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Acer-WMI: 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>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Thomas Renninger 2008-08-01 17:37:56 +02:00 committed by Len Brown
parent c3d6de698c
commit febf2d95a7
1 changed files with 6 additions and 0 deletions
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6
drivers/misc/acer-wmi.c
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@ -1297,6 +1297,12 @@ static int __init acer_wmi_init(void)
set_quirks();
if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
interface->capability &= ~ACER_CAP_BRIGHTNESS;
printk(ACER_INFO "Brightness must be controlled by "
"generic video driver\n");
}
if (platform_driver_register(&acer_platform_driver)) {
printk(ACER_ERR "Unable to register platform driver.\n");
goto error_platform_register;