| #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 */ |