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Message-ID: <1331730914.12069.2.camel@phoenix>
Date: Wed, 14 Mar 2012 21:15:14 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Sangbeom Kim <sbkim73@...sung.com>, Liam Girdwood <lrg@...com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH RFT] regulator: Fix setting new voltage in
s5m8767_set_voltage
Current code does not really update the register with new value, fix it.
Signed-off-by: Axel Lin <axel.lin@...il.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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