ALSA: fireworks: configure sampling transfer frequency in pcm.hw_params callback

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

At present, several operations are done in pcm.prepare callback. To
reduce load of the callback, This commit splits out an operation to
set sampling transfer frequency in pcm.hw_params callback.

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

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Takashi Sakamoto 2019-06-12 17:44:11 +09:00 • committed by Takashi Iwai

parent fb56eb73c6

commit 3d7250667e

4 changed files with 57 additions and 32 deletions

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3

sound/firewire/fireworks/fireworks.h

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7

sound/firewire/fireworks/fireworks_midi.c

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14

sound/firewire/fireworks/fireworks_pcm.c

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69

sound/firewire/fireworks/fireworks_stream.c

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