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-rw-r--r--sound/usb/endpoint.h20
1 files changed, 15 insertions, 5 deletions
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 64dd0db023b2..88eb63a636eb 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -1,11 +1,21 @@
1#ifndef __USBAUDIO_ENDPOINT_H 1#ifndef __USBAUDIO_ENDPOINT_H
2#define __USBAUDIO_ENDPOINT_H 2#define __USBAUDIO_ENDPOINT_H
3 3
4int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, 4void snd_usb_init_substream(struct snd_usb_stream *as,
5 int iface_no); 5 int stream,
6 struct audioformat *fp);
6 7
7int snd_usb_add_audio_endpoint(struct snd_usb_audio *chip, 8int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
8 int stream, 9 unsigned int period_bytes,
9 struct audioformat *fp); 10 unsigned int rate,
11 unsigned int frame_bits);
12
13void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force);
14
15int snd_usb_substream_prepare(struct snd_usb_substream *subs,
16 struct snd_pcm_runtime *runtime);
17
18int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd);
19int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd);
10 20
11#endif /* __USBAUDIO_ENDPOINT_H */ 21#endif /* __USBAUDIO_ENDPOINT_H */