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ASoC: Intel: Boards: Add 4-channel DMIC fixup. 

This patch adds a 4-channel dmic fixup so that DMIC copier will receive
4 channel data and further selection will be done by mic-select module.

Signed-off-by: Dharageswari R <dharageswari.r@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dharageswari R 2017-05-31 10:30:26 +05:30 committed by Mark Brown
parent 7a1b749b34
commit e8883cb61a
1 changed files with 2 additions and 5 deletions
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7
sound/soc/intel/boards/bxt_rt298.c
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@ -222,16 +222,13 @@ static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
{ {
struct snd_interval *channels = hw_param_interval(params, struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS); SNDRV_PCM_HW_PARAM_CHANNELS);
if (params_channels(params) == 2) channels->min = channels->max = 4;
channels->min = channels->max = 2;
else
channels->min = channels->max = 4;
return 0; return 0;
} }
static unsigned int channels_dmic[] = { static unsigned int channels_dmic[] = {
2, 4, 1, 2, 3, 4,
}; };
static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {