mirror of https://gitee.com/openkylin/linux.git
30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
#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,
|
|
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 */
|