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-rw-r--r--sound/soc/codecs/cs35l56.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c
index 9c2d9cbc63d3..f9059780b7a7 100644
--- a/sound/soc/codecs/cs35l56.c
+++ b/sound/soc/codecs/cs35l56.c
@@ -1186,6 +1186,12 @@ post_soft_reset:
/* Registers could be dirty after soft reset or SoundWire enumeration */
regcache_sync(cs35l56->base.regmap);
+ /* Set ASP1 DOUT to high-impedance when it is not transmitting audio data. */
+ ret = regmap_set_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3,
+ CS35L56_ASP1_DOUT_HIZ_CTRL_MASK);
+ if (ret)
+ return dev_err_probe(cs35l56->base.dev, ret, "Failed to write ASP1_CONTROL3\n");
+
cs35l56->base.init_done = true;
complete(&cs35l56->init_completion);