diff options
| author | Thomas Renninger | 2008-08-01 17:37:56 +0200 |
|---|---|---|
| committer | Len Brown | 2008-11-08 06:27:10 +0100 |
| commit | febf2d95a71cd594182e4b3defb0e0ffdfe61482 (patch) | |
| tree | f9b0dcd4465529f05aecb30b7d29347031a04283 /drivers/misc | |
| parent | ACPI video: if no ACPI backlight support, use vendor drivers (diff) | |
| download | kernel-qcow2-linux-febf2d95a71cd594182e4b3defb0e0ffdfe61482.tar.gz kernel-qcow2-linux-febf2d95a71cd594182e4b3defb0e0ffdfe61482.tar.xz kernel-qcow2-linux-febf2d95a71cd594182e4b3defb0e0ffdfe61482.zip | |
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>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/acer-wmi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 0532a2de2ce4..94c9f911824e 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -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; |