K 10
svn:author
V 3
avg
K 8
svn:date
V 27
2019-10-17T06:21:09.081922Z
K 7
svn:log
V 277
wbwd: small clean-ups and improvements

This change applies some suggestions by delphij from D21979.
A write-only variable is removed.
There is a diagnostic message if the driver does not recognize the chip.
A chained if-statement is converted to a switch.

MFC after:	3 weeks

END