From: Johan Hovold <jhovold@gmail.com>
Date: Tue, 5 Nov 2013 05:56:43 +0000 (+1100)
Subject: backlight: atmel-pwm-bl: clean up get_intensity
X-Git-Tag: next-20131105~2^2~127
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=67bf07657259f32d5ab13eea9663a8edd51fd293;p=karo-tx-linux.git

backlight: atmel-pwm-bl: clean up get_intensity

Clean up get_intensity to increase readability.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 4b39f4fa5a94..ec142be64a07 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 intensity & 0xffff;
 }