diff options
| author | Yong Zhi <yong.zhi@intel.com> | 2016-05-17 12:43:04 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-30 11:15:45 -0400 |
| commit | d6c9f6afaf4d309223c0ccc60f67f21e21d71a17 (patch) | |
| tree | 6d3ebb09675792097e801425f61d856d961dd75b /sound/soc/intel/boards | |
| parent | 2d0b29dca8d6fe49a73cfc16888c1d2e55111d7b (diff) | |
ASoC: Intel: Skylake: Add channel constraints for refcap
Add constraint for ref DMIC to match with the
topology firmware config.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/boards')
| -rw-r--r-- | sound/soc/intel/boards/skl_nau88l25_max98357a.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_nau88l25_max98357a.c b/sound/soc/intel/boards/skl_nau88l25_max98357a.c index d2808652b974..fc3f4750c432 100644 --- a/sound/soc/intel/boards/skl_nau88l25_max98357a.c +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c | |||
| @@ -382,8 +382,22 @@ static struct snd_pcm_hw_constraint_list constraints_16000 = { | |||
| 382 | .list = rates_16000, | 382 | .list = rates_16000, |
| 383 | }; | 383 | }; |
| 384 | 384 | ||
| 385 | static const unsigned int ch_mono[] = { | ||
| 386 | 1, | ||
| 387 | }; | ||
| 388 | |||
| 389 | static const struct snd_pcm_hw_constraint_list constraints_refcap = { | ||
| 390 | .count = ARRAY_SIZE(ch_mono), | ||
| 391 | .list = ch_mono, | ||
| 392 | }; | ||
| 393 | |||
| 385 | static int skylake_refcap_startup(struct snd_pcm_substream *substream) | 394 | static int skylake_refcap_startup(struct snd_pcm_substream *substream) |
| 386 | { | 395 | { |
| 396 | substream->runtime->hw.channels_max = 1; | ||
| 397 | snd_pcm_hw_constraint_list(substream->runtime, 0, | ||
| 398 | SNDRV_PCM_HW_PARAM_CHANNELS, | ||
| 399 | &constraints_refcap); | ||
| 400 | |||
| 387 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | 401 | return snd_pcm_hw_constraint_list(substream->runtime, 0, |
| 388 | SNDRV_PCM_HW_PARAM_RATE, | 402 | SNDRV_PCM_HW_PARAM_RATE, |
| 389 | &constraints_16000); | 403 | &constraints_16000); |