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1What: /sys/bus/i2c/.../idle_state2Date: January 20193KernelVersion: 5.24Contact: Robert Shearman <robert.shearman@att.com>5Description:6 Value that exists only for mux devices that can be7 written to control the behaviour of the multiplexer on8 idle. Possible values:9 10 =========== ===============================================11 -2 disconnect on idle, i.e. deselect the last used12 channel, which is useful when there is a device13 with an address that conflicts with another14 device on another mux on the same parent bus.15 -1 leave the mux as-is, which is the most optimal16 setting in terms of I2C operations and is the17 default mode.18 0..<nchans> set the mux to a predetermined channel,19 which is useful if there is one channel that is20 used almost always, and you want to reduce the21 latency for normal operations after rare22 transactions on other channels23 =========== ===============================================24