summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_backlight.c
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2010-11-24 16:21:08 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-11-24 16:21:08 +0900
commit540565257101f7c52b6fc5a57651f7505f8d20fe (patch)
tree7adee0bc65a02fead0dd9cae4f2d4632b227ac56 /drivers/gpu/drm/nouveau/nouveau_backlight.c
parent4d048435e9864998f6a6ad16422393d42322716d (diff)
parent421b446abeec55bed1251fab80cb5c12be58b773 (diff)
downloadlinux-540565257101f7c52b6fc5a57651f7505f8d20fe.tar.gz
linux-540565257101f7c52b6fc5a57651f7505f8d20fe.tar.bz2
linux-540565257101f7c52b6fc5a57651f7505f8d20fe.zip
Merge branch 'rmobile/fsi-despair' into rmobile-fixes-for-linus
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_backlight.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_backlight.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 406228f4a2a0..b14c81110575 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -31,6 +31,7 @@
*/
#include <linux/backlight.h>
+#include <linux/acpi.h>
#include "drmP.h"
#include "nouveau_drv.h"
@@ -136,6 +137,14 @@ int nouveau_backlight_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+#ifdef CONFIG_ACPI
+ if (acpi_video_backlight_support()) {
+ NV_INFO(dev, "ACPI backlight interface available, "
+ "not registering our own\n");
+ return 0;
+ }
+#endif
+
switch (dev_priv->card_type) {
case NV_40:
return nouveau_nv40_backlight_init(dev);