staging: comedi: me4000: simplify analog input range programming

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The comedi_lrange table for the analog inputs is inverted compared
to the values that need to be written to the ME4000_AI_CHANNEL_LIST_REG
to select the range.

Create a macro, ME4000_AI_LIST_RANGE(), to handle the inversion. Remove
the old defines and simplify the code a bit.

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>

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H Hartley Sweeten 2015-08-05 10:44:51 -07:00 • committed by Greg Kroah-Hartman

parent 271f5aa04b

commit 245bd46244

1 changed files with 9 additions and 32 deletions

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drivers/staging/comedi/drivers/me4000.c

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