summaryrefslogtreecommitdiff
path: root/drivers/video
diff options
context:
space:
mode:
authorJohan Hovold <jhovold@gmail.com>2013-11-13 03:09:42 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 07:09:21 +0400
commit9a26a84e3f77850ab80dbb9fb7f9821109f38f12 (patch)
tree97d2f0333a9d13af9620094f1e4acbd56fe87d7e /drivers/video
parentce726c9738a27ee32a00136cc512b1058044a0fe (diff)
downloadlinux-9a26a84e3f77850ab80dbb9fb7f9821109f38f12.tar.xz
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/atmel-pwm-bl.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 01af5c2d028a..abfaada0b6ca 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;
}