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* [PATCH] extcon: max77693: Use max77693_update_reg for rmw operations
@ 2012-10-02 15:59 Axel Lin
  2012-10-04  1:33 ` Chanwoo Choi
  0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2012-10-02 15:59 UTC (permalink / raw)
  To: linux-kernel; +Cc: MyungJoo Ham, Chanwoo Choi

This simplifies the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/extcon/extcon-max77693.c |   18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index e21387e..e0ed622 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
 static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
 		enum max77693_muic_adc_debounce_time time)
 {
-	int ret = 0;
-	u8 ctrl3;
+	int ret;
 
 	switch (time) {
 	case ADC_DEBOUNCE_TIME_5MS:
 	case ADC_DEBOUNCE_TIME_10MS:
 	case ADC_DEBOUNCE_TIME_25MS:
 	case ADC_DEBOUNCE_TIME_38_62MS:
-		ret = max77693_read_reg(info->max77693->regmap_muic,
-				MAX77693_MUIC_REG_CTRL3, &ctrl3);
-		ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
-		ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
-
-		ret = max77693_write_reg(info->max77693->regmap_muic,
-				MAX77693_MUIC_REG_CTRL3, ctrl3);
-		if (ret) {
+		ret = max77693_update_reg(info->max77693->regmap_muic,
+					  MAX77693_MUIC_REG_CTRL3,
+					  time << CONTROL3_ADCDBSET_SHIFT,
+					  CONTROL3_ADCDBSET_MASK);
+		if (ret)
 			dev_err(info->dev, "failed to set ADC debounce time\n");
-			ret = -EINVAL;
-		}
 		break;
 	default:
 		dev_err(info->dev, "invalid ADC debounce time\n");
-- 
1.7.9.5




^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] extcon: max77693: Use max77693_update_reg for rmw operations
  2012-10-02 15:59 [PATCH] extcon: max77693: Use max77693_update_reg for rmw operations Axel Lin
@ 2012-10-04  1:33 ` Chanwoo Choi
  0 siblings, 0 replies; 2+ messages in thread
From: Chanwoo Choi @ 2012-10-04  1:33 UTC (permalink / raw)
  To: Axel Lin; +Cc: linux-kernel, MyungJoo Ham, Greg KH

On 10/03/2012 12:59 AM, Axel Lin wrote:

> This simplifies the code.
> 
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>  drivers/extcon/extcon-max77693.c |   18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
> index e21387e..e0ed622 100644
> --- a/drivers/extcon/extcon-max77693.c
> +++ b/drivers/extcon/extcon-max77693.c
> @@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
>  static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
>  		enum max77693_muic_adc_debounce_time time)
>  {
> -	int ret = 0;
> -	u8 ctrl3;
> +	int ret;
>  
>  	switch (time) {
>  	case ADC_DEBOUNCE_TIME_5MS:
>  	case ADC_DEBOUNCE_TIME_10MS:
>  	case ADC_DEBOUNCE_TIME_25MS:
>  	case ADC_DEBOUNCE_TIME_38_62MS:
> -		ret = max77693_read_reg(info->max77693->regmap_muic,
> -				MAX77693_MUIC_REG_CTRL3, &ctrl3);
> -		ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
> -		ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
> -
> -		ret = max77693_write_reg(info->max77693->regmap_muic,
> -				MAX77693_MUIC_REG_CTRL3, ctrl3);
> -		if (ret) {
> +		ret = max77693_update_reg(info->max77693->regmap_muic,
> +					  MAX77693_MUIC_REG_CTRL3,
> +					  time << CONTROL3_ADCDBSET_SHIFT,
> +					  CONTROL3_ADCDBSET_MASK);
> +		if (ret)
>  			dev_err(info->dev, "failed to set ADC debounce time\n");
> -			ret = -EINVAL;
> -		}
>  		break;
>  	default:
>  		dev_err(info->dev, "invalid ADC debounce time\n");


Applied, thanks.

Cheers,
Chanwoo Choi

^ permalink raw reply	[flat|nested] 2+ messages in thread

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