acrn-kernel/sound/usb/pcm.h

19 lines
586 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_PCM_H
#define __USBAUDIO_PCM_H
snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
unsigned int rate);
void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream);
int snd_usb_pcm_suspend(struct snd_usb_stream *as);
int snd_usb_pcm_resume(struct snd_usb_stream *as);
int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
struct usb_host_interface *alts,
struct audioformat *fmt);
void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
#endif /* __USBAUDIO_PCM_H */