ALSA: hda - Fix no NID error with VIA codecs



The via driver spews warnigs like
	hda-codec: no NID for mapping control Independent HP:0:0
with some codecs because snd_hda_add_nid() is called with nid=0.
This patch fixes it by skipping the call when no corresponding widget
is found.

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

parent cf6f1ff1

sound/pci/hda/patch_via.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -832,10 +832,13 @@ static int via_hp_build(struct hda_codec *codec)
		knew->subdevice = HDA_SUBDEV_NID_FLAG \| nid;
		knew->private_value = nid;

		nid = side_mute_channel(spec);
		if (nid) {
		knew = via_clone_control(spec, &via_hp_mixer[1]);
		if (knew == NULL)
		return -ENOMEM;
		knew->subdevice = side_mute_channel(spec);
		knew->subdevice = nid;
		}

		return 0;
		}