ALSA: hda - Don't check invalid HP pin



alc_automute_pin() might be called even if any HP pin is defined, and
it will result in verbs with NID=0.

This patch adds a check for the validity of HP widget before issuing
any verbs.

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

parent a1bf8088

sound/pci/hda/patch_realtek.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -965,6 +965,8 @@ static void alc_automute_pin(struct hda_codec *codec)
		unsigned int nid = spec->autocfg.hp_pins[0];
		int i;

		if (!nid)
		return;
		pincap = snd_hda_query_pin_caps(codec, nid);
		if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
		snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);