From 29454f17124c655236d2972dad21907e15ca294b Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:37:58 +0200 Subject: [PATCH] compal: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/compal-laptop.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c index 344b790a6253..11003bba10d3 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) -- GitLab