Commit e8883cb6 authored May 31, 2017 by Dharageswari R Committed by Mark Brown Jun 06, 2017

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>

parent 7a1b749b

sound/soc/intel/boards/bxt_rt298.c

+2 −5

Original line number	Diff line number	Diff line
		@@ -222,16 +222,13 @@ static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
		{
		struct snd_interval *channels = hw_param_interval(params,
		SNDRV_PCM_HW_PARAM_CHANNELS);
		if (params_channels(params) == 2)
		channels->min = channels->max = 2;
		else
		channels->min = channels->max = 4;

		return 0;
		}

		static unsigned int channels_dmic[] = {
		2, 4,
		1, 2, 3, 4,
		};

		static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {