/* 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 */ }; 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); #ifdef CONFIG_PM int snd_usb_autoresume(struct snd_usb_audio *chip); void snd_usb_autosuspend(struct snd_usb_audio *chip); #else static inline int snd_usb_autoresume(struct snd_usb_audio *chip) { return 0; } static inline void snd_usb_autosuspend(struct snd_usb_audio *chip) { } #endif #endif /* __USBAUDIO_POWER_H */