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HID: hidraw: add support uniq ioctl

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Add support for reading out the uniq information from the underlying HID
device. This might be the iSerialNumber in case of USB or the BD_ADDR in
case of Bluetooth.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Marcel Holtmann
2019-12-04 04:41:09 +01:00
committed by Jiri Kosina
parent d004701d1c
commit 2f48865db3
2 changed files with 10 additions and 0 deletions
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include/uapi/linux/hidraw.h
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@@ -39,6 +39,7 @@ struct hidraw_devinfo {
/* The first byte of SFEATURE and GFEATURE is the report number */
#define HIDIOCSFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)
#define HIDIOCGFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len)
#define HIDIOCGRAWUNIQ(len) _IOC(_IOC_READ, 'H', 0x08, len)
#define HIDRAW_FIRST_MINOR 0
#define HIDRAW_MAX_DEVICES 64