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- #ifndef __USBAUDIO_ENDPOINT_H
- #define __USBAUDIO_ENDPOINT_H
- #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,
- snd_pcm_format_t pcm_format,
- unsigned int channels,
- unsigned int period_bytes,
- unsigned int period_frames,
- unsigned int buffer_periods,
- unsigned int rate,
- 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);
- void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
- int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
- void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
- void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
- void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);
- int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
- int snd_usb_endpoint_next_packet_size(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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