1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __USBAUDIO_POWER_H
3 #define __USBAUDIO_POWER_H
4
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
24 int snd_usb_autoresume(struct snd_usb_audio *chip);
25 void snd_usb_autosuspend(struct snd_usb_audio *chip);
26
27 #endif /* __USBAUDIO_POWER_H */
28
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.