staging: comedi: ni_660x: tidy up ni_660x_dio_insn_bits()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 22 Mar 2016 18:10:32 +0000 (11:10 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 28 Mar 2016 14:30:36 +0000 (07:30 -0700)
commit826f783a0eb15c6860d03af6d88eea3eaea34ff4
tree49276d297e3aa901a35fb07632c58ab676615502
parent7e9061869435dbeefff970b032d2b8141ce9e301
staging: comedi: ni_660x: tidy up ni_660x_dio_insn_bits()

Use some local variables to clarify this function.

This (*insn_bits) function is a bit different from most comedi drivers.
Add some comments to clarify why the shifts are used.

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>
drivers/staging/comedi/drivers/ni_660x.c