ALSA: fireface: support allocate_resources operation in ff400 protocol

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This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit implements allocate_resources callback for ff400 protocol.
In this callback, sampling transfer frequency is configured to the
device as well.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Sakamoto 2019-06-02 16:12:54 +09:00 • committed by Takashi Iwai

parent ca8159a8e6

commit 75be43d97f

1 changed files with 16 additions and 20 deletions

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sound/firewire/fireface/ff-protocol-former.c

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