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+What: /sys/class/mux/
+Date: April 2017
+KernelVersion: 4.13
+Contact: Peter Rosin <peda@axentia.se>
+Description:
+ The mux/ class sub-directory belongs to the Generic MUX
+ Framework and provides a sysfs interface for using MUX
+ controllers.
+
+What: /sys/class/mux/muxchip<N>/
+Date: April 2017
+KernelVersion: 4.13
+Contact: Peter Rosin <peda@axentia.se>
+Description:
+ A /sys/class/mux/muxchipN directory is created for each
+ probed MUX chip where N is a simple enumeration.