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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2014-06-04 08:25:34 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-06-04 14:36:21 +0200 |
| commit | 72f784f7d0da3072ee9ad9b31b88094bc0abc2df (patch) | |
| tree | 2a9b0323e1371f3fba89d76d37309798a50ee8b1 /sound | |
| parent | ALSA: fireworks: Use safer way to arrange ring buffer pointer (diff) | |
| download | linux-72f784f7d0da3072ee9ad9b31b88094bc0abc2df.tar.xz linux-72f784f7d0da3072ee9ad9b31b88094bc0abc2df.zip | |
ALSA: fireworks: Improve comments about Fireworks transaction
It includes descriptions to cause misreading.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/firewire/fireworks/fireworks_transaction.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sound/firewire/fireworks/fireworks_transaction.c b/sound/firewire/fireworks/fireworks_transaction.c index a6a9e9fd66b9..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 |