diff options
| -rw-r--r-- | drivers/gpu/drm/gma500/backlight.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/backlight.c b/drivers/gpu/drm/gma500/backlight.c index e85fd181f2f3..577a4987b193 100644 --- a/drivers/gpu/drm/gma500/backlight.c +++ b/drivers/gpu/drm/gma500/backlight.c @@ -7,6 +7,8 @@ * Authors: Eric Knopp */ +#include <acpi/video.h> + #include "psb_drv.h" #include "psb_intel_reg.h" #include "psb_intel_drv.h" @@ -80,6 +82,12 @@ int gma_backlight_init(struct drm_device *dev) if (ret) return ret; + if (!acpi_video_backlight_use_native()) { + drm_info(dev, "Skipping %s backlight registration\n", + dev_priv->ops->backlight_name); + return 0; + } + #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE props.brightness = dev_priv->backlight_level; props.max_brightness = PSB_MAX_BRIGHTNESS; |