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e90576c595
The PCM stream buffer allocation and free are identical for both playback and capture streams. Provide single helper functions. These are used only in pcm.c, thus they can be even static. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
31 lines
872 B
C
31 lines
872 B
C
/*
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* Line 6 Linux USB driver
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*
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* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#ifndef CAPTURE_H
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#define CAPTURE_H
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#include <sound/pcm.h>
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#include "driver.h"
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#include "pcm.h"
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extern struct snd_pcm_ops snd_line6_capture_ops;
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extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf,
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int fsize);
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extern void line6_capture_check_period(struct snd_line6_pcm *line6pcm,
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int length);
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extern int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm);
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extern int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm);
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extern int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd);
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#endif
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