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37 lines
924 B
37 lines
924 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __USBAUDIO_POWER_H |
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#define __USBAUDIO_POWER_H |
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struct snd_usb_power_domain { |
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int pd_id; /* UAC3 Power Domain ID */ |
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int pd_d1d0_rec; /* D1 to D0 recovery time */ |
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int pd_d2d0_rec; /* D2 to D0 recovery time */ |
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}; |
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enum { |
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UAC3_PD_STATE_D0, |
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UAC3_PD_STATE_D1, |
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UAC3_PD_STATE_D2, |
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}; |
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int snd_usb_power_domain_set(struct snd_usb_audio *chip, |
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struct snd_usb_power_domain *pd, |
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unsigned char state); |
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struct snd_usb_power_domain * |
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snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface, |
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unsigned char id); |
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#ifdef CONFIG_PM |
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int snd_usb_autoresume(struct snd_usb_audio *chip); |
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void snd_usb_autosuspend(struct snd_usb_audio *chip); |
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#else |
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static inline int snd_usb_autoresume(struct snd_usb_audio *chip) |
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{ |
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return 0; |
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} |
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static inline void snd_usb_autosuspend(struct snd_usb_audio *chip) |
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{ |
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} |
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#endif |
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#endif /* __USBAUDIO_POWER_H */
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