| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 2 | #ifndef __USBAUDIO_POWER_H |
| 3 | #define __USBAUDIO_POWER_H |
| 4 | |
| Jorge Sanjuan | 11785ef | 2018-07-31 13:28:42 +0100 | [diff] [blame] | 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 | |
| Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 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 */ |