Messages in this thread Patch in this message | | | Subject | [PATCH RFT] regulator: Fix setting new voltage in s5m8767_set_voltage | From | Axel Lin <> | Date | Wed, 14 Mar 2012 21:15:14 +0800 |
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Current code does not really update the register with new value, fix it.
Signed-off-by: Axel Lin <axel.lin@gmail.com> --- Hi Sangbeom, I don't have this hardware, can you test it? Thanks, Axel drivers/regulator/s5m8767.c | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 58447db..4ca2db0 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; } -- 1.7.5.4
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