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| author | Takashi Iwai <tiwai@suse.de> | 2008-03-18 09:57:50 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 12:00:26 +0200 |
| commit | 888afa15418f001896bc11f498f9348e029611bd (patch) | |
| tree | 7e0bb8f9c6d8d5d86b4cbd1fa473712f8b2f7c39 /sound/pci/hda/hda_codec.c | |
| parent | 117f257d7a9599ff9cb5ab7a6a10201c6294b5f1 (diff) | |
| download | linux-888afa15418f001896bc11f498f9348e029611bd.tar.gz linux-888afa15418f001896bc11f498f9348e029611bd.tar.bz2 linux-888afa15418f001896bc11f498f9348e029611bd.zip | |
[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>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index e6bace83e7cf..689d177c17bd 100644 --- a/sound/pci/hda/hda_codec.c +++ b/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); |