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authorRafael J. Wysocki <rjw@sisk.pl>2011-09-26 20:12:45 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-09-26 20:12:45 +0200
commit0d41da2e31e81f5c8aaabe17f769de4304b2d4c8 (patch)
tree540acefba9bf01d3880d7bacb767fbf9b1fe80b4 /drivers/video/backlight/pwm_bl.c
parenta0089bd617adea27ebc352e1e0871649ab1dbaa6 (diff)
parente8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6 (diff)
Merge branch 'pm-fixes' into pm-domains
Merge commit e8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6 (PM / Clocks: Do not acquire a mutex under a spinlock) fixing a regression in drivers/base/power/clock_ops.c. Conflicts: drivers/base/power/clock_ops.c
Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
-rw-r--r--drivers/video/backlight/pwm_bl.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b8f38ec6eb1..8b5b2a4124c 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -28,6 +28,8 @@ struct pwm_bl_data {
unsigned int lth_brightness;
int (*notify)(struct device *,
int brightness);
+ void (*notify_after)(struct device *,
+ int brightness);
int (*check_fb)(struct device *, struct fb_info *);
};
@@ -55,6 +57,10 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
pwm_config(pb->pwm, brightness, pb->period);
pwm_enable(pb->pwm);
}
+
+ if (pb->notify_after)
+ pb->notify_after(pb->dev, brightness);
+
return 0;
}
@@ -105,6 +111,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->period = data->pwm_period_ns;
pb->notify = data->notify;
+ pb->notify_after = data->notify_after;
pb->check_fb = data->check_fb;
pb->lth_brightness = data->lth_brightness *
(data->pwm_period_ns / data->max_brightness);
@@ -172,6 +179,8 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
pb->notify(pb->dev, 0);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
+ if (pb->notify_after)
+ pb->notify_after(pb->dev, 0);
return 0;
}