ASoC: cs35l56: Disable low-power hibernation mode

Do not allow the CS35L56 to be put into its lowest power
"hibernation" mode. This only affects I2C because "hibernation"
is already disabled on SPI and SoundWire.

Recent firmwares need a different wake-up sequence. Until
that sequence has been specified, the chip "hibernation" mode
must be disabled otherwise it can intermittently fail to wake.

THIS WILL NOT APPLY CLEANLY TO 6.5 AND EARLIER:
We will send a separate backport patch to stable.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230912133841.3480466-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs35l56-i2c.c b/sound/soc/codecs/cs35l56-i2c.c
index 9f4f2f4f23f5668c846f2a051eee64c533deb38f..d10e0e2380e852a5ba3b59f749fa685d923634c0 100644 (file)
--- a/sound/soc/codecs/cs35l56-i2c.c
+++ b/sound/soc/codecs/cs35l56-i2c.c
@@ -27,7 +27,6 @@ static int cs35l56_i2c_probe(struct i2c_client *client)
                return -ENOMEM;
 
        cs35l56->base.dev = dev;
-       cs35l56->base.can_hibernate = true;
 
        i2c_set_clientdata(client, cs35l56);
        cs35l56->base.regmap = devm_regmap_init_i2c(client, regmap_config);