[ALSA] hda-codec - keep the format verb at closing PCM streams

Keep the format verb at closing PCM streams.
Introduced snd_hda_codec_cleanup_stream() for the parcicular purpose.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.c

@@ -720,6 +720,19 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 }
 
+void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
+{
+	if (!nid)
+		return;
+
+	snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
+#if 0 /* keep the format */
+	msleep(1);
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
+#endif
+}
+
 /*
  * amp access functions
  */
@@ -2204,7 +2217,7 @@ static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
 				   struct hda_codec *codec,
 				   struct snd_pcm_substream *substream)
 {
-	snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, hinfo->nid);
 	return 0;
 }
 
@@ -2589,7 +2602,7 @@ int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 	mutex_lock(&codec->spdif_mutex);
 	if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
 		/* already opened as analog dup; reset it once */
-		snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
+		snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
 	mout->dig_out_used = HDA_DIG_EXCLUSIVE;
 	mutex_unlock(&codec->spdif_mutex);
 	return 0;
@@ -2684,8 +2697,7 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 					     stream_tag, format);
 		} else {
 			mout->dig_out_used = 0;
-			snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
-						   0, 0, 0);
+			snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
 		}
 	}
 	mutex_unlock(&codec->spdif_mutex);
@@ -2727,17 +2739,16 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 	int i;
 
 	for (i = 0; i < mout->num_dacs; i++)
-		snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
+		snd_hda_codec_cleanup_stream(codec, nids[i]);
 	if (mout->hp_nid)
-		snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
+		snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
 	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
 		if (mout->extra_out_nid[i])
-			snd_hda_codec_setup_stream(codec,
-						   mout->extra_out_nid[i],
-						   0, 0, 0);
+			snd_hda_codec_cleanup_stream(codec,
+						     mout->extra_out_nid[i]);
 	mutex_lock(&codec->spdif_mutex);
 	if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
-		snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
+		snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
 		mout->dig_out_used = 0;
 	}
 	mutex_unlock(&codec->spdif_mutex);

sound/pci/hda/hda_codec.h

@@ -722,6 +722,7 @@ int snd_hda_build_pcms(struct hda_bus *bus);
 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 				u32 stream_tag,
 				int channel_id, int format);
+void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid);
 unsigned int snd_hda_calc_stream_format(unsigned int rate,
 					unsigned int channels,
 					unsigned int format,

sound/pci/hda/hda_generic.c

@@ -1007,8 +1007,8 @@ static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo,
 {
 	struct hda_gspec *spec = codec->spec;
 
-	snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
-	snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, 0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, hinfo->nid);
+	snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid);
 	return 0;
 }
 

sound/pci/hda/patch_analog.c

@@ -296,8 +296,7 @@ static int ad198x_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 				      struct snd_pcm_substream *substream)
 {
 	struct ad198x_spec *spec = codec->spec;
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
-				   0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
 	return 0;
 }
 
@@ -3325,8 +3324,7 @@ static int ad1984_pcm_dmic_cleanup(struct hda_pcm_stream *hinfo,
 				   struct hda_codec *codec,
 				   struct snd_pcm_substream *substream)
 {
-	snd_hda_codec_setup_stream(codec, 0x05 + substream->number,
-				   0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, 0x05 + substream->number);
 	return 0;
 }
 

sound/pci/hda/patch_cmedia.c

@@ -513,7 +513,7 @@ static int cmi9880_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 {
 	struct cmi_spec *spec = codec->spec;
 
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number], 0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
 	return 0;
 }
 

sound/pci/hda/patch_conexant.c

@@ -174,8 +174,7 @@ static int conexant_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 				      struct snd_pcm_substream *substream)
 {
 	struct conexant_spec *spec = codec->spec;
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
-				   0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
 	return 0;
 }
 
@@ -243,7 +242,7 @@ static int cx5051_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 				      struct snd_pcm_substream *substream)
 {
 	struct conexant_spec *spec = codec->spec;
-	snd_hda_codec_setup_stream(codec, spec->cur_adc, 0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
 	spec->cur_adc = 0;
 	return 0;
 }
@@ -1594,7 +1593,7 @@ static void cxt5051_portc_automic(struct hda_codec *codec)
 	new_adc = spec->adc_nids[spec->cur_adc_idx];
 	if (spec->cur_adc && spec->cur_adc != new_adc) {
 		/* stream is running, let's swap the current ADC */
-		snd_hda_codec_setup_stream(codec, spec->cur_adc, 0, 0, 0);
+		snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
 		spec->cur_adc = new_adc;
 		snd_hda_codec_setup_stream(codec, new_adc,
 					   spec->cur_adc_stream_tag, 0,

sound/pci/hda/patch_realtek.c

@@ -2409,8 +2409,8 @@ static int alc880_alt_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 {
 	struct alc_spec *spec = codec->spec;
 
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number + 1],
-				   0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec,
+				     spec->adc_nids[substream->number + 1]);
 	return 0;
 }
 

sound/pci/hda/patch_sigmatel.c

@@ -1932,7 +1932,7 @@ static int stac92xx_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 {
 	struct sigmatel_spec *spec = codec->spec;
 
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number], 0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
 	return 0;
 }
 

sound/pci/hda/patch_via.c

@@ -431,8 +431,7 @@ static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 				   struct snd_pcm_substream *substream)
 {
 	struct via_spec *spec = codec->spec;
-	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
-				   0, 0, 0);
+	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
 	return 0;
 }