Unverified Commit 75c2ecb4 authored by Codrin Ciubotariu's avatar Codrin Ciubotariu Committed by Mark Brown
Browse files

ASoC: codecs: ad193x: Set constraint to always have 32 sample bits 



DACs and ADCs on ad193x codecs require a 32 bit slot size. We should
assure that no other size is used.

Signed-off-by: default avatarCodrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7aac8d13

sound/soc/codecs/ad193x.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -37,6 +37,13 @@ static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1, 




static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);

static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);





static const unsigned int ad193x_sb[] = {32};



static struct snd_pcm_hw_constraint_list constr = {

	.list = ad193x_sb,

	.count = ARRAY_SIZE(ad193x_sb),

};



static const struct snd_kcontrol_new ad193x_snd_controls[] = {

static const struct snd_kcontrol_new ad193x_snd_controls[] = {

	/* DAC volume control */

	/* DAC volume control */

	SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL,

	SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL,
@@ -321,7 +328,16 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream, 
	return 0;

	return 0;

}

}





static int ad193x_startup(struct snd_pcm_substream *substream,

			  struct snd_soc_dai *dai)

{

	return snd_pcm_hw_constraint_list(substream->runtime, 0,

				   SNDRV_PCM_HW_PARAM_SAMPLE_BITS,

				   &constr);

}



static const struct snd_soc_dai_ops ad193x_dai_ops = {

static const struct snd_soc_dai_ops ad193x_dai_ops = {

	.startup = ad193x_startup,

	.hw_params = ad193x_hw_params,

	.hw_params = ad193x_hw_params,

	.digital_mute = ad193x_mute,

	.digital_mute = ad193x_mute,

	.set_tdm_slot = ad193x_set_tdm_slot,

	.set_tdm_slot = ad193x_set_tdm_slot,

CRA Git | Maintained and supported by SUSTech CRA and CCSE