ALSA: hda - Enable power_save_node for CX20722

I've tested it on one device and it works fine, no clicks.
Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_conexant.c

@@ -901,6 +901,9 @@ static int patch_conexant_auto(struct hda_codec *codec)
 		snd_hda_pick_fixup(codec, cxt5051_fixup_models,
 				   cxt5051_fixups, cxt_fixups);
 		break;
+	case 0x14f150f2:
+		codec->power_save_node = 1;
+		/* Fall through */
 	default:
 		codec->pin_amp_workaround = 1;
 		snd_hda_pick_fixup(codec, cxt5066_fixup_models,