[ALSA] opl3 - simplify exclusive access lock

Use the exclusive access lock in hwdep instead of the own one.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 0 insertions, 14 deletions

diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
index d55eefce44c1..a7bf7a4b1f85 100644
--- a/sound/drivers/opl3/opl3_synth.c
+++ b/sound/drivers/opl3/opl3_synth.c
@@ -76,16 +76,6 @@ static int snd_opl3_set_connection(struct snd_opl3 * opl3, int connection);
  */
 int snd_opl3_open(struct snd_hwdep * hw, struct file *file)
 {
-        struct snd_opl3 *opl3 = hw->private_data;
-
-        mutex_lock(&opl3->access_mutex);
-        if (opl3->used) {
-                mutex_unlock(&opl3->access_mutex);
-                return -EAGAIN;
-        }
-        opl3->used++;
-        mutex_unlock(&opl3->access_mutex);
-
         return 0;
 }
 
@@ -185,10 +175,6 @@ int snd_opl3_release(struct snd_hwdep * hw, struct file *file)
         struct snd_opl3 *opl3 = hw->private_data;
 
         snd_opl3_reset(opl3);
-        mutex_lock(&opl3->access_mutex);
-        opl3->used--;
-        mutex_unlock(&opl3->access_mutex);
-
         return 0;
 }