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* [RFT][PATCH 1/3] regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable
@ 2013-02-16  6:36 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
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Axel Lin @ 2013-02-16  6:36 UTC (permalink / raw)
  To: Mark Brown; +Cc: Haojian Zhuang, Jett.Zhou, Liam Girdwood, linux-kernel

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




^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [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

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

* Re: [RFT][PATCH 2/3] regulator: 88pm8607: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs
  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
@ 2013-02-17  1:39   ` Haojian Zhuang
  0 siblings, 0 replies; 6+ messages in thread
From: Haojian Zhuang @ 2013-02-17  1:39 UTC (permalink / raw)
  To: Axel Lin; +Cc: Mark Brown, Jett.Zhou, Liam Girdwood, linux-kernel

On Sat, Feb 16, 2013 at 2:37 PM, Axel Lin <axel.lin@ingics.com> wrote:
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>  drivers/regulator/88pm8607.c |   36 ++++--------------------------------
>  1 file changed, 4 insertions(+), 32 deletions(-)
>

Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [RFT][PATCH 3/3] regulator: max8649: Use enable_is_inverted flag with regulator_enable_regmap and friends APIs
  2013-02-16  6:38 ` [RFT][PATCH 3/3] regulator: max8649: " Axel Lin
@ 2013-02-17  1:39   ` Haojian Zhuang
  0 siblings, 0 replies; 6+ messages in thread
From: Haojian Zhuang @ 2013-02-17  1:39 UTC (permalink / raw)
  To: Axel Lin; +Cc: Mark Brown, Jett.Zhou, Liam Girdwood, linux-kernel

On Sat, Feb 16, 2013 at 2:38 PM, Axel Lin <axel.lin@ingics.com> wrote:
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>  drivers/regulator/max8649.c |   39 ++++++---------------------------------
>  1 file changed, 6 insertions(+), 33 deletions(-)
>

Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-02-17  1:39 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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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
2013-02-17  1:39   ` Haojian Zhuang
2013-02-16  6:38 ` [RFT][PATCH 3/3] regulator: max8649: " 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

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