diff mbox

[1/2] ASoC: Intel: Skylake: Add channel constraints for refcap

Message ID 1463503385-4535-1-git-send-email-yong.zhi@intel.com (mailing list archive)
State Accepted
Commit d6c9f6afaf4d309223c0ccc60f67f21e21d71a17
Headers show

Commit Message

Zhi, Yong May 17, 2016, 4:43 p.m. UTC
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(+)

Comments

Vinod Koul May 19, 2016, 3:39 a.m. UTC | #1
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
>
diff mbox

Patch

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);