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 --- 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 ee3e0afc9b31..750e49fbb91e 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -885,9 +885,13 @@ 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.