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 2What:		/sys/class/net/<iface>/peak_usb/can_channel_id
 3Date:		November 2022
 4KernelVersion:	6.2
 5Contact:	Stephane Grosjean <s.grosjean@peak-system.com>
 6Description:
 7		PEAK PCAN-USB devices support user-configurable CAN channel
 8		identifiers. Contrary to a USB serial number, these identifiers
 9		are writable and can be set per CAN interface. This means that
10		if a USB device exports multiple CAN interfaces, each of them
11		can be assigned a unique channel ID.
12		This attribute provides read-only access to the currently
13		configured value of the channel identifier. Depending on the
14		device type, the identifier has a length of 8 or 32 bit. The
15		value read from this attribute is always an 8 digit 32 bit
16		hexadecimal value in big endian format. If the device only
17		supports an 8 bit identifier, the upper 24 bit of the value are
18		set to zero.
19