[PATCH] fix link error in atyfb with backlight disabled

[Olaf Hering <olh@suse.de>]

aty_bl_set_power is only defined if CONFIG_FB_ATY_BACKLIGHT is enabled.

Signed-off-by: Olaf Hering <olh@suse.de>

Index: linux-2.6.18-rc3/drivers/video/aty/atyfb_base.c
===================================================================
--- linux-2.6.18-rc3.orig/drivers/video/aty/atyfb_base.c
+++ linux-2.6.18-rc3/drivers/video/aty/atyfb_base.c
@@ -2812,7 +2812,7 @@ static int atyfb_blank(int blank, struct
 	if (par->lock_blank || par->asleep)
 		return 0;
 
-#ifdef CONFIG_PMAC_BACKLIGHT
+#if defined(CONFIG_PMAC_BACKLIGHT) && defined(CONFIG_FB_ATY_BACKLIGHT)
 	if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
 		aty_bl_set_power(info, FB_BLANK_POWERDOWN);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
@@ -2844,7 +2844,7 @@ static int atyfb_blank(int blank, struct
 	}
 	aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
 
-#ifdef CONFIG_PMAC_BACKLIGHT
+#if defined(CONFIG_PMAC_BACKLIGHT) && defined(CONFIG_FB_ATY_BACKLIGHT)
 	if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
 		aty_bl_set_power(info, FB_BLANK_UNBLANK);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
-
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