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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Oliver Neukum88a85162011-03-11 14:51:12 +01002#ifndef __USBAUDIO_POWER_H
3#define __USBAUDIO_POWER_H
4
Jorge Sanjuan11785ef2018-07-31 13:28:42 +01005struct 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
11enum {
12 UAC3_PD_STATE_D0,
13 UAC3_PD_STATE_D1,
14 UAC3_PD_STATE_D2,
15};
16
17int snd_usb_power_domain_set(struct snd_usb_audio *chip,
18 struct snd_usb_power_domain *pd,
19 unsigned char state);
20struct snd_usb_power_domain *
21snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
22 unsigned char id);
23
Oliver Neukum88a85162011-03-11 14:51:12 +010024int snd_usb_autoresume(struct snd_usb_audio *chip);
25void snd_usb_autosuspend(struct snd_usb_audio *chip);
Oliver Neukum88a85162011-03-11 14:51:12 +010026
27#endif /* __USBAUDIO_POWER_H */