]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - sound/usb/urb.h
1 #ifndef __USBAUDIO_URB_H
2 #define __USBAUDIO_URB_H
4 void snd_usb_init_substream(struct snd_usb_stream
*as
,
6 struct audioformat
*fp
);
8 int snd_usb_init_substream_urbs(struct snd_usb_substream
*subs
,
9 unsigned int period_bytes
,
11 unsigned int frame_bits
);
13 void snd_usb_release_substream_urbs(struct snd_usb_substream
*subs
, int force
);
15 int snd_usb_substream_prepare(struct snd_usb_substream
*subs
,
16 struct snd_pcm_runtime
*runtime
);
18 int snd_usb_substream_playback_trigger(struct snd_pcm_substream
*substream
, int cmd
);
19 int snd_usb_substream_capture_trigger(struct snd_pcm_substream
*substream
, int cmd
);
21 #endif /* __USBAUDIO_URB_H */