| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __USBAUDIO_POWER_H |
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| 3 | #define __USBAUDIO_POWER_H |
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| 4 | |
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| 5 | struct snd_usb_power_domain { |
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| 6 | int pd_id; /* UAC3 Power Domain ID */ |
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| 7 | int pd_d1d0_rec; /* D1 to D0 recovery time */ |
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| 8 | int pd_d2d0_rec; /* D2 to D0 recovery time */ |
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| 9 | }; |
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| 10 | |
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| 11 | enum { |
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| 12 | UAC3_PD_STATE_D0, |
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| 13 | UAC3_PD_STATE_D1, |
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| 14 | UAC3_PD_STATE_D2, |
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| 15 | }; |
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| 16 | |
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| 17 | int snd_usb_power_domain_set(struct snd_usb_audio *chip, |
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| 18 | struct snd_usb_power_domain *pd, |
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| 19 | unsigned char state); |
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| 20 | struct snd_usb_power_domain * |
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| 21 | snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface, |
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| 22 | unsigned char id); |
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| 23 | |
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| 24 | int snd_usb_autoresume(struct snd_usb_audio *chip); |
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| 25 | void snd_usb_autosuspend(struct snd_usb_audio *chip); |
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| 26 | |
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| 27 | #endif /* __USBAUDIO_POWER_H */ |
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| 28 | |
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