/etc/vdr/conf.avail/softhddevice.conf is in vdr-plugin-softhddevice 0.6.0+git20160108-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | #
# softhddevice VDR plugin arguments
#
[softhddevice]
|