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@xxxxxxxxx>
Both:
Acked-by: Vinod Koul <vinod.koul@xxxxxxxxx>
> ---
> 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
>
--
~Vinod
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