diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
commit | cf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (patch) | |
tree | 375bbc1ade1a92acd6493d224dd701fd7f209014 /sound/usb/urb.h | |
parent | 1cff399ecd9125d8e6a634a1957be1aeb3195a12 (diff) | |
parent | 0340c7dccd80d8706c636e030a6ebbddbddca690 (diff) |
Merge remote branch 'alsa/devel' into topic/misc
Diffstat (limited to 'sound/usb/urb.h')
-rw-r--r-- | sound/usb/urb.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/usb/urb.h b/sound/usb/urb.h new file mode 100644 index 000000000000..888da38079cf --- /dev/null +++ b/sound/usb/urb.h @@ -0,0 +1,21 @@ +#ifndef __USBAUDIO_URB_H +#define __USBAUDIO_URB_H + +void snd_usb_init_substream(struct snd_usb_stream *as, + int stream, + struct audioformat *fp); + +int snd_usb_init_substream_urbs(struct snd_usb_substream *subs, + unsigned int period_bytes, + unsigned int rate, + unsigned int frame_bits); + +void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force); + +int snd_usb_substream_prepare(struct snd_usb_substream *subs, + struct snd_pcm_runtime *runtime); + +int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd); +int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd); + +#endif /* __USBAUDIO_URB_H */ |