Unverified Commit ec7ba9e1 authored by Tzung-Bi Shih's avatar Tzung-Bi Shih Committed by Mark Brown
Browse files

ASoC: mediatek: mt8183-da7219: change supported formats of DL2 and UL1 



DL2 and UL1 are for BTSCO.  Provides only 16-bit, mono, 8kHz and
16kHz to userspace.

Signed-off-by: default avatarTzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200213112003.1.Ie5aedb9d34ebfc7f05ceb382bfe346c45331cd63@changeid


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d8dd3f92

sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c

+42 −0
Original line number Diff line number Diff line
@@ -116,6 +116,46 @@ static int mt8183_i2s_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 
	return 0;

}



static int

mt8183_da7219_max98357_bt_sco_startup(

	struct snd_pcm_substream *substream)

{

	static const unsigned int rates[] = {

		8000, 16000

	};

	static const struct snd_pcm_hw_constraint_list constraints_rates = {

		.count = ARRAY_SIZE(rates),

		.list  = rates,

		.mask = 0,

	};

	static const unsigned int channels[] = {

		1,

	};

	static const struct snd_pcm_hw_constraint_list constraints_channels = {

		.count = ARRAY_SIZE(channels),

		.list = channels,

		.mask = 0,

	};



	struct snd_pcm_runtime *runtime = substream->runtime;



	snd_pcm_hw_constraint_list(runtime, 0,

			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);

	runtime->hw.channels_max = 1;

	snd_pcm_hw_constraint_list(runtime, 0,

			SNDRV_PCM_HW_PARAM_CHANNELS,

			&constraints_channels);



	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;

	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);



	return 0;

}



static const struct snd_soc_ops mt8183_da7219_max98357_bt_sco_ops = {

	.startup = mt8183_da7219_max98357_bt_sco_startup,

};



/* FE */

SND_SOC_DAILINK_DEFS(playback1,

	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
@@ -222,6 +262,7 @@ static struct snd_soc_dai_link mt8183_da7219_max98357_dai_links[] = { 
			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_playback = 1,

		.ops = &mt8183_da7219_max98357_bt_sco_ops,

		SND_SOC_DAILINK_REG(playback2),

	},

	{
@@ -240,6 +281,7 @@ static struct snd_soc_dai_link mt8183_da7219_max98357_dai_links[] = { 
			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_capture = 1,

		.ops = &mt8183_da7219_max98357_bt_sco_ops,

		SND_SOC_DAILINK_REG(capture1),

	},

	{

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