Commit 716bdf18 authored by Pavel Machek's avatar Pavel Machek Committed by Richard Purdie

backlight: Fix backlight limiting on spitz/corgi devices

On spitz (& similar) machines, if battery is running low, backlight
needs
to be limited to lower step.  Unfortunately, current code uses &= for
limiting, turning backlight off completely for some backlight settings.
Fix that.
Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarRichard Purdie <rpurdie@linux.intel.com>
parent 1e0fa6bd
...@@ -433,8 +433,9 @@ static int corgi_bl_update_status(struct backlight_device *bd) ...@@ -433,8 +433,9 @@ static int corgi_bl_update_status(struct backlight_device *bd)
if (corgibl_flags & CORGIBL_SUSPENDED) if (corgibl_flags & CORGIBL_SUSPENDED)
intensity = 0; intensity = 0;
if (corgibl_flags & CORGIBL_BATTLOW)
intensity &= lcd->limit_mask; if ((corgibl_flags & CORGIBL_BATTLOW) && intensity > lcd->limit_mask)
intensity = lcd->limit_mask;
return corgi_bl_set_intensity(lcd, intensity); return corgi_bl_set_intensity(lcd, intensity);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment