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Diffstat (limited to 'drivers/video/panel-uclass.c')
| -rw-r--r-- | drivers/video/panel-uclass.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/video/panel-uclass.c b/drivers/video/panel-uclass.c index aec44a8bf7..246d1b2836 100644 --- a/drivers/video/panel-uclass.c +++ b/drivers/video/panel-uclass.c @@ -18,6 +18,24 @@ int panel_enable_backlight(struct udevice *dev) return ops->enable_backlight(dev); } +/** + * panel_set_backlight - Set brightness for the panel backlight + * + * @dev: Panel device containing the backlight to update + * @percent: Brightness value (0=off, 1=min brightness, + * 100=full brightness) + * @return 0 if OK, -ve on error + */ +int panel_set_backlight(struct udevice *dev, int percent) +{ + struct panel_ops *ops = panel_get_ops(dev); + + if (!ops->set_backlight) + return -ENOSYS; + + return ops->set_backlight(dev, percent); +} + int panel_get_display_timing(struct udevice *dev, struct display_timing *timings) { |