ALSA: hda - Add comments for the previous fix for conexant codecs (3b7523fc) · Commits · 戴 / test

sound/pci/hda/patch_conexant.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -1196,6 +1196,10 @@ static int cxt5047_hp_master_sw_put(struct snd_kcontrol *kcontrol,
		* the headphone jack
		*/
		bits = (!spec->hp_present && spec->cur_eapd) ? 0 : HDA_AMP_MUTE;
		/* NOTE: Conexat codec needs the index for OUTPUT amp of
		* pin widgets unlike other codecs. In this case, we need to
		* set index 0x01 for the volume from the mixer amp 0x19.
		*/
		snd_hda_codec_amp_stereo(codec, 0x1d, HDA_OUTPUT, 0x01,
		HDA_AMP_MUTE, bits);
		bits = spec->cur_eapd ? 0 : HDA_AMP_MUTE;
		@@ -1214,6 +1218,7 @@ static void cxt5047_hp_automute(struct hda_codec *codec)
		AC_VERB_GET_PIN_SENSE, 0) & 0x80000000;

		bits = (spec->hp_present \|\| !spec->cur_eapd) ? HDA_AMP_MUTE : 0;
		/* See the note in cxt5047_hp_master_sw_put */
		snd_hda_codec_amp_stereo(codec, 0x1d, HDA_OUTPUT, 0x01,
		HDA_AMP_MUTE, bits);
		}
		@@ -1276,6 +1281,7 @@ static struct snd_kcontrol_new cxt5047_base_mixers[] = {
		};

		static struct snd_kcontrol_new cxt5047_hp_spk_mixers[] = {
		/* See the note in cxt5047_hp_master_sw_put */
		HDA_CODEC_VOLUME("Speaker Playback Volume", 0x1d, 0x01, HDA_OUTPUT),
		HDA_CODEC_VOLUME("Headphone Playback Volume", 0x13, 0x00, HDA_OUTPUT),
		{}