diff options
Diffstat (limited to 'sound/soc/codecs/ad193x.c')
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 21a38cc9e3da..c16c9969d1a0 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -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 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[] = { /* DAC volume control */ 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; } +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 = { + .startup = ad193x_startup, .hw_params = ad193x_hw_params, .digital_mute = ad193x_mute, .set_tdm_slot = ad193x_set_tdm_slot, |