|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __USBAUDIO_PCM_H | 
|  | #define __USBAUDIO_PCM_H | 
|  |  | 
|  | 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, | 
|  | const struct audioformat *fmt); | 
|  | void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); | 
|  |  | 
|  | int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, | 
|  | struct audioformat *fmt); | 
|  |  | 
|  | #endif /* __USBAUDIO_PCM_H */ |