1*39b132b0SWolfram SangWhat: /sys/devices/platform/<i2c-demux-name>/available_masters 250a5ba87SWolfram SangDate: January 2016 350a5ba87SWolfram SangKernelVersion: 4.6 450a5ba87SWolfram SangContact: Wolfram Sang <wsa@the-dreams.de> 550a5ba87SWolfram SangDescription: 6*39b132b0SWolfram Sang Reading the file will give you a list of masters which can be 7*39b132b0SWolfram Sang selected for a demultiplexed bus. The format is 8*39b132b0SWolfram Sang "<index>:<name>". Example from a Renesas Lager board: 950a5ba87SWolfram Sang 10*39b132b0SWolfram Sang 0:/i2c@e6500000 1:/i2c@e6508000 1150a5ba87SWolfram Sang 12*39b132b0SWolfram SangWhat: /sys/devices/platform/<i2c-demux-name>/current_master 13*39b132b0SWolfram SangDate: January 2016 14*39b132b0SWolfram SangKernelVersion: 4.6 15*39b132b0SWolfram SangContact: Wolfram Sang <wsa@the-dreams.de> 16*39b132b0SWolfram SangDescription: 17*39b132b0SWolfram Sang This file selects/shows the active I2C master for a demultiplexed 18*39b132b0SWolfram Sang bus. It uses the <index> value from the file 'available_masters'. 19