From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- sound/usb/power.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 sound/usb/power.h (limited to 'sound/usb/power.h') diff --git a/sound/usb/power.h b/sound/usb/power.h new file mode 100644 index 000000000..396e3e514 --- /dev/null +++ b/sound/usb/power.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __USBAUDIO_POWER_H +#define __USBAUDIO_POWER_H + +struct snd_usb_power_domain { + int pd_id; /* UAC3 Power Domain ID */ + int pd_d1d0_rec; /* D1 to D0 recovery time */ + int pd_d2d0_rec; /* D2 to D0 recovery time */ +}; + +enum { + UAC3_PD_STATE_D0, + UAC3_PD_STATE_D1, + UAC3_PD_STATE_D2, +}; + +int snd_usb_power_domain_set(struct snd_usb_audio *chip, + struct snd_usb_power_domain *pd, + unsigned char state); +struct snd_usb_power_domain * +snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface, + unsigned char id); + +int snd_usb_autoresume(struct snd_usb_audio *chip); +void snd_usb_autosuspend(struct snd_usb_audio *chip); + +#endif /* __USBAUDIO_POWER_H */ -- cgit v1.2.3