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

소스 검색 
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>
This commit is contained in:
Takashi Sakamoto
2019-06-12 17:44:11 +09:00
committed by Takashi Iwai
부모 fb56eb73c6
커밋 3d7250667e
4개의 변경된 파일과 59개의 추가작업 그리고 34개의 파일을 삭제
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sound/firewire/fireworks/fireworks.h
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@@ -206,7 +206,8 @@ int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
int snd_efw_stream_init_duplex(struct snd_efw *efw);
int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate);
int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate);
int snd_efw_stream_start_duplex(struct snd_efw *efw);
void snd_efw_stream_stop_duplex(struct snd_efw *efw);
void snd_efw_stream_update_duplex(struct snd_efw *efw);
void snd_efw_stream_destroy_duplex(struct snd_efw *efw);