* [RFT][PATCH 2/3] regulator: 88pm8607: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs
2013-02-16 6:36 [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable Axel Lin
@ 2013-02-16 6:37 ` Axel Lin
2013-02-17 1:39 ` Haojian Zhuang
2013-02-16 6:38 ` [RFT][PATCH 3/3] regulator: max8649: " Axel Lin
2013-02-17 1:38 ` [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable Haojian Zhuang
2 siblings, 1 reply; 6+ messages in thread
From: Axel Lin @ 2013-02-16 6:37 UTC (permalink / raw)
To: Mark Brown; +Cc: Haojian Zhuang, Jett.Zhou, Liam Girdwood, linux-kernel
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/88pm8607.c | 36 ++++--------------------------------
1 file changed, 4 insertions(+), 32 deletions(-)
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index c79ab84..493948a 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -220,35 +220,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
return ret;
}
-static int pm8606_preg_enable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
- 1 << rdev->desc->enable_mask, 0);
-}
-
-static int pm8606_preg_disable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
- 1 << rdev->desc->enable_mask,
- 1 << rdev->desc->enable_mask);
-}
-
-static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- int ret;
-
- ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg);
- if (ret < 0)
- return ret;
-
- return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
-}
-
static struct regulator_ops pm8607_regulator_ops = {
.list_voltage = pm8607_list_voltage,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
@@ -259,9 +230,9 @@ static struct regulator_ops pm8607_regulator_ops = {
};
static struct regulator_ops pm8606_preg_ops = {
- .enable = pm8606_preg_enable,
- .disable = pm8606_preg_disable,
- .is_enabled = pm8606_preg_is_enabled,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
};
#define PM8606_PREG(ereg, ebit) \
@@ -274,6 +245,7 @@ static struct regulator_ops pm8606_preg_ops = {
.owner = THIS_MODULE, \
.enable_reg = PM8606_##ereg, \
.enable_mask = (ebit), \
+ .enable_is_inverted = true, \
}, \
}
--
1.7.9.5
^ permalink raw reply related [flat|nested] 6+ messages in thread* [RFT][PATCH 3/3] regulator: max8649: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs
2013-02-16 6:36 [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable Axel Lin
2013-02-16 6:37 ` [RFT][PATCH 2/3] regulator: 88pm8607: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs Axel Lin
@ 2013-02-16 6:38 ` Axel Lin
2013-02-17 1:39 ` Haojian Zhuang
2013-02-17 1:38 ` [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable Haojian Zhuang
2 siblings, 1 reply; 6+ messages in thread
From: Axel Lin @ 2013-02-16 6:38 UTC (permalink / raw)
To: Mark Brown; +Cc: Haojian Zhuang, Jett.Zhou, Liam Girdwood, linux-kernel
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/max8649.c | 39 ++++++---------------------------------
1 file changed, 6 insertions(+), 33 deletions(-)
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 3ca1438..fdb67ff 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -60,36 +60,6 @@ struct max8649_regulator_info {
unsigned ramp_down:1;
};
-/* EN_PD means pulldown on EN input */
-static int max8649_enable(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD, 0);
-}
-
-/*
- * Applied internal pulldown resistor on EN input pin.
- * If pulldown EN pin outside, it would be better.
- */
-static int max8649_disable(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD,
- MAX8649_EN_PD);
-}
-
-static int max8649_is_enabled(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- unsigned int val;
- int ret;
-
- ret = regmap_read(info->regmap, MAX8649_CONTROL, &val);
- if (ret != 0)
- return ret;
- return !((unsigned char)val & MAX8649_EN_PD);
-}
-
static int max8649_enable_time(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
@@ -151,9 +121,9 @@ static struct regulator_ops max8649_dcdc_ops = {
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
- .enable = max8649_enable,
- .disable = max8649_disable,
- .is_enabled = max8649_is_enabled,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
.enable_time = max8649_enable_time,
.set_mode = max8649_set_mode,
.get_mode = max8649_get_mode,
@@ -169,6 +139,9 @@ static struct regulator_desc dcdc_desc = {
.vsel_mask = MAX8649_VOL_MASK,
.min_uV = MAX8649_DCDC_VMIN,
.uV_step = MAX8649_DCDC_STEP,
+ .enable_reg = MAX8649_CONTROL,
+ .enable_mask = MAX8649_EN_PD,
+ .enable_is_inverted = true,
};
static struct regmap_config max8649_regmap_config = {
--
1.7.9.5
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable
2013-02-16 6:36 [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable Axel Lin
2013-02-16 6:37 ` [RFT][PATCH 2/3] regulator: 88pm8607: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs Axel Lin
2013-02-16 6:38 ` [RFT][PATCH 3/3] regulator: max8649: " Axel Lin
@ 2013-02-17 1:38 ` Haojian Zhuang
2 siblings, 0 replies; 6+ messages in thread
From: Haojian Zhuang @ 2013-02-17 1:38 UTC (permalink / raw)
To: Axel Lin; +Cc: Mark Brown, Jett.Zhou, Liam Girdwood,
linux-kernel@vger.kernel.org
On Sat, Feb 16, 2013 at 2:36 PM, Axel Lin <axel.lin@ingics.com> wrote:
> Add enable_is_inverted flag to indicate set enable_mask bits to disable
> when using regulator_enable_regmap and friends APIs.
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
> drivers/regulator/core.c | 24 ++++++++++++++++++++----
> include/linux/regulator/driver.h | 3 +++
> 2 files changed, 23 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> index da9782b..142205b 100644
> --- a/drivers/regulator/core.c
> +++ b/drivers/regulator/core.c
> @@ -1794,7 +1794,10 @@ int regulator_is_enabled_regmap(struct regulator_dev *rdev)
> if (ret != 0)
> return ret;
>
> - return (val & rdev->desc->enable_mask) != 0;
> + if (rdev->desc->enable_is_inverted)
> + return (val & rdev->desc->enable_mask) == 0;
> + else
> + return (val & rdev->desc->enable_mask) != 0;
> }
> EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
>
> @@ -1809,9 +1812,15 @@ EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
> */
> int regulator_enable_regmap(struct regulator_dev *rdev)
> {
> + unsigned int val;
> +
> + if (rdev->desc->enable_is_inverted)
> + val = 0;
> + else
> + val = rdev->desc->enable_mask;
> +
> return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
> - rdev->desc->enable_mask,
> - rdev->desc->enable_mask);
> + rdev->desc->enable_mask, val);
> }
> EXPORT_SYMBOL_GPL(regulator_enable_regmap);
>
> @@ -1826,8 +1835,15 @@ EXPORT_SYMBOL_GPL(regulator_enable_regmap);
> */
> int regulator_disable_regmap(struct regulator_dev *rdev)
> {
> + unsigned int val;
> +
> + if (rdev->desc->enable_is_inverted)
> + val = rdev->desc->enable_mask;
> + else
> + val = 0;
> +
> return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
> - rdev->desc->enable_mask, 0);
> + rdev->desc->enable_mask, val);
> }
> EXPORT_SYMBOL_GPL(regulator_disable_regmap);
>
> diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
> index 23070fd..074b57e 100644
> --- a/include/linux/regulator/driver.h
> +++ b/include/linux/regulator/driver.h
> @@ -199,6 +199,8 @@ enum regulator_type {
> * output when using regulator_set_voltage_sel_regmap
> * @enable_reg: Register for control when using regmap enable/disable ops
> * @enable_mask: Mask for control when using regmap enable/disable ops
> + * @enable_is_inverted: A flag to indicate set enable_mask bits to disable
> + * when using regulator_enable_regmap and friends APIs.
> *
> * @enable_time: Time taken for initial enable of regulator (in uS).
> */
> @@ -226,6 +228,7 @@ struct regulator_desc {
> unsigned int apply_bit;
> unsigned int enable_reg;
> unsigned int enable_mask;
> + bool enable_is_inverted;
> unsigned int bypass_reg;
> unsigned int bypass_mask;
>
> --
> 1.7.9.5
>
>
>
Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com>
^ permalink raw reply [flat|nested] 6+ messages in thread