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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __USBAUDIO_POWER_H3#define __USBAUDIO_POWER_H4 5struct snd_usb_power_domain {6 int pd_id; /* UAC3 Power Domain ID */7 int pd_d1d0_rec; /* D1 to D0 recovery time */8 int pd_d2d0_rec; /* D2 to D0 recovery time */9 struct usb_host_interface *ctrl_iface; /* Control interface */10};11 12enum {13 UAC3_PD_STATE_D0,14 UAC3_PD_STATE_D1,15 UAC3_PD_STATE_D2,16};17 18int snd_usb_power_domain_set(struct snd_usb_audio *chip,19 struct snd_usb_power_domain *pd,20 unsigned char state);21struct snd_usb_power_domain *22snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,23 unsigned char id);24 25int snd_usb_autoresume(struct snd_usb_audio *chip);26void snd_usb_autosuspend(struct snd_usb_audio *chip);27 28#endif /* __USBAUDIO_POWER_H */29