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authorIngo Molnar <mingo@elte.hu>2008-12-18 21:54:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-18 21:54:49 +0100
commitd110ec3a1e1f522e2e9dfceb9c36d6590c26d2d4 (patch)
tree86b2f8f1d22b74b05239525c55bd42e3db6afc03 /drivers/misc/msi-laptop.c
parentrcu: fix rcutorture behavior during reboot (diff)
parentMerge branch 'i2c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux (diff)
downloadlinux-d110ec3a1e1f522e2e9dfceb9c36d6590c26d2d4.tar.xz
linux-d110ec3a1e1f522e2e9dfceb9c36d6590c26d2d4.zip
Merge branch 'linus' into core/rcu
Diffstat (limited to 'drivers/misc/msi-laptop.c')
-rw-r--r--drivers/misc/msi-laptop.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c
index de898c6938f3..759763d18e4c 100644
--- a/drivers/misc/msi-laptop.c
+++ b/drivers/misc/msi-laptop.c
@@ -347,12 +347,16 @@ static int __init msi_init(void)
/* Register backlight stuff */
- msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
- &msibl_ops);
- if (IS_ERR(msibl_device))
- return PTR_ERR(msibl_device);
-
- msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
+ if (acpi_video_backlight_support()) {
+ printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
+ "by ACPI video driver\n");
+ } else {
+ msibl_device = backlight_device_register("msi-laptop-bl", NULL,
+ NULL, &msibl_ops);
+ if (IS_ERR(msibl_device))
+ return PTR_ERR(msibl_device);
+ msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
+ }
ret = platform_driver_register(&msipf_driver);
if (ret)