From: Lydia Wang lydiawang@viatech.com.cn Subject: ALSA: HDA VIA: Replace via_playback_pcm_prepare/cleanup

Replaced with via_playback_multi_pcm_prepare/cleanup to support multi-stream operations

Signed-off-by: Lydia Wang lydiawang@viatech.com.cn Signed-off-by: Logan Li loganli@viatech.com.cn

--- pci/hda/patch_via.c | 40 +++++++++------------------------------- 1 file changed, 9 insertions(+), 31 deletions(-)

--- a/pci/hda/patch_via.c +++ b/pci/hda/patch_via.c @@ -1022,28 +1022,6 @@ hinfo); }

-static int via_playback_pcm_prepare(struct hda_pcm_stream *hinfo, - struct hda_codec *codec, - unsigned int stream_tag, - unsigned int format, - struct snd_pcm_substream *substream) -{ - struct via_spec *spec = codec->spec; - vt1708_start_hp_work(spec); - return snd_hda_multi_out_analog_prepare(codec, &spec->multiout, - stream_tag, format, substream); -} - -static int via_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, - struct hda_codec *codec, - struct snd_pcm_substream *substream) -{ - struct via_spec *spec = codec->spec; - vt1708_stop_hp_work(spec); - return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout); -} - - static void playback_multi_pcm_prep_0(struct hda_codec *codec, unsigned int stream_tag, unsigned int format, @@ -1252,7 +1230,7 @@ };

static struct hda_pcm_stream vt1708_pcm_analog_s16_playback = { - .substreams = 1, + .substreams = 2, .channels_min = 2, .channels_max = 8, .nid = 0x10, /* NID to query formats and rates */ @@ -1263,8 +1241,8 @@ .formats = SNDRV_PCM_FMTBIT_S16_LE, .ops = { .open = via_playback_pcm_open, - .prepare = via_playback_pcm_prepare, - .cleanup = via_playback_pcm_cleanup + .prepare = via_playback_multi_pcm_prepare, + .cleanup = via_playback_multi_pcm_cleanup }, };

@@ -2061,8 +2039,8 @@ .nid = 0x10, /* NID to query formats and rates */ .ops = { .open = via_playback_pcm_open, - .prepare = via_playback_pcm_prepare, - .cleanup = via_playback_pcm_cleanup + .prepare = via_playback_multi_pcm_prepare, + .cleanup = via_playback_multi_pcm_cleanup, }, };

@@ -2073,8 +2051,8 @@ .nid = 0x10, /* NID to query formats and rates */ .ops = { .open = via_playback_pcm_open, - .prepare = via_playback_pcm_prepare, - .cleanup = via_playback_pcm_cleanup + .prepare = via_playback_multi_pcm_prepare, + .cleanup = via_playback_multi_pcm_cleanup, }, };

@@ -3165,8 +3143,8 @@ .nid = 0x10, /* NID to query formats and rates */ .ops = { .open = via_playback_pcm_open, - .prepare = via_playback_pcm_prepare, - .cleanup = via_playback_pcm_cleanup, + .prepare = via_playback_multi_pcm_prepare, + .cleanup = via_playback_multi_pcm_cleanup, .close = via_pcm_open_close }, };