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authorMichael Hanselmann <linux-kernel@hansmi.ch>2006-06-28 04:26:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-28 14:59:06 -0700
commitcab267c65f44337974e4f1eae490b21dce0e9811 (patch)
treed752bda111449ae7e9b7c85988f2993a9a068128 /drivers
parent96febe9fb7b04f2a078882d08bd6a997dee7cfa3 (diff)
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[PATCH] powermac backlight fixes
Fix a erroneous calculation of the legacy brightness values as reported by Paul Collins. Additionally, it moves the calculation of the negative value in the radeonfb driver after the value check. Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Paul Collins <paul@briny.ondioline.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/aty/radeon_backlight.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 7de66b855d4e..1755dddf1899 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -40,14 +40,14 @@ static int radeon_bl_get_level_brightness(struct radeon_bl_privdata *pdata,
mutex_unlock(&info->bl_mutex);
- if (pdata->negative)
- rlevel = MAX_RADEON_LEVEL - rlevel;
-
if (rlevel < 0)
rlevel = 0;
else if (rlevel > MAX_RADEON_LEVEL)
rlevel = MAX_RADEON_LEVEL;
+ if (pdata->negative)
+ rlevel = MAX_RADEON_LEVEL - rlevel;
+
return rlevel;
}