diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/acer-wmi.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index b82ff25a7b5..e35825f7e7b 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -29,6 +29,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/dmi.h> +#include <linux/fb.h> #include <linux/backlight.h> #include <linux/leds.h> #include <linux/platform_device.h> @@ -830,7 +831,15 @@ static int read_brightness(struct backlight_device *bd) static int update_bl_status(struct backlight_device *bd) { - set_u32(bd->props.brightness, ACER_CAP_BRIGHTNESS); + int intensity = bd->props.brightness; + + if (bd->props.power != FB_BLANK_UNBLANK) + intensity = 0; + if (bd->props.fb_blank != FB_BLANK_UNBLANK) + intensity = 0; + + set_u32(intensity, ACER_CAP_BRIGHTNESS); + return 0; } @@ -852,8 +861,9 @@ static int __devinit acer_backlight_init(struct device *dev) acer_backlight_device = bd; + bd->props.power = FB_BLANK_UNBLANK; + bd->props.brightness = max_brightness; bd->props.max_brightness = max_brightness; - bd->props.brightness = read_brightness(NULL); backlight_update_status(bd); return 0; } |