This is a note to let you know that I've just added the patch titled
ALSA: hda/tas2781: add lock to system_suspend
to the 6.6-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:
alsa-hda-tas2781-add-lock-to-system_suspend.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3201599236babb69e93014110dcf7041da107e48
Author: Gergo Koteles <soyer@xxxxxx>
Date: Fri Mar 8 18:41:41 2024 +0100
ALSA: hda/tas2781: add lock to system_suspend
[ Upstream commit c58e6ed55a1bb9811d6d936d001b068bb0419467 ]
Add the missing lock around tasdevice_tuning_switch().
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Signed-off-by: Gergo Koteles <soyer@xxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Message-ID: <c666da13d4bc48cd1ab1357479e0c6096541372c.1709918447.git.soyer@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 1abe04e2685d9..afaa7ee171a7b 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -796,9 +796,13 @@ static int tas2781_system_suspend(struct device *dev)
if (ret)
return ret;
+ mutex_lock(&tas_hda->priv->codec_lock);
+
/* Shutdown chip before system suspend */
tasdevice_tuning_switch(tas_hda->priv, 1);
+ mutex_unlock(&tas_hda->priv->codec_lock);
+
/*
* Reset GPIO may be shared, so cannot reset here.
* However beyond this point, amps may be powered down.
