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authorThomas Renninger <trenn@suse.de>2008-08-01 17:37:58 +0200
committerLen Brown <len.brown@intel.com>2008-11-08 00:27:27 -0500
commit29454f17124c655236d2972dad21907e15ca294b (patch)
tree9d047f5903488ec10eda4b1d0d3d7d0485efa5e0 /drivers/misc
parent6766fec3669d5053b987e111afb348b885237bfc (diff)
compal: fingers off backlight if video.ko is serving this functionality
Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/compal-laptop.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c
index 344b790a625..11003bba10d 100644
--- a/drivers/misc/compal-laptop.c
+++ b/drivers/misc/compal-laptop.c
@@ -326,12 +326,14 @@ static int __init compal_init(void)
/* Register backlight stuff */
- compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
- &compalbl_ops);
- if (IS_ERR(compalbl_device))
- return PTR_ERR(compalbl_device);
+ if (!acpi_video_backlight_support()) {
+ compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
+ &compalbl_ops);
+ if (IS_ERR(compalbl_device))
+ return PTR_ERR(compalbl_device);
- compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ }
ret = platform_driver_register(&compal_driver);
if (ret)