diff options
| -rw-r--r-- | sound/firewire/bebob/bebob_stream.c | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c index 895a113635af..bbae04793c50 100644 --- a/sound/firewire/bebob/bebob_stream.c +++ b/sound/firewire/bebob/bebob_stream.c @@ -398,23 +398,6 @@ check_connection_used_by_others(struct snd_bebob *bebob, struct amdtp_stream *s) return err; } -static int make_both_connections(struct snd_bebob *bebob) -{ - int err = 0; - - err = cmp_connection_establish(&bebob->out_conn); - if (err < 0) - return err; - - err = cmp_connection_establish(&bebob->in_conn); - if (err < 0) { - cmp_connection_break(&bebob->out_conn); - return err; - } - - return 0; -} - static void break_both_connections(struct snd_bebob *bebob) { cmp_connection_break(&bebob->in_conn); @@ -427,8 +410,7 @@ static void break_both_connections(struct snd_bebob *bebob) msleep(600); } -static int -start_stream(struct snd_bebob *bebob, struct amdtp_stream *stream) +static int start_stream(struct snd_bebob *bebob, struct amdtp_stream *stream) { struct cmp_connection *conn; int err = 0; @@ -438,18 +420,19 @@ start_stream(struct snd_bebob *bebob, struct amdtp_stream *stream) else conn = &bebob->out_conn; - /* channel mapping */ + // channel mapping. if (bebob->maudio_special_quirk == NULL) { err = map_data_channels(bebob, stream); if (err < 0) - goto end; + return err; } - // start amdtp stream. - err = amdtp_domain_add_stream(&bebob->domain, stream, - conn->resources.channel, conn->speed); -end: - return err; + err = cmp_connection_establish(conn); + if (err < 0) + return err; + + return amdtp_domain_add_stream(&bebob->domain, stream, + conn->resources.channel, conn->speed); } static int init_stream(struct snd_bebob *bebob, struct amdtp_stream *stream) @@ -638,6 +621,8 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob) } if (!amdtp_stream_running(&bebob->rx_stream)) { + enum snd_bebob_clock_type src; + struct amdtp_stream *master, *slave; unsigned int curr_rate; unsigned int ir_delay_cycle; @@ -647,15 +632,23 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob) return err; } - err = make_both_connections(bebob); + err = snd_bebob_stream_get_clock_src(bebob, &src); if (err < 0) return err; - err = start_stream(bebob, &bebob->rx_stream); + if (src != SND_BEBOB_CLOCK_TYPE_SYT) { + master = &bebob->tx_stream; + slave = &bebob->rx_stream; + } else { + master = &bebob->rx_stream; + slave = &bebob->tx_stream; + } + + err = start_stream(bebob, master); if (err < 0) goto error; - err = start_stream(bebob, &bebob->tx_stream); + err = start_stream(bebob, slave); if (err < 0) goto error; |