[ALSA] sound/: Spelling fixes


Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 851abfe..2e242db 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -418,7 +418,7 @@
 	/* free the private data */
 	void (*private_free)(struct hda_bus *);
 #ifdef CONFIG_SND_HDA_POWER_SAVE
-	/* notify power-up/down from codec to contoller */
+	/* notify power-up/down from codec to controller */
 	void (*pm_notify)(struct hda_codec *codec);
 #endif
 };