ALSA: Remove unneeded snd_pcm_substream.timer_lock

The timer callbacks are called in the protected status by the lock
of the timer instance, so there is no need for an extra lock in the
PCM substream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 40c5a6fa6bcd..e4f60076e6c4 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -364,7 +364,6 @@ struct snd_pcm_substream {
         /* -- timer section -- */
         struct snd_timer *timer;                /* timer */
         unsigned timer_running: 1;      /* time is running */
-        spinlock_t timer_lock;
         /* -- next substream -- */
         struct snd_pcm_substream *next;
         /* -- linked substreams -- */