diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-05-10 10:33:02 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-05-17 11:15:23 +0100 |
| commit | fcf92202e7bc2e8513ae045e3ec61e79c1c9e690 (patch) | |
| tree | d518feb028130214aafc406c47b93f8791a85f0b /drivers/gpu/drm/gma500/opregion.c | |
| parent | ce0679136678a58cbeca40acd84b6a0462637454 (diff) | |
| download | linux-fcf92202e7bc2e8513ae045e3ec61e79c1c9e690.tar.bz2 | |
gma500: silence an unused variable warning
If CONFIG_BACKLIGHT_CLASS_DEVICE is disabled then GCC warns that:
drivers/gpu/drm/gma500/opregion.c:154:6: warning:
unused variable ‘max’ [-Wunused-variable]
Which give me a chance to use the new config_enabled() macro. :)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/opregion.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/opregion.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c index aa9e89f7e4c2..4f186eca3a30 100644 --- a/drivers/gpu/drm/gma500/opregion.c +++ b/drivers/gpu/drm/gma500/opregion.c @@ -149,7 +149,6 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) struct drm_psb_private *dev_priv = dev->dev_private; struct opregion_asle *asle = dev_priv->opregion.asle; struct backlight_device *bd = dev_priv->backlight_device; - u32 max; DRM_DEBUG_DRIVER("asle set backlight %x\n", bclp); @@ -163,11 +162,12 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) if (bclp > 255) return ASLE_BACKLIGHT_FAILED; -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - max = bd->props.max_brightness; - bd->props.brightness = bclp * max / 255; - backlight_update_status(bd); -#endif + if (config_enabled(CONFIG_BACKLIGHT_CLASS_DEVICE)) { + int max = bd->props.max_brightness; + bd->props.brightness = bclp * max / 255; + backlight_update_status(bd); + } + asle->cblv = (bclp * 0x64) / 0xff | ASLE_CBLV_VALID; return 0; |