1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __USBAUDIO_PCM_H 3*4882a593Smuzhiyun #define __USBAUDIO_PCM_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs, 6*4882a593Smuzhiyun unsigned int rate); 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream); 9*4882a593Smuzhiyun int snd_usb_pcm_suspend(struct snd_usb_stream *as); 10*4882a593Smuzhiyun int snd_usb_pcm_resume(struct snd_usb_stream *as); 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, 13*4882a593Smuzhiyun struct usb_host_interface *alts, 14*4882a593Smuzhiyun struct audioformat *fmt); 15*4882a593Smuzhiyun void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun int snd_usb_enable_audio_stream(struct snd_usb_substream *subs, 18*4882a593Smuzhiyun int datainterval, bool enable); 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #endif /* __USBAUDIO_PCM_H */ 21