Unverified Commit c736cbd3 authored by Akshu Agrawal's avatar Akshu Agrawal Committed by Mark Brown
Browse files

ASoC: AMD: Set constraints for DMIC and MAX98357a codec 



We support dual channel, 48Khz. This constraint was set only for
da7219. It is being extended to DMIC and MAX98357a.

Signed-off-by: default avatarAkshu Agrawal <akshu.agrawal@amd.com>
Reviewed-by: default avatarDaniel Kurtz <djkurtz@chromium.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6ee47d4a

sound/soc/amd/acp-da7219-max98357a.c

+33 −0
Original line number Diff line number Diff line
@@ -162,10 +162,21 @@ static void cz_da7219_shutdown(struct snd_pcm_substream *substream) 


static int cz_max_startup(struct snd_pcm_substream *substream)

{

	struct snd_pcm_runtime *runtime = substream->runtime;

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_card *card = rtd->card;

	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);



	/*

	 * On this platform for PCM device we support stereo

	 */



	runtime->hw.channels_max = DUAL_CHANNEL;

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,

				   &constraints_channels);

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,

				   &constraints_rates);



	machine->i2s_instance = I2S_BT_INSTANCE;

	return da7219_clk_enable(substream);

}
@@ -177,20 +188,42 @@ static void cz_max_shutdown(struct snd_pcm_substream *substream) 


static int cz_dmic0_startup(struct snd_pcm_substream *substream)

{

	struct snd_pcm_runtime *runtime = substream->runtime;

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_card *card = rtd->card;

	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);



	/*

	 * On this platform for PCM device we support stereo

	 */



	runtime->hw.channels_max = DUAL_CHANNEL;

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,

				   &constraints_channels);

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,

				   &constraints_rates);



	machine->i2s_instance = I2S_BT_INSTANCE;

	return da7219_clk_enable(substream);

}



static int cz_dmic1_startup(struct snd_pcm_substream *substream)

{

	struct snd_pcm_runtime *runtime = substream->runtime;

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_card *card = rtd->card;

	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);



	/*

	 * On this platform for PCM device we support stereo

	 */



	runtime->hw.channels_max = DUAL_CHANNEL;

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,

				   &constraints_channels);

	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,

				   &constraints_rates);



	machine->i2s_instance = I2S_SP_INSTANCE;

	machine->capture_channel = CAP_CHANNEL0;

	return da7219_clk_enable(substream);