diff options
Diffstat (limited to 'sound/firewire/oxfw/oxfw-midi.c')
| -rw-r--r-- | sound/firewire/oxfw/oxfw-midi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sound/firewire/oxfw/oxfw-midi.c b/sound/firewire/oxfw/oxfw-midi.c index 092493497f1a..9ba62778add2 100644 --- a/sound/firewire/oxfw/oxfw-midi.c +++ b/sound/firewire/oxfw/oxfw-midi.c @@ -19,8 +19,11 @@ static int midi_capture_open(struct snd_rawmidi_substream *substream) mutex_lock(&oxfw->mutex); - ++oxfw->substreams_count; - err = snd_oxfw_stream_start_duplex(oxfw, &oxfw->tx_stream, 0, 0); + err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0); + if (err >= 0) { + ++oxfw->substreams_count; + err = snd_oxfw_stream_start_duplex(oxfw); + } mutex_unlock(&oxfw->mutex); @@ -41,8 +44,11 @@ static int midi_playback_open(struct snd_rawmidi_substream *substream) mutex_lock(&oxfw->mutex); - ++oxfw->substreams_count; - err = snd_oxfw_stream_start_duplex(oxfw, &oxfw->rx_stream, 0, 0); + err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0); + if (err >= 0) { + ++oxfw->substreams_count; + err = snd_oxfw_stream_start_duplex(oxfw); + } mutex_unlock(&oxfw->mutex); |