| /* 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 */ |
