staging: comedi: das08: rename and rewrite DAS08_EOC
authorIan Abbott <abbotti@mev.co.uk>
Fri, 5 Jun 2015 17:30:13 +0000 (18:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 13 Jun 2015 00:06:40 +0000 (17:06 -0700)
commit851e5d5475de796560683e2a4b28af0a7da177e1
treee5f5508bfef36d4b94324a64d3077470d2c9a58b
parentb00b3f769abe1dd19cc51552734c44178cb1269d
staging: comedi: das08: rename and rewrite DAS08_EOC

The `DAS08_EOC` macro contains a mask for the "end of A/D conversion"
bit in the status register.  The logic is reverse sense in that the bit
is set to 1 while the conversion is in progress and set to 0 when the
conversion is complete.  Rename the macro to `DAS08_STATUS_AI_BUSY` and
add a comment.  Also make use of the `BIT()` macro to define the value.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/das08.c