diff options
Diffstat (limited to 'sound/core/timer.c')
| -rw-r--r-- | sound/core/timer.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c index f24c9fccf..dca817fc7 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -929,11 +929,6 @@ static int snd_timer_dev_register(struct snd_device *dev) return 0; } -/* just for reference in snd_timer_dev_disconnect() below */ -static void snd_timer_user_ccallback(struct snd_timer_instance *timeri, - int event, struct timespec *tstamp, - unsigned long resolution); - static int snd_timer_dev_disconnect(struct snd_device *device) { struct snd_timer *timer = device->device_data; @@ -943,13 +938,8 @@ static int snd_timer_dev_disconnect(struct snd_device *device) list_del_init(&timer->device_list); /* wake up pending sleepers */ list_for_each_entry(ti, &timer->open_list_head, open_list) { - /* FIXME: better to have a ti.disconnect() op */ - if (ti->ccallback == snd_timer_user_ccallback) { - struct snd_timer_user *tu = ti->callback_data; - - tu->disconnected = true; - wake_up(&tu->qchange_sleep); - } + if (ti->disconnect) + ti->disconnect(ti); } mutex_unlock(®ister_mutex); return 0; @@ -1072,11 +1062,21 @@ static int snd_timer_s_stop(struct snd_timer * timer) return 0; } +static int snd_timer_s_close(struct snd_timer *timer) +{ + struct snd_timer_system_private *priv; + + priv = (struct snd_timer_system_private *)timer->private_data; + del_timer_sync(&priv->tlist); + return 0; +} + static struct snd_timer_hardware snd_timer_system = { .flags = SNDRV_TIMER_HW_FIRST | SNDRV_TIMER_HW_TASKLET, .resolution = 1000000000L / HZ, .ticks = 10000000L, + .close = snd_timer_s_close, .start = snd_timer_s_start, .stop = snd_timer_s_stop }; @@ -1257,6 +1257,14 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri, wake_up(&tu->qchange_sleep); } +static void snd_timer_user_disconnect(struct snd_timer_instance *timeri) +{ + struct snd_timer_user *tu = timeri->callback_data; + + tu->disconnected = true; + wake_up(&tu->qchange_sleep); +} + static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri, unsigned long resolution, unsigned long ticks) @@ -1630,6 +1638,7 @@ static int snd_timer_user_tselect(struct file *file, ? snd_timer_user_tinterrupt : snd_timer_user_interrupt; tu->timeri->ccallback = snd_timer_user_ccallback; tu->timeri->callback_data = (void *)tu; + tu->timeri->disconnect = snd_timer_user_disconnect; } __err: |