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gma500: silence an unused variable warning

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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>
This commit is contained in:
Dan Carpenter 2012-05-10 10:33:02 +03:00 committed by Dave Airlie
parent ce06791366
commit fcf92202e7
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/gma500/opregion.c
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@ -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;