ALSA: usb-audio: Deprecate async_unlink option
[linux-2.6-block.git] / sound / usb / endpoint.h
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1#ifndef __USBAUDIO_ENDPOINT_H
2#define __USBAUDIO_ENDPOINT_H
3
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4#define SND_USB_ENDPOINT_TYPE_DATA 0
5#define SND_USB_ENDPOINT_TYPE_SYNC 1
6
7struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
8 struct usb_host_interface *alts,
9 int ep_num, int direction, int type);
10
11int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
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12 snd_pcm_format_t pcm_format,
13 unsigned int channels,
14 unsigned int period_bytes,
15 unsigned int rate,
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16 struct audioformat *fmt,
17 struct snd_usb_endpoint *sync_ep);
18
015618b9 19int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep);
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20void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
21 int force, int can_sleep, int wait);
f58161ba 22void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
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23int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
24int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
25void snd_usb_endpoint_free(struct list_head *head);
26
27int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep);
245baf98 28int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);
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29
30void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
31 struct snd_usb_endpoint *sender,
32 const struct urb *urb);
33
e5779998 34#endif /* __USBAUDIO_ENDPOINT_H */