diff options
Diffstat (limited to 'drivers/video/backlight')
| -rw-r--r-- | drivers/video/backlight/tegra_pwm_bl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/backlight/tegra_pwm_bl.c b/drivers/video/backlight/tegra_pwm_bl.c index 7e7bfe76ee25..f2202d81ca30 100644 --- a/drivers/video/backlight/tegra_pwm_bl.c +++ b/drivers/video/backlight/tegra_pwm_bl.c @@ -25,6 +25,7 @@ struct tegra_pwm_bl_data { struct device *dev; int which_dc; + int (*notify)(struct device *, int brightness); struct tegra_dc_pwm_params params; }; @@ -41,6 +42,9 @@ static int tegra_pwm_backlight_update_status(struct backlight_device *bl) if (bl->props.fb_blank != FB_BLANK_UNBLANK) brightness = 0; + if (tbl->notify) + brightness = tbl->notify(tbl->dev, brightness); + if (brightness > max) dev_err(&bl->dev, "Invalid brightness value: %d max: %d\n", brightness, max); @@ -95,6 +99,7 @@ static int tegra_pwm_backlight_probe(struct platform_device *pdev) tbl->dev = &pdev->dev; tbl->which_dc = data->which_dc; + tbl->notify = data->notify; tbl->params.which_pwm = data->which_pwm; tbl->params.gpio_conf_to_sfio = data->gpio_conf_to_sfio; tbl->params.switch_to_sfio = data->switch_to_sfio; |