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compal: fingers off backlight if video.ko is serving this functionality

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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>
This commit is contained in:
Thomas Renninger 2008-08-01 17:37:58 +02:00 committed by Len Brown
parent 6766fec366
commit 29454f1712
1 changed files with 7 additions and 5 deletions
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12
drivers/misc/compal-laptop.c
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@ -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)