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authorBen Dooks <ben@simtec.co.uk>2009-11-10 17:20:40 +0000
committerRichard Purdie <rpurdie@linux.intel.com>2009-12-17 11:46:01 +0000
commitcfc3899fcd0b3b990b29d3d33f75f4edf715e7d1 (patch)
tree1b40d611cfba57186fb613ef7e99d3bf33c97ac6 /drivers/video
parent5b0582ea427b59bf4e70c892aab0b0ba8fbe2306 (diff)
downloadlinux-stericsson-cfc3899fcd0b3b990b29d3d33f75f4edf715e7d1.tar.gz
backlight: Pass device through notify callback in the pwm driver
Add the device to the notify callback's arguments in the PWM backlight driver. This brings the notify callback into line with the other callbacks defined by this driver. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/pwm_bl.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index df9e0b32cf39..9d2ec2a1cce8 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -22,8 +22,10 @@
struct pwm_bl_data {
struct pwm_device *pwm;
+ struct device *dev;
unsigned int period;
- int (*notify)(int brightness);
+ int (*notify)(struct device *,
+ int brightness);
};
static int pwm_backlight_update_status(struct backlight_device *bl)
@@ -39,7 +41,7 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
brightness = 0;
if (pb->notify)
- brightness = pb->notify(brightness);
+ brightness = pb->notify(pb->dev, brightness);
if (brightness == 0) {
pwm_config(pb->pwm, 0, pb->period);
@@ -88,6 +90,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->period = data->pwm_period_ns;
pb->notify = data->notify;
+ pb->dev = &pdev->dev;
pb->pwm = pwm_request(data->pwm_id, "backlight");
if (IS_ERR(pb->pwm)) {
@@ -146,7 +149,7 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
if (pb->notify)
- pb->notify(0);
+ pb->notify(pb->dev, 0);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
return 0;