From: Codrin Ciubotariu <codrin.ciubota...@microchip.com>
DACs and ADCs on ad193x codecs require a 32 bit slot size. We should
assure that no other size is used.
Signed-off-by: Codrin Ciubotariu <codrin.ciubota...@microchip.com>
---
sound/soc/codecs/ad193x.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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,
--
2.17.1
