diff options
| -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 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; diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 7a9754c96775..01b3d759f1fc 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); }; |