diff options
Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 9d2ec2a1cce8..550443518891 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -19,6 +19,7 @@ #include <linux/err.h> #include <linux/pwm.h> #include <linux/pwm_backlight.h> +#include <linux/slab.h> struct pwm_bl_data { struct pwm_device *pwm; @@ -65,6 +66,7 @@ static const struct backlight_ops pwm_backlight_ops = { static int pwm_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct platform_pwm_backlight_data *data = pdev->dev.platform_data; struct backlight_device *bl; struct pwm_bl_data *pb; @@ -100,15 +102,16 @@ static int pwm_backlight_probe(struct platform_device *pdev) } else dev_dbg(&pdev->dev, "got pwm for backlight\n"); - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, - pb, &pwm_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = data->max_brightness; + bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, pb, + &pwm_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); ret = PTR_ERR(bl); goto err_bl; } - bl->props.max_brightness = data->max_brightness; bl->props.brightness = data->dft_brightness; backlight_update_status(bl); |