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Diffstat (limited to 'sound/firewire/bebob/bebob_stream.c')
-rw-r--r--sound/firewire/bebob/bebob_stream.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index 9ef4663d13e5..1070a675179d 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -404,13 +404,11 @@ static int make_both_connections(struct snd_bebob *bebob)
{
int err = 0;
- err = cmp_connection_establish(&bebob->out_conn,
- amdtp_stream_get_max_payload(&bebob->tx_stream));
+ err = cmp_connection_establish(&bebob->out_conn);
if (err < 0)
return err;
- err = cmp_connection_establish(&bebob->in_conn,
- amdtp_stream_get_max_payload(&bebob->rx_stream));
+ err = cmp_connection_establish(&bebob->in_conn);
if (err < 0) {
cmp_connection_break(&bebob->out_conn);
return err;
@@ -533,14 +531,23 @@ static int keep_resources(struct snd_bebob *bebob, struct amdtp_stream *stream,
unsigned int rate, unsigned int index)
{
struct snd_bebob_stream_formation *formation;
+ struct cmp_connection *conn;
+ int err;
- if (stream == &bebob->tx_stream)
+ if (stream == &bebob->tx_stream) {
formation = bebob->tx_stream_formations + index;
- else
+ conn = &bebob->out_conn;
+ } else {
formation = bebob->rx_stream_formations + index;
+ conn = &bebob->in_conn;
+ }
+
+ err = amdtp_am824_set_parameters(stream, rate, formation->pcm,
+ formation->midi, false);
+ if (err < 0)
+ return err;
- return amdtp_am824_set_parameters(stream, rate, formation->pcm,
- formation->midi, false);
+ return cmp_connection_reserve(conn, amdtp_stream_get_max_payload(stream));
}
int snd_bebob_stream_reserve_duplex(struct snd_bebob *bebob, unsigned int rate)
@@ -591,8 +598,10 @@ int snd_bebob_stream_reserve_duplex(struct snd_bebob *bebob, unsigned int rate)
return err;
err = keep_resources(bebob, &bebob->rx_stream, rate, index);
- if (err < 0)
+ if (err < 0) {
+ cmp_connection_release(&bebob->out_conn);
return err;
+ }
}
return 0;
@@ -685,6 +694,9 @@ void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob)
amdtp_stream_stop(&bebob->tx_stream);
break_both_connections(bebob);
+
+ cmp_connection_release(&bebob->out_conn);
+ cmp_connection_release(&bebob->in_conn);
}
}