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Date: Wed, 13 Jun 2012 17:28:18 +0900
From: Sangbeom Kim <sbkim73@...sung.com>
To: 'Mark Brown' <broonie@...nsource.wolfsonmicro.com>,
'Liam Girdwood' <lrg@...com>
Cc: linux-kernel@...r.kernel.org, sbkim01@...il.com
Subject: [PATCH 4/5] regulator: Replace set_voltage with set_voltage_sel
To apply delay time for voltage change,
replace s5m8767_set_voltage with s5m8767_set_voltage_sel.
Signed-off-by: Sangbeom Kim <sbkim73@...sung.com>
---
drivers/regulator/s5m8767.c | 38 ++++++++++++++------------------------
1 files changed, 14 insertions(+), 24 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 924968a..770e4df 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -357,32 +357,34 @@ static int s5m8767_convert_voltage_to_sel(
return selector;
}
-static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
+static inline int s5m8767_set_high(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
+
+ return 0;
}
-static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
+static inline int s5m8767_set_low(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
+
+ return 0;
}
-static int s5m8767_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int s5m8767_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
- const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
- int sel, reg, mask, ret = 0, old_index, index = 0;
- u8 val;
+ int reg, mask, ret = 0, old_index, index = 0;
u8 *buck234_vol = NULL;
switch (reg_id) {
@@ -407,15 +409,9 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- desc = reg_voltage_map[reg_id];
-
- sel = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
- if (sel < 0)
- return sel;
-
/* buck234_vol != NULL means to control buck234 voltage via DVS GPIO */
if (buck234_vol) {
- while (*buck234_vol != sel) {
+ while (*buck234_vol != selector) {
buck234_vol++;
index++;
}
@@ -423,22 +419,16 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
s5m8767->buck_gpioindex = index;
if (index > old_index)
- s5m8767_set_high(s5m8767);
+ return s5m8767_set_high(s5m8767);
else
- s5m8767_set_low(s5m8767);
+ return s5m8767_set_low(s5m8767);
} else {
ret = s5m8767_get_voltage_register(rdev, ®);
if (ret)
return ret;
- s5m_reg_read(s5m8767->iodev, reg, &val);
- val = (val & ~mask) | sel;
-
- ret = s5m_reg_write(s5m8767->iodev, reg, val);
+ return s5m_reg_update(s5m8767->iodev, reg, selector, mask);
}
-
- *selector = sel;
- return ret;
}
static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
@@ -463,7 +453,7 @@ static struct regulator_ops s5m8767_ops = {
.enable = s5m8767_reg_enable,
.disable = s5m8767_reg_disable,
.get_voltage_sel = s5m8767_get_voltage_sel,
- .set_voltage = s5m8767_set_voltage,
+ .set_voltage_sel = s5m8767_set_voltage_sel,
.set_voltage_time_sel = s5m8767_set_voltage_time_sel,
};
--
1.7.1
--
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