1 What: /sys/devices/platform/<i2c-demux-name>/cur_master
4 Contact: Wolfram Sang <wsa@the-dreams.de>
7 This file selects the active I2C master for a demultiplexed bus.
9 Write 0 there for the first master, 1 for the second etc. Reading the file will
10 give you a list with the active master marked. Example from a Renesas Lager
13 root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master
18 root@Lager:~# echo 2 > /sys/devices/platform/i2c@8/cur_master
20 root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master