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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_POWER_H
#define __USBAUDIO_POWER_H
struct snd_usb_power_domain {
int pd_id; /* UAC3 Power Domain ID */
int pd_d1d0_rec; /* D1 to D0 recovery time */
int pd_d2d0_rec; /* D2 to D0 recovery time */
struct usb_host_interface *ctrl_iface; /* Control interface */
};
enum {
UAC3_PD_STATE_D0,
UAC3_PD_STATE_D1,
UAC3_PD_STATE_D2,
};
int snd_usb_power_domain_set(struct snd_usb_audio *chip,
struct snd_usb_power_domain *pd,
unsigned char state);
struct snd_usb_power_domain *
snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
unsigned char id);
int snd_usb_autoresume(struct snd_usb_audio *chip);
void snd_usb_autosuspend(struct snd_usb_audio *chip);
#endif /* __USBAUDIO_POWER_H */
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