[PATCH RFC 5/6] ASoC: cs35l36: Implement set_tdm_slot to program RX slot register
From: David Heidelberg via B4 Relay
Date: Sun Jul 05 2026 - 16:12:41 EST
From: David Heidelberg <david@xxxxxxx>
Program ASP_RX1_SLOT with the first set bit of rx_mask so the
amplifier listens on the correct TDM slot when configured by
machine drivers.
Assisted-by: Claude:claude-4.6-opus
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
sound/soc/codecs/cs35l36.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/sound/soc/codecs/cs35l36.c b/sound/soc/codecs/cs35l36.c
index 89645327945f1..944f4cb5763e4 100644
--- a/sound/soc/codecs/cs35l36.c
+++ b/sound/soc/codecs/cs35l36.c
@@ -942,20 +942,36 @@ static const struct cs35l36_pll_config *cs35l36_get_clk_config(
for (i = 0; i < ARRAY_SIZE(cs35l36_pll_sysclk); i++) {
if (cs35l36_pll_sysclk[i].freq == freq)
return &cs35l36_pll_sysclk[i];
}
return NULL;
}
+static int cs35l36_set_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(dai->component);
+
+ if (rx_mask)
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SLOT,
+ CS35L36_ASP_RX1_SLOT_MASK,
+ ffs(rx_mask) - 1);
+
+ return 0;
+}
+
static const struct snd_soc_dai_ops cs35l36_ops = {
.set_fmt = cs35l36_set_dai_fmt,
.hw_params = cs35l36_pcm_hw_params,
.set_sysclk = cs35l36_dai_set_sysclk,
+ .set_tdm_slot = cs35l36_set_tdm_slot,
};
#define CS35L36_RATES ( \
SNDRV_PCM_RATE_8000_48000 | \
SNDRV_PCM_RATE_12000 | \
SNDRV_PCM_RATE_24000 | \
SNDRV_PCM_RATE_88200 | \
SNDRV_PCM_RATE_96000 | \
--
2.53.0