[PATCH 03/10] Acer-WMI: fingers off backlight if video.ko is serving this functionality

Thomas Renninger
2008-08-01T15:39:57Z

Signed-off-by: Thomas Renninger <trenn@suse.de>
---
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 e7a3fe5..a843ac2 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -1218,6 +1218,12 @@ static int __init acer_wmi_init(void)
return -ENODEV;
}

+ 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;
--
1.5.4.5