1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __USBAUDIO_POWER_H
3#define __USBAUDIO_POWER_H
4
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};
10
11enum {
12	UAC3_PD_STATE_D0,
13	UAC3_PD_STATE_D1,
14	UAC3_PD_STATE_D2,
15};
16
17int snd_usb_power_domain_set(struct snd_usb_audio *chip,
18			     struct snd_usb_power_domain *pd,
19			     unsigned char state);
20struct snd_usb_power_domain *
21snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
22			  unsigned char id);
23
24int snd_usb_autoresume(struct snd_usb_audio *chip);
25void snd_usb_autosuspend(struct snd_usb_audio *chip);
26
27#endif /* __USBAUDIO_POWER_H */
28