From: Marc Zyngier Date: Fri, 19 Jun 2009 08:50:54 +0000 (+0200) Subject: backlight: fix pwm_bl.c to notify platform code when suspending X-Git-Tag: v2.6.31-rc4~28^2~7^2~1 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=82e8b54229fb121946151b82e8ff3c3284bd723f backlight: fix pwm_bl.c to notify platform code when suspending When suspending, pwm-bl sets duty cycle to 0, and shuts down the pwm device. This patch ensure that the platform code is called before that (through the notify callback_, leaving a chance for the platform code to configure GPIOs (shutting off the backlight, for example), much like it is done during normal operations. Signed-off-by: Marc Zyngier Signed-off-by: Eric Miao --- diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index e641584..8871662 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -145,6 +145,8 @@ static int pwm_backlight_suspend(struct platform_device *pdev, struct backlight_device *bl = platform_get_drvdata(pdev); struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); + if (pb->notify) + pb->notify(0); pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); return 0;