[media] tea575x: allow multiple opens

Change locking to allow tea575x-radio device to be opened multiple times.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h
index 5aa8186e7820..726e94742a5c 100644
--- a/include/sound/tea575x-tuner.h
+++ b/include/sound/tea575x-tuner.h
@@ -49,7 +49,7 @@ struct snd_tea575x {
         bool tuned;                     /* tuned to a station */
         unsigned int val;               /* hw value */
         unsigned long freq;             /* frequency */
-        unsigned long in_use;           /* set if the device is in use */
+        struct mutex mutex;
         struct snd_tea575x_ops *ops;
         void *private_data;
         u8 card[32];