1 From: Thomas Renninger <trenn@suse.de>
2 Subject: [PATCH] Acer-WMI: fingers off backlight if video.ko is serving this functionality
3 Patch-Mainline: queued for .28 in Len's/ak's ACPI tree
5 commit 017f8ecd1cedb482392f0500ee3701b8c50a46f9
7 Signed-off-by: Thomas Renninger <trenn@suse.de>
8 Signed-off-by: Andi Kleen <ak@linux.intel.com>
10 drivers/misc/acer-wmi.c | 6 ++++++
11 1 file changed, 6 insertions(+)
13 --- a/drivers/misc/acer-wmi.c
14 +++ b/drivers/misc/acer-wmi.c
15 @@ -1242,6 +1242,12 @@ static int __init acer_wmi_init(void)
19 + if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
20 + interface->capability &= ~ACER_CAP_BRIGHTNESS;
21 + printk(ACER_INFO "Brightness must be controlled by "
22 + "generic video driver\n");
25 if (platform_driver_register(&acer_platform_driver)) {
26 printk(ACER_ERR "Unable to register platform driver.\n");
27 goto error_platform_register;