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staging: comedi: ni_at_ao: introduce atao_select_reg_group()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 1 Oct 2013 00:53:50 +0000 (17:53 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Oct 2013 21:04:50 +0000 (14:04 -0700)
commita7d3d419f905e5a3203874e4b7a9e45d2167f2b5
tree3815a9c19a6e568a51e5b25911ac33b1efb59d5ctree | snapshot
parent100515f81099f42524e64d153882a400aad22248commit | diff
staging: comedi: ni_at_ao: introduce atao_select_reg_group()

To clarify the code a bit, introduce a helper function to set/clear
the GRP2WR bit in the CFG1 register. This bit selects which group of
registers are used for the registers that share the same I/O addresses.

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_at_ao.c diff | blob | history
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