diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-09-28 16:43:36 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-09-28 16:43:36 +0200 |
| commit | a597310331177cd3969f840a9a6290e3c212e4cf (patch) | |
| tree | 730b7f930e4b54edeae106ecf8470f1312269d6e | |
| parent | 218264ae9ab3e12a785e1faeb2e15c8ae7172863 (diff) | |
ALSA: hda:via - Skip creations of empty PCM streams
If no analog I/O is defined, skip creating the corresponding PCM stream.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/patch_via.c | 68 |
1 files changed, 40 insertions, 28 deletions
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 4ebfbd874c9a..417d62ad3b96 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1506,39 +1506,49 @@ static int via_build_pcms(struct hda_codec *codec) struct via_spec *spec = codec->spec; struct hda_pcm *info = spec->pcm_rec; - codec->num_pcms = 1; + codec->num_pcms = 0; codec->pcm_info = info; - snprintf(spec->stream_name_analog, sizeof(spec->stream_name_analog), - "%s Analog", codec->chip_name); - info->name = spec->stream_name_analog; + if (spec->multiout.num_dacs || spec->num_adc_nids) { + snprintf(spec->stream_name_analog, + sizeof(spec->stream_name_analog), + "%s Analog", codec->chip_name); + info->name = spec->stream_name_analog; - if (!spec->stream_analog_playback) - spec->stream_analog_playback = &via_pcm_analog_playback; - info->stream[SNDRV_PCM_STREAM_PLAYBACK] = - *spec->stream_analog_playback; - info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = - spec->multiout.dac_nids[0]; - info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = - spec->multiout.max_channels; + if (spec->multiout.num_dacs) { + if (!spec->stream_analog_playback) + spec->stream_analog_playback = + &via_pcm_analog_playback; + info->stream[SNDRV_PCM_STREAM_PLAYBACK] = + *spec->stream_analog_playback; + info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = + spec->multiout.dac_nids[0]; + info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = + spec->multiout.max_channels; + } - if (!spec->stream_analog_capture) { - if (spec->dyn_adc_switch) - spec->stream_analog_capture = - &via_pcm_dyn_adc_analog_capture; - else - spec->stream_analog_capture = &via_pcm_analog_capture; + if (!spec->stream_analog_capture) { + if (spec->dyn_adc_switch) + spec->stream_analog_capture = + &via_pcm_dyn_adc_analog_capture; + else + spec->stream_analog_capture = + &via_pcm_analog_capture; + } + if (spec->num_adc_nids) { + info->stream[SNDRV_PCM_STREAM_CAPTURE] = + *spec->stream_analog_capture; + info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = + spec->adc_nids[0]; + if (!spec->dyn_adc_switch) + info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = + spec->num_adc_nids; + } + codec->num_pcms++; + info++; } - info->stream[SNDRV_PCM_STREAM_CAPTURE] = - *spec->stream_analog_capture; - info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0]; - if (!spec->dyn_adc_switch) - info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = - spec->num_adc_nids; if (spec->multiout.dig_out_nid || spec->dig_in_nid) { - codec->num_pcms++; - info++; snprintf(spec->stream_name_digital, sizeof(spec->stream_name_digital), "%s Digital", codec->chip_name); @@ -1562,17 +1572,19 @@ static int via_build_pcms(struct hda_codec *codec) info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid; } + codec->num_pcms++; + info++; } if (spec->hp_dac_nid) { - codec->num_pcms++; - info++; snprintf(spec->stream_name_hp, sizeof(spec->stream_name_hp), "%s HP", codec->chip_name); info->name = spec->stream_name_hp; info->stream[SNDRV_PCM_STREAM_PLAYBACK] = via_pcm_hp_playback; info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->hp_dac_nid; + codec->num_pcms++; + info++; } return 0; } |