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e5779998 DM |
1 | #ifndef __USBAUDIO_URB_H |
2 | #define __USBAUDIO_URB_H | |
3 | ||
4 | void snd_usb_init_substream(struct snd_usb_stream *as, | |
5 | int stream, | |
6 | struct audioformat *fp); | |
7 | ||
8 | int snd_usb_init_substream_urbs(struct snd_usb_substream *subs, | |
9 | unsigned int period_bytes, | |
10 | unsigned int rate, | |
11 | unsigned int frame_bits); | |
12 | ||
13 | void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force); | |
14 | ||
15 | int snd_usb_substream_prepare(struct snd_usb_substream *subs, | |
16 | struct snd_pcm_runtime *runtime); | |
17 | ||
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); | |
20 | ||
21 | #endif /* __USBAUDIO_URB_H */ |