ALSA: PCI: Replace CONFIG_PM with CONFIG_PM_SLEEP

Otherwise we may get compile warnings due to unused functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index f75f5ff..6b111d0 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -2797,7 +2797,7 @@
 	}
 #endif
 	
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	kfree(chip->saved_regs);
 #endif
 
@@ -3590,7 +3590,7 @@
 /*
  * APM support
  */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static unsigned int saved_regs[] = {
 	BA0_ACOSV,
 	/*BA0_ASER_FADDR,*/
@@ -3711,7 +3711,7 @@
 }
 
 SIMPLE_DEV_PM_OPS(snd_cs46xx_pm, snd_cs46xx_suspend, snd_cs46xx_resume);
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 
 /*
@@ -3868,7 +3868,7 @@
 	
 	snd_cs46xx_proc_init(card, chip);
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	chip->saved_regs = kmalloc(sizeof(*chip->saved_regs) *
 				   ARRAY_SIZE(saved_regs), GFP_KERNEL);
 	if (!chip->saved_regs) {