staging: comedi: ni_labpc: introduce labpc_range_is_unipolar()

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Introduce a helper function to determine if a range selection is
bipolar or unipolar.

This allows removing the static data 'labpc_range_is_unipolar' and
'labpc_plus_is_unipolar' as well as the boardinfo 'ai_range_is_unipolar'.

For consistency, also use the helper in labpc_ao_winsn() when
checking the range.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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H Hartley Sweeten 2013-03-22 09:42:48 -07:00 • committed by Greg Kroah-Hartman

parent 4d3cc8ab55

commit 43a9411a67

3 changed files with 15 additions and 22 deletions

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34

drivers/staging/comedi/drivers/ni_labpc.c

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2

drivers/staging/comedi/drivers/ni_labpc.h

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1

drivers/staging/comedi/drivers/ni_labpc_cs.c

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