| Message ID | 1533252091-31918-1-git-send-email-yong.zhi@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] ASoC: Intel: bxt: Use refcap device for mono recording | expand |
On 8/2/18 4:21 PM, Yong Zhi wrote: > The refcap capture device supports mono recording only, this patch > adds the channel constraints. > > Signed-off-by: Yong Zhi <yong.zhi@intel.com> > Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> > --- > Changes since v1: > - Remove renaming of "Refcap". > - Add Reviewed-by tag. LGTM, thanks. > > sound/soc/intel/boards/bxt_da7219_max98357a.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c > index be6e4b40bf03..6f052fc8d1e2 100644 > --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c > +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c > @@ -324,8 +324,22 @@ static const struct snd_pcm_hw_constraint_list constraints_16000 = { > .list = rates_16000, > }; > > +static const unsigned int ch_mono[] = { > + 1, > +}; > + > +static const struct snd_pcm_hw_constraint_list constraints_refcap = { > + .count = ARRAY_SIZE(ch_mono), > + .list = ch_mono, > +}; > + > static int broxton_refcap_startup(struct snd_pcm_substream *substream) > { > + substream->runtime->hw.channels_max = 1; > + snd_pcm_hw_constraint_list(substream->runtime, 0, > + SNDRV_PCM_HW_PARAM_CHANNELS, > + &constraints_refcap); > + > return snd_pcm_hw_constraint_list(substream->runtime, 0, > SNDRV_PCM_HW_PARAM_RATE, > &constraints_16000); >
diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c index be6e4b40bf03..6f052fc8d1e2 100644 --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c @@ -324,8 +324,22 @@ static const struct snd_pcm_hw_constraint_list constraints_16000 = { .list = rates_16000, }; +static const unsigned int ch_mono[] = { + 1, +}; + +static const struct snd_pcm_hw_constraint_list constraints_refcap = { + .count = ARRAY_SIZE(ch_mono), + .list = ch_mono, +}; + static int broxton_refcap_startup(struct snd_pcm_substream *substream) { + substream->runtime->hw.channels_max = 1; + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_refcap); + return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_16000);