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- #ifndef __USBAUDIO_URB_H
- #define __USBAUDIO_URB_H
- void snd_usb_init_substream(struct snd_usb_stream *as,
- int stream,
- struct audioformat *fp);
- int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
- unsigned int period_bytes,
- unsigned int rate,
- unsigned int frame_bits);
- void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force);
- int snd_usb_substream_prepare(struct snd_usb_substream *subs,
- struct snd_pcm_runtime *runtime);
- int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd);
- int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd);
- #endif /* __USBAUDIO_URB_H */
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