staging: comedi: dt2811: tidy up A/D Data register defines

Cleanup the defines for these registers and and remove the redundant
information in the comment.

Tidy up the reading of the data registers in the (*insn_read).

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2016-05-04 12:47:11 -07:00 • committed by Greg Kroah-Hartman
commit d82985fa4c