ALSA: hda - Fix volume-init of ALC299 & co

ALC269 and compatible codecs have the output volume in DACs, thus we
can't use the ALC880's code as is.  Fixed by checking the amp caps and
picking up the right widget for initialization.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -5605,17 +5605,28 @@ static int get_pin_type(int line_out_type)
 		return PIN_OUT;
 }
 
-static void alc880_auto_init_dac(struct hda_codec *codec, hda_nid_t nid)
+static void alc880_auto_init_dac(struct hda_codec *codec, hda_nid_t dac)
 {
-	if (!nid)
+	hda_nid_t nid, mix;
+
+	if (!dac)
 		return;
-	nid = alc880_idx_to_mixer(alc880_dac_to_idx(nid));
-	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
-			    AMP_OUT_ZERO);
-	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
-			    AMP_IN_UNMUTE(0));
-	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
-			    AMP_IN_UNMUTE(1));
+	mix = alc880_idx_to_mixer(alc880_dac_to_idx(dac));
+	if (query_amp_caps(codec, dac, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
+		nid = dac;
+	else if (query_amp_caps(codec, mix, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
+		nid = mix;
+	else
+		nid = 0;
+	if (nid)
+		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+				    AMP_OUT_ZERO);
+	if (query_amp_caps(codec, mix, HDA_INPUT) & AC_AMPCAP_MUTE) {
+		snd_hda_codec_write(codec, mix, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+				    AMP_IN_UNMUTE(0));
+		snd_hda_codec_write(codec, mix, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+				    AMP_IN_UNMUTE(1));
+	}
 }
 
 static void alc880_auto_init_multi_out(struct hda_codec *codec)