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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
88a8516a ON |
2 | #ifndef __USBAUDIO_POWER_H |
3 | #define __USBAUDIO_POWER_H | |
4 | ||
11785ef5 JS |
5 | struct 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 | ||
11 | enum { | |
12 | UAC3_PD_STATE_D0, | |
13 | UAC3_PD_STATE_D1, | |
14 | UAC3_PD_STATE_D2, | |
15 | }; | |
16 | ||
17 | int snd_usb_power_domain_set(struct snd_usb_audio *chip, | |
18 | struct snd_usb_power_domain *pd, | |
19 | unsigned char state); | |
20 | struct snd_usb_power_domain * | |
21 | snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface, | |
22 | unsigned char id); | |
23 | ||
88a8516a ON |
24 | #ifdef CONFIG_PM |
25 | int snd_usb_autoresume(struct snd_usb_audio *chip); | |
26 | void snd_usb_autosuspend(struct snd_usb_audio *chip); | |
27 | #else | |
28 | static inline int snd_usb_autoresume(struct snd_usb_audio *chip) | |
29 | { | |
30 | return 0; | |
31 | } | |
32 | static inline void snd_usb_autosuspend(struct snd_usb_audio *chip) | |
33 | { | |
34 | } | |
35 | #endif | |
36 | ||
37 | #endif /* __USBAUDIO_POWER_H */ |