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* [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel
@ 2012-06-08  9:21 Axel Lin
  2012-06-09  4:20 ` Yadwinder Singh Brar
  2012-06-11  4:09 ` Mark Brown
  0 siblings, 2 replies; 3+ messages in thread
From: Axel Lin @ 2012-06-08  9:21 UTC (permalink / raw)
  To: linux-kernel
  Cc: Chiwoong Byun, Jonghwa Lee, Myungjoo Ham, Kyungmin Park,
	Yadwinder Singh Brar, Mark Brown, Liam Girdwood

rdev->desc->uV_step * abs(new_selector - old_selector) returns uV.
The unit of ramp_rate is mV/us.
Thus 1000 should be multiplied.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/regulator/max77686.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index b76a038..10bf65a 100644
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -78,7 +78,7 @@ static int max77686_set_dvs_voltage_time_sel(struct regulator_dev *rdev,
 
 	return DIV_ROUND_UP(rdev->desc->uV_step *
 			    abs(new_selector - old_selector),
-			    ramp_rate[max77686->ramp_delay]);
+			    ramp_rate[max77686->ramp_delay] * 1000);
 }
 
 static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
@@ -86,7 +86,7 @@ static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
 {
 	/* Unconditionally 100 mV/us */
 	return DIV_ROUND_UP(rdev->desc->uV_step *
-			    abs(new_selector - old_selector), 100);
+			    abs(new_selector - old_selector), 100 * 1000);
 }
 
 static struct regulator_ops max77686_ops = {
-- 
1.7.9.5




^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel
  2012-06-08  9:21 [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel Axel Lin
@ 2012-06-09  4:20 ` Yadwinder Singh Brar
  2012-06-11  4:09 ` Mark Brown
  1 sibling, 0 replies; 3+ messages in thread
From: Yadwinder Singh Brar @ 2012-06-09  4:20 UTC (permalink / raw)
  To: Axel Lin
  Cc: linux-kernel, Chiwoong Byun, Jonghwa Lee, Myungjoo Ham,
	Kyungmin Park, Yadwinder Singh Brar, Mark Brown

On Fri, Jun 8, 2012 at 2:51 PM, Axel Lin <axel.lin@gmail.com> wrote:
> rdev->desc->uV_step * abs(new_selector - old_selector) returns uV.
> The unit of ramp_rate is mV/us.
> Thus 1000 should be multiplied.
>
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
>  drivers/regulator/max77686.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
> index b76a038..10bf65a 100644
> --- a/drivers/regulator/max77686.c
> +++ b/drivers/regulator/max77686.c
> @@ -78,7 +78,7 @@ static int max77686_set_dvs_voltage_time_sel(struct regulator_dev *rdev,
>
>        return DIV_ROUND_UP(rdev->desc->uV_step *
>                            abs(new_selector - old_selector),
> -                           ramp_rate[max77686->ramp_delay]);
> +                           ramp_rate[max77686->ramp_delay] * 1000);
>  }
>
>  static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
> @@ -86,7 +86,7 @@ static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
>  {
>        /* Unconditionally 100 mV/us */
>        return DIV_ROUND_UP(rdev->desc->uV_step *
> -                           abs(new_selector - old_selector), 100);
> +                           abs(new_selector - old_selector), 100 * 1000);
>  }
>
>  static struct regulator_ops max77686_ops = {
> --

Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>

Thanks,
Yadwinder.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel
  2012-06-08  9:21 [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel Axel Lin
  2012-06-09  4:20 ` Yadwinder Singh Brar
@ 2012-06-11  4:09 ` Mark Brown
  1 sibling, 0 replies; 3+ messages in thread
From: Mark Brown @ 2012-06-11  4:09 UTC (permalink / raw)
  To: Axel Lin
  Cc: linux-kernel, Chiwoong Byun, Jonghwa Lee, Myungjoo Ham,
	Kyungmin Park, Yadwinder Singh Brar, Liam Girdwood

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On Fri, Jun 08, 2012 at 05:21:44PM +0800, Axel Lin wrote:
> rdev->desc->uV_step * abs(new_selector - old_selector) returns uV.
> The unit of ramp_rate is mV/us.
> Thus 1000 should be multiplied.

Applied, thanks.

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2012-06-11  4:09 UTC | newest]

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2012-06-08  9:21 [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time_sel Axel Lin
2012-06-09  4:20 ` Yadwinder Singh Brar
2012-06-11  4:09 ` Mark Brown

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