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-rw-r--r--sound/soc/codecs/tlv320adcx140.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index b55f0b836932..0b729658fde8 100644
--- a/sound/soc/codecs/tlv320adcx140.c
+++ b/sound/soc/codecs/tlv320adcx140.c
@@ -33,7 +33,6 @@ struct adcx140_priv {
bool micbias_vg;
unsigned int dai_fmt;
- unsigned int tdm_delay;
unsigned int slot_width;
};
@@ -792,12 +791,13 @@ static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai,
{
struct snd_soc_component *component = codec_dai->component;
struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
- unsigned int lsb;
- /* TDM based on DSP mode requires slots to be adjacent */
- lsb = __ffs(tx_mask);
- if ((lsb + 1) != __fls(tx_mask)) {
- dev_err(component->dev, "Invalid mask, slots must be adjacent\n");
+ /*
+ * The chip itself supports arbitrary masks, but the driver currently
+ * only supports adjacent slots beginning at the first slot.
+ */
+ if (tx_mask != GENMASK(__fls(tx_mask), 0)) {
+ dev_err(component->dev, "Only lower adjacent slots are supported\n");
return -EINVAL;
}
@@ -812,7 +812,6 @@ static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- adcx140->tdm_delay = lsb;
adcx140->slot_width = slot_width;
return 0;