From: Gergo Koteles soyer@irl.hu
[ 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@irl.hu Signed-off-by: Takashi Iwai tiwai@suse.de Message-ID: c666da13d4bc48cd1ab1357479e0c6096541372c.1709918447.git.soyer@irl.hu Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/tas2781_hda_i2c.c | 4 ++++ 1 file changed, 4 insertions(+)
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.