Commit febf2d95 authored by Thomas Renninger's avatar Thomas Renninger Committed by Len Brown

Acer-WMI: fingers off backlight if video.ko is serving this functionality

Signed-off-by: default avatarThomas Renninger <trenn@suse.de>
Acked-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Acked-by: default avatarCarlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent c3d6de69
......@@ -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;
......
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