kernel/Documentation/ABI/testing/sysfs-class-stm_source

   1 What:           /sys/class/stm_source/<stm_source>/stm_source_link
   2 Date:           June 2015
   3 KernelVersion:  4.3
   4 Contact:        Alexander Shishkin <alexander.shishkin@linux.intel.com>
   5 Description:
   6                 stm_source device linkage to stm device, where its tracing data
   7                 is directed. Reads return an existing connection or "<none>" if
   8                 this stm_source is not connected to any stm device yet.
   9                 Write an existing (registered) stm device's name here to
  10                 connect that device. If a device is already connected to this
  11                 stm_source, it will first be disconnected.