diff options
| author | Ben Dooks <ben@simtec.co.uk> | 2009-11-10 17:20:40 +0000 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-12-17 11:46:01 +0000 |
| commit | cfc3899fcd0b3b990b29d3d33f75f4edf715e7d1 (patch) | |
| tree | 1b40d611cfba57186fb613ef7e99d3bf33c97ac6 | |
| parent | 5b0582ea427b59bf4e70c892aab0b0ba8fbe2306 (diff) | |
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>
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 9 | ||||
| -rw-r--r-- | include/linux/pwm_backlight.h | 2 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index df9e0b32cf3..9d2ec2a1cce 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; diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 7a9754c9677..01b3d759f1f 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -10,7 +10,7 @@ struct platform_pwm_backlight_data { unsigned int dft_brightness; unsigned int pwm_period_ns; int (*init)(struct device *dev); - int (*notify)(int brightness); + int (*notify)(struct device *dev, int brightness); void (*exit)(struct device *dev); }; |