diff options
| author | Thomas Renninger <trenn@suse.de> | 2008-08-01 17:37:56 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-11-08 00:27:10 -0500 |
| commit | febf2d95a71cd594182e4b3defb0e0ffdfe61482 (patch) | |
| tree | f9b0dcd4465529f05aecb30b7d29347031a04283 /drivers | |
| parent | c3d6de698c84efdbdd3781b7058bcc339ab43da8 (diff) | |
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')
| -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 0532a2de2ce..94c9f911824 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; |