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Date: Tue, 24 Apr 2012 09:52:32 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@...vell.com>,
Liam Girdwood <lrg@...com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
"Jett.Zhou" <jtzhou@...vell.com>
Subject: [PATCH RFT 1/3] regulator: 88pm8607: Use
regulator_get_voltage_sel_regmap()
Signed-off-by: Axel Lin <axel.lin@...il.com>
---
drivers/regulator/88pm8607.c | 36 +++++++++---------------------------
1 files changed, 9 insertions(+), 27 deletions(-)
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index f5de1c5..c3482b9 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -27,8 +27,6 @@ struct pm8607_regulator_info {
unsigned int *vol_table;
unsigned int *vol_suspend;
- int vol_reg;
- int vol_shift;
int update_reg;
int update_bit;
int slope_double;
@@ -224,13 +222,13 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
+ uint8_t val;
int ret;
- val = (uint8_t)(selector << info->vol_shift);
- mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
+ val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
- ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
+ ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, val);
if (ret)
return ret;
switch (info->desc.id) {
@@ -244,26 +242,10 @@ static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
return ret;
}
-static int pm8607_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
- int ret;
-
- ret = pm860x_reg_read(info->i2c, info->vol_reg);
- if (ret < 0)
- return ret;
-
- mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
- val = ((unsigned char)ret & mask) >> info->vol_shift;
-
- return val;
-}
-
static struct regulator_ops pm8607_regulator_ops = {
.list_voltage = pm8607_list_voltage,
.set_voltage_sel = pm8607_set_voltage_sel,
- .get_voltage_sel = pm8607_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
@@ -278,11 +260,11 @@ static struct regulator_ops pm8607_regulator_ops = {
.id = PM8607_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ARRAY_SIZE(vreg##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
.enable_reg = PM8607_##ereg, \
.enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (0), \
.update_reg = PM8607_##ureg, \
.update_bit = (ubit), \
.slope_double = (0), \
@@ -299,11 +281,11 @@ static struct regulator_ops pm8607_regulator_ops = {
.id = PM8607_ID_LDO##_id, \
.owner = THIS_MODULE, \
.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
.enable_reg = PM8607_##ereg, \
.enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (shift), \
.slope_double = (0), \
.vol_table = (unsigned int *)&LDO##_id##_table, \
.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
--
1.7.5.4
--
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