get_voltage_register(rdev, ®); if (ret) return ret; s5m_reg_read(s5m8767->iodev, reg, &val); - val = val & mask; + val &= ~mask; + val |= sel; ret = s5m_reg_write(s5m8767->iodev, reg, val); - *selector = i; + *selector = sel; return ret; } -- cgit v1.2.3