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| author | Michael Hanselmann <linux-kernel@hansmi.ch> | 2006-06-28 04:26:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-28 14:59:06 -0700 |
| commit | cab267c65f44337974e4f1eae490b21dce0e9811 (patch) | |
| tree | d752bda111449ae7e9b7c85988f2993a9a068128 /drivers/video | |
| parent | 96febe9fb7b04f2a078882d08bd6a997dee7cfa3 (diff) | |
| download | lwn-cab267c65f44337974e4f1eae490b21dce0e9811.tar.gz lwn-cab267c65f44337974e4f1eae490b21dce0e9811.zip | |
[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/video')
| -rw-r--r-- | drivers/video/aty/radeon_backlight.c | 6 |
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; } |