blk-mq: really fix plug list flushing for nomerge queues
[linux-2.6-block.git] / sound / usb / endpoint.h
CommitLineData
e5779998
DM
1#ifndef __USBAUDIO_ENDPOINT_H
2#define __USBAUDIO_ENDPOINT_H
3
8fdff6a3
DM
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,
35ec7aa2
DR
12 snd_pcm_format_t pcm_format,
13 unsigned int channels,
14 unsigned int period_bytes,
976b6c06
AS
15 unsigned int period_frames,
16 unsigned int buffer_periods,
35ec7aa2 17 unsigned int rate,
8fdff6a3
DM
18 struct audioformat *fmt,
19 struct snd_usb_endpoint *sync_ep);
20
a9bb3626 21int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep);
b2eb950d 22void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
f58161ba 23void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
8fdff6a3 24int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
9b7c552b 25void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
92a586bd 26void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
a6cece9d 27void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);
8fdff6a3 28
98ae472b 29int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
245baf98 30int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);
8fdff6a3
DM
31
32void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
33 struct snd_usb_endpoint *sender,
34 const struct urb *urb);
35
e5779998 36#endif /* __USBAUDIO_ENDPOINT_H */