diff options
Diffstat (limited to 'sound/firewire/oxfw/oxfw.c')
| -rw-r--r-- | sound/firewire/oxfw/oxfw.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index e851149c5280..9a9c84bc811a 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -332,14 +332,30 @@ static const struct compat_info lacie_speakers = { } static const struct ieee1394_device_id oxfw_id_table[] = { + // + // OXFW970 devices: + // Initial firmware has a quirk to postpone isoc packet transmission during finishing async + // transaction. As a result, several isochronous cycles are skipped to transfer the packets + // and the audio data frames which should have been transferred during the cycles are put + // into packet at the first isoc cycle after the postpone. Furthermore, the value of SYT + // field in CIP header is not reliable as synchronization timing, + // OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave), OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers), - // Behringer,F-Control Audio 202. + // Behringer,F-Control Audio 202. The value of SYT field is not reliable at all. OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL), - // Loud Technologies, Tapco Link.FireWire 4x6. + // Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff. OXFW_DEV_ENTRY(VENDOR_LOUD, 0x000460, NULL), - // Loud Technologies, Mackie Onyx Satellite. + // Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is + // installed to avoid the postpone, the value of SYT field is always 0xffff. OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL), + // Miglia HarmonyAudio. Not yet identified. + + // + // OXFW971 devices: + // The value of SYT field in CIP header is enough reliable. Both of blocking and non-blocking + // transmission methods are available. + // // Any Mackie(Loud) models (name string/model id): // Onyx-i series (former models): 0x081216 // Onyx 1640i: 0x001640 |