This is a note to let you know that I've just added the patch titled
ASoC: tas2770: Add missing bias level power states
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-tas2770-add-missing-bias-level-power-states.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 250e42d2ec92309a58eb23c8b61a290a0dac01a1
Author: Dan Murphy <dmurphy@xxxxxx>
Date: Fri Sep 18 14:05:41 2020 -0500
ASoC: tas2770: Add missing bias level power states
[ Upstream commit 4272caf34aa4699eca8e6e7f4a8e5ea2bde275c9 ]
Add the BIAS_STANDBY and BIAS_PREPARE to the set_bias_level or else the
driver will return -EINVAL which is not correct as they are valid
states.
Fixes: 1a476abc723e6 ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
Link: https://lore.kernel.org/r/20200918190548.12598-2-dmurphy@xxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 03d7ad1885b81..7c6f61946ab39 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -57,7 +57,12 @@ static int tas2770_set_bias_level(struct snd_soc_component *component,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_ACTIVE);
break;
-
+ case SND_SOC_BIAS_STANDBY:
+ case SND_SOC_BIAS_PREPARE:
+ snd_soc_component_update_bits(component,
+ TAS2770_PWR_CTRL,
+ TAS2770_PWR_CTRL_MASK, TAS2770_PWR_CTRL_MUTE);
+ break;
case SND_SOC_BIAS_OFF:
snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
