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