linux-kernel - Re: [PATCH 5/9] backlight: atmel-pwm-bl: clean up get

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Message-ID: <20131025111218.GT18477@ns203013.ovh.net>
Date:	Fri, 25 Oct 2013 13:12:18 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Johan Hovold <jhovold@...il.com>
Cc:	Richard Purdie <rpurdie@...ys.net>,
	Jingoo Han <jg1.han@...sung.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/9] backlight: atmel-pwm-bl: clean up get_intensity

On 11:55 Wed 23 Oct     , Johan Hovold wrote:
> Clean up get_intensity to increase readability.
> 
> Acked-by: Jingoo Han <jg1.han@...sung.com>
> Signed-off-by: Johan Hovold <jhovold@...il.com>

this ok
> ---
>  drivers/video/backlight/atmel-pwm-bl.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
> index 52a8134..504061c 100644
> --- a/drivers/video/backlight/atmel-pwm-bl.c
> +++ b/drivers/video/backlight/atmel-pwm-bl.c
> @@ -70,15 +70,14 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd)
>  static int atmel_pwm_bl_get_intensity(struct backlight_device *bd)
>  {
>  	struct atmel_pwm_bl *pwmbl = bl_get_data(bd);
> +	u32 cdty;
>  	u32 intensity;
>  
> -	if (pwmbl->pdata->pwm_active_low) {
> -		intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) -
> -			pwmbl->pdata->pwm_duty_min;
> -	} else {
> -		intensity = pwmbl->pdata->pwm_duty_max -
> -			pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
> -	}
> +	cdty = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
> +	if (pwmbl->pdata->pwm_active_low)
> +		intensity = cdty - pwmbl->pdata->pwm_duty_min;
> +	else
> +		intensity = pwmbl->pdata->pwm_duty_max - cdty;
>  
>  	return (u16)intensity;
>  }
> -- 
> 1.8.4
> 
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