diff options
Diffstat (limited to 'sound/firewire/fireface')
| -rw-r--r-- | sound/firewire/fireface/amdtp-ff.c | 2 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-stream.c | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/sound/firewire/fireface/amdtp-ff.c b/sound/firewire/fireface/amdtp-ff.c index 119c0076b17a..98177b0666d3 100644 --- a/sound/firewire/fireface/amdtp-ff.c +++ b/sound/firewire/fireface/amdtp-ff.c @@ -168,6 +168,6 @@ int amdtp_ff_init(struct amdtp_stream *s, struct fw_unit *unit, else process_ctx_payloads = process_it_ctx_payloads; - return amdtp_stream_init(s, unit, dir, CIP_NO_HEADER, 0, + return amdtp_stream_init(s, unit, dir, CIP_BLOCKING | CIP_UNAWARE_SYT | CIP_NO_HEADER, 0, process_ctx_payloads, sizeof(struct amdtp_ff)); } diff --git a/sound/firewire/fireface/ff-stream.c b/sound/firewire/fireface/ff-stream.c index 97c356f2ac04..95bf405adb3d 100644 --- a/sound/firewire/fireface/ff-stream.c +++ b/sound/firewire/fireface/ff-stream.c @@ -199,7 +199,11 @@ int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate) if (err < 0) goto error; - err = amdtp_domain_start(&ff->domain, 0, false, false); + // NOTE: The device doesn't transfer packets unless receiving any packet. The + // sequence of tx packets includes cycle skip corresponding to empty packet or + // NODATA packet in IEC 61883-1/6. The sequence of the number of data blocks per + // packet is important for media clock recovery. + err = amdtp_domain_start(&ff->domain, 0, true, true); if (err < 0) goto error; |