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authorJens Axboe <axboe@kernel.dk>2011-10-19 14:30:42 +0200
committerJens Axboe <axboe@kernel.dk>2011-10-19 14:30:42 +0200
commit5c04b426f2e8b46cfc7969a35b2631063a3c646c (patch)
tree2d27d9f5d2fe5d5e8fbc01a467ec58bcb50235c1 /drivers/video/backlight/pwm_bl.c
parent499337bb6511e665a236a6a947f819d98ea340c6 (diff)
parent899e3ee404961a90b828ad527573aaaac39f0ab1 (diff)
Merge branch 'v3.1-rc10' into for-3.2/core
Conflicts: block/blk-core.c include/linux/blkdev.h Signed-off-by: Jens Axboe <axboe@kernel.dk>
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;
}