From: Lothar Waßmann Date: Tue, 5 Nov 2013 15:30:14 +0000 (+0100) Subject: pwm-backlight: use duty_cycle rather than brightness value to decide whether to shutd... X-Git-Tag: KARO-TX6-2013-11-08~9 X-Git-Url: https://git.karo-electronics.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=458356586a2874891c7265e6469f92cbba381a6b pwm-backlight: use duty_cycle rather than brightness value to decide whether to shutdown PWM Signed-off-by: Lothar Waßmann --- diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 368232af78d2..17e0cef59ede 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -111,8 +111,8 @@ static int pwm_backlight_update_status(struct backlight_device *bl) if (pb->notify) brightness = pb->notify(pb->dev, brightness); - if (brightness > 0) { - duty_cycle = compute_duty_cycle(pb, brightness); + duty_cycle = compute_duty_cycle(pb, brightness); + if (duty_cycle > 0) { pwm_config(pb->pwm, duty_cycle, pb->period); pwm_backlight_power_on(pb, brightness); } else