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/usr/include/sound

Name	Size	Mode	Actions
intel/	-	0755	rm
sof/	-	0755	rm
asequencer.h	23808	0644	edit dl rm
asoc.h	20170	0644	edit dl rm
asound.h	55311	0644	edit dl rm
asound_fm.h	3637	0644	edit dl rm
compress_offload.h	7974	0644	edit dl rm
compress_params.h	17093	0644	edit dl rm
emu10k1.h	18889	0644	edit dl rm
fcp.h	3736	0644	edit dl rm
firewire.h	11016	0644	edit dl rm
hdsp.h	2076	0644	edit dl rm
hdspm.h	4486	0644	edit dl rm
sb16_csp.h	3563	0644	edit dl rm
scarlett2.h	1615	0644	edit dl rm
sfnt_info.h	6754	0644	edit dl rm
skl-tplg-interface.h	3811	0644	edit dl rm
snd_ar_tokens.h	7655	0644	edit dl rm
snd_sst_tokens.h	11754	0644	edit dl rm
tlv.h	4147	0644	edit dl rm
usb_stream.h	1238	0644	edit dl rm

Edit: /usr/include/sound/scarlett2.h (1615B)

#include <linux/types.h>
#include <linux/ioctl.h>

#define SCARLETT2_HWDEP_MAJOR 1
#define SCARLETT2_HWDEP_MINOR 0
#define SCARLETT2_HWDEP_SUBMINOR 0

#define SCARLETT2_HWDEP_VERSION \
	((SCARLETT2_HWDEP_MAJOR << 16) | \
	 (SCARLETT2_HWDEP_MINOR << 8) | \
	  SCARLETT2_HWDEP_SUBMINOR)

#define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF)
#define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF)
#define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF)

/* Get protocol version */
#define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int)

/* Reboot */
#define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61)

/* Select flash segment */
#define SCARLETT2_SEGMENT_ID_SETTINGS 0
#define SCARLETT2_SEGMENT_ID_FIRMWARE 1
#define SCARLETT2_SEGMENT_ID_COUNT 2

#define SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT _IOW('S', 0x62, int)

/* Erase selected flash segment */
#define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO('S', 0x63)

/* Get selected flash segment erase progress
 * 1 through to num_blocks, or 255 for complete
 */
struct scarlett2_flash_segment_erase_progress {
	unsigned char progress;
	unsigned char num_blocks;
};
#define SCARLETT2_IOCTL_GET_ERASE_PROGRESS \
	_IOR('S', 0x64, struct scarlett2_flash_segment_erase_progress)

#endif /* __UAPI_SOUND_SCARLETT2_H */

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Focusrite Scarlett 2 Protocol Driver for ALSA * (including Scarlett 2nd Gen, 3rd Gen, 4th Gen, Clarett USB, and * Clarett+ series products) * * Copyright (c) 2023 by Geoffrey D. Bennett */ #ifndef __UAPI_SOUND_SCARLETT2_H #define __UAPI_SOUND_SCARLETT2_H #include #include #define SCARLETT2_HWDEP_MAJOR 1 #define SCARLETT2_HWDEP_MINOR 0 #define SCARLETT2_HWDEP_SUBMINOR 0 #define SCARLETT2_HWDEP_VERSION \ ((SCARLETT2_HWDEP_MAJOR << 16) | \ (SCARLETT2_HWDEP_MINOR << 8) | \ SCARLETT2_HWDEP_SUBMINOR) #define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF) #define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF) #define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF) /* Get protocol version */ #define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int) /* Reboot */ #define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61) /* Select flash segment */ #define SCARLETT2_SEGMENT_ID_SETTINGS 0 #define SCARLETT2_SEGMENT_ID_FIRMWARE 1 #define SCARLETT2_SEGMENT_ID_COUNT 2 #define SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT _IOW('S', 0x62, int) /* Erase selected flash segment */ #define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO('S', 0x63) /* Get selected flash segment erase progress * 1 through to num_blocks, or 255 for complete */ struct scarlett2_flash_segment_erase_progress { unsigned char progress; unsigned char num_blocks; }; #define SCARLETT2_IOCTL_GET_ERASE_PROGRESS \ _IOR('S', 0x64, struct scarlett2_flash_segment_erase_progress) #endif /* __UAPI_SOUND_SCARLETT2_H */