[alsa-devel] [PATCH 1/2] 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 --- sound/soc/intel/boards/skl_nau88l25_max98357a.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/sound/soc/intel/boards/skl_nau88l25_max98357a.c b/sound/soc/intel/boards/skl_nau88l25_max98357a.c index 7cc7251..463f0e5 100644 --- a/sound/soc/intel/boards/skl_nau88l25_max98357a.c +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c @@ -339,8 +339,22 @@ static 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 skylake_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);
Only mono channel is allowed for refcap device.
Signed-off-by: Yong Zhi yong.zhi@intel.com --- sound/soc/intel/boards/skl_nau88l25_ssm4567.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c index 73cbddb..65002bd 100644 --- a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c +++ b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c @@ -388,8 +388,22 @@ static 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 skylake_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);
On Tue, May 17, 2016 at 09:43:04AM -0700, Yong Zhi wrote:
Add constraint for ref DMIC to match with the topology firmware config.
Signed-off-by: Yong Zhi yong.zhi@intel.com
Both:
Acked-by: Vinod Koul vinod.koul@intel.com
sound/soc/intel/boards/skl_nau88l25_max98357a.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/sound/soc/intel/boards/skl_nau88l25_max98357a.c b/sound/soc/intel/boards/skl_nau88l25_max98357a.c index 7cc7251..463f0e5 100644 --- a/sound/soc/intel/boards/skl_nau88l25_max98357a.c +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c @@ -339,8 +339,22 @@ static 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 skylake_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);
-- 1.9.1
participants (2)
-
Vinod Koul -
Yong Zhi