From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 9 Jul 2009 09:45:59 +0000 (+0200)
Subject: ALSA: hda - don't build digital output controls if not exist
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=63b2413b2ff446e30286c2bd775fd10b12d188c6;p=deliverable%2Flinux.git

ALSA: hda - don't build digital output controls if not exist

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 57251d72b124..f5527380a245 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -779,6 +779,9 @@ static int build_digital_output(struct hda_codec *codec)
 	struct cs_spec *spec = codec->spec;
 	int err;
 
+	if (!spec->multiout.dig_out_nid)
+		return 0;
+
 	err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
 	if (err < 0)
 		return err;