diff options
Diffstat (limited to 'sound/usb/endpoint.h')
| -rw-r--r-- | sound/usb/endpoint.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 88eb63a636eb..9f083d7d6cf1 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -18,4 +18,30 @@ int snd_usb_substream_prepare(struct snd_usb_substream *subs, 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); + +#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 */ |