diff options
Diffstat (limited to 'sound/firewire/motu/motu-midi.c')
| -rw-r--r-- | sound/firewire/motu/motu-midi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/firewire/motu/motu-midi.c b/sound/firewire/motu/motu-midi.c index 3b205386ed24..a463730c72bc 100644 --- a/sound/firewire/motu/motu-midi.c +++ b/sound/firewire/motu/motu-midi.c @@ -18,8 +18,11 @@ static int midi_open(struct snd_rawmidi_substream *substream) mutex_lock(&motu->mutex); - motu->substreams_counter++; - err = snd_motu_stream_start_duplex(motu, 0); + err = snd_motu_stream_reserve_duplex(motu, 0); + if (err >= 0) { + ++motu->substreams_counter; + err = snd_motu_stream_start_duplex(motu); + } mutex_unlock(&motu->mutex); @@ -35,8 +38,9 @@ static int midi_close(struct snd_rawmidi_substream *substream) mutex_lock(&motu->mutex); - motu->substreams_counter--; + --motu->substreams_counter; snd_motu_stream_stop_duplex(motu); + snd_motu_stream_release_duplex(motu); mutex_unlock(&motu->mutex); |