diff options
Diffstat (limited to 'sound/firewire/fireworks/fireworks_transaction.c')
| -rw-r--r-- | sound/firewire/fireworks/fireworks_transaction.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sound/firewire/fireworks/fireworks_transaction.c b/sound/firewire/fireworks/fireworks_transaction.c index aa56b8ac537c..255dabc6fc33 100644 --- a/sound/firewire/fireworks/fireworks_transaction.c +++ b/sound/firewire/fireworks/fireworks_transaction.c @@ -8,19 +8,19 @@ /* * Fireworks have its own transaction. The transaction can be delivered by AV/C - * Vendor Specific command. But at least Windows driver and firmware version 5.5 - * or later don't use it. + * Vendor Specific command frame or usual asynchronous transaction. At least, + * Windows driver and firmware version 5.5 or later don't use AV/C command. * * Transaction substance: - * At first, 6 data exist. Following to the 6 data, parameters for each - * commands exists. All of parameters are 32 bit alighed to big endian. + * At first, 6 data exist. Following to the data, parameters for each command + * exist. All of the parameters are 32 bit alighed to big endian. * data[0]: Length of transaction substance * data[1]: Transaction version * data[2]: Sequence number. This is incremented by the device - * data[3]: transaction category - * data[4]: transaction command - * data[5]: return value in response. - * data[6-]: parameters + * data[3]: Transaction category + * data[4]: Transaction command + * data[5]: Return value in response. + * data[6-]: Parameters * * Transaction address: * command: 0xecc000000000 @@ -148,7 +148,7 @@ copy_resp_to_buf(struct snd_efw *efw, void *data, size_t length, int *rcode) efw->push_ptr += till_end; if (efw->push_ptr >= efw->resp_buf + snd_efw_resp_buf_size) - efw->push_ptr = efw->resp_buf; + efw->push_ptr -= snd_efw_resp_buf_size; length -= till_end; data += till_end; |