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name : hda_hwdep.h

 /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * HWDEP Interface for HD-audio codec
 *
 * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
 */

#ifndef __SOUND_HDA_HWDEP_H
#define __SOUND_HDA_HWDEP_H

#define HDA_HWDEP_VERSION	((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */

/* verb */
#define HDA_REG_NID_SHIFT	24
#define HDA_REG_VERB_SHIFT	8
#define HDA_REG_VAL_SHIFT	0
#define HDA_VERB(nid,verb,param)	((nid)<<24 | (verb)<<8 | (param))

struct hda_verb_ioctl {
	u32 verb;	/* HDA_VERB() */
	u32 res;	/* response */
};

/*
 * ioctls
 */
#define HDA_IOCTL_PVERSION		_IOR('H', 0x10, int)
#define HDA_IOCTL_VERB_WRITE		_IOWR('H', 0x11, struct hda_verb_ioctl)
#define HDA_IOCTL_GET_WCAP		_IOWR('H', 0x12, struct hda_verb_ioctl)

#endif

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