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);