Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) What:		/sys/devices/platform/<i2c-demux-name>/available_masters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) Date:		January 2016
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) KernelVersion:	4.6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) Contact:	Wolfram Sang <wsa+renesas@sang-engineering.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 		Reading the file will give you a list of masters which can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 		selected for a demultiplexed bus. The format is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 		"<index>:<name>". Example from a Renesas Lager board::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 		  0:/i2c@e6500000 1:/i2c@e6508000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) What:		/sys/devices/platform/<i2c-demux-name>/current_master
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) Date:		January 2016
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) KernelVersion:	4.6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Contact:	Wolfram Sang <wsa+renesas@sang-engineering.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		This file selects/shows the active I2C master for a demultiplexed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		bus. It uses the <index> value from the file 'available_masters'.