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