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- #ifndef __USBAUDIO_ENDPOINT_H
- #define __USBAUDIO_ENDPOINT_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);
- #define SND_USB_ENDPOINT_TYPE_DATA 0
- #define SND_USB_ENDPOINT_TYPE_SYNC 1
- struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
- struct usb_host_interface *alts,
- int ep_num, int direction, int type);
- int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
- struct snd_pcm_hw_params *hw_params,
- struct audioformat *fmt,
- struct snd_usb_endpoint *sync_ep);
- int snd_usb_endpoint_start(struct snd_usb_endpoint *ep);
- void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
- int force, int can_sleep, int wait);
- int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
- int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
- void snd_usb_endpoint_free(struct list_head *head);
- int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep);
- void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
- struct snd_usb_endpoint *sender,
- const struct urb *urb);
- #endif /* __USBAUDIO_ENDPOINT_H */
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