ALSA: ak411x: Fix race of reinit() calls

[mirror_ubuntu-bionic-kernel.git] / include / sound / ak4113.h

diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h
index f4fbf6888e781a7f228691f8eee9ada0c1678f41..58c145620c3c0c853bce37d0f8bac8903e95e318 100644 (file)
--- a/include/sound/ak4113.h
+++ b/include/sound/ak4113.h
@@ -287,6 +287,7 @@ struct ak4113 {
        ak4113_read_t *read;
        void *private_data;
        atomic_t wq_processing;
+       struct mutex reinit_mutex;
        spinlock_t lock;
        unsigned char regmap[AK4113_WRITABLE_REGS];
        struct snd_kcontrol *kctls[AK4113_CONTROLS];