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| author | Johan Hovold <jhovold@gmail.com> | 2013-11-12 15:09:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 12:09:21 +0900 |
| commit | 9a26a84e3f77850ab80dbb9fb7f9821109f38f12 (patch) | |
| tree | 97d2f0333a9d13af9620094f1e4acbd56fe87d7e /drivers/video/backlight/atmel-pwm-bl.c | |
| parent | ce726c9738a27ee32a00136cc512b1058044a0fe (diff) | |
| download | blackbird-op-linux-9a26a84e3f77850ab80dbb9fb7f9821109f38f12.tar.gz blackbird-op-linux-9a26a84e3f77850ab80dbb9fb7f9821109f38f12.zip | |
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/backlight/atmel-pwm-bl.c')
| -rw-r--r-- | drivers/video/backlight/atmel-pwm-bl.c | 13 |
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; } |
