ASoC: Merge up fixes

Needed for the Rockchip driver.

1 files changed, 6 insertions, 7 deletions

diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index 6618ac4a7d5c..2844a9d2bc4a 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;
 };
 
@@ -790,12 +789,13 @@ 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;
 	}
 
@@ -810,7 +810,6 @@ 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;