[alsa-devel] [RFC] [PATCH] firewire-lib: add support for AV/C deferred transaction

[Takashi Sakamoto]

Clemens and Stefan,

Can I request your comments about attached patch?

This is for adding support of deferred transaction into
snd-firewire-lib. I confirm some BeBoB devices use this type of
transaction. If you have no negative comments, I'll add this patch for
my series.

For 'undefined interval' between INTERIM and final response, I want to
use 'FCP_TIMEOUT_MS' (=125msec) again. In specifications which I can
read, there is no limit for this interval. But I need to promise to
finish this function for callers.

According to AV/C general specification, targets can send INTERIM
response one time. But this patch allows to accept several ITERIM
responses for device quirks. I don't have devices which have such
quirks, but there may be such devices and I want to make codes simpler.


Regards

Takashi Sakamoto
o-takashi at sakamocchi.jp
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