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staging: comedi: comedidev.h: use enum for COMEDI_CB_... constants

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The existing constants `COMEDI_CB_EOS` etc. are in the form of macros
and have a bogus kernel-doc comment.  Change them to `enum` constants so
they can be documented properly with kernel-doc.

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>
This commit is contained in:
Ian Abbott 2015-09-21 18:52:47 +01:00 committed by Greg Kroah-Hartman
parent 2750914363
commit 251a16ab67
1 changed files with 12 additions and 11 deletions
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23
drivers/staging/comedi/comedidev.h
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@ -216,26 +216,27 @@ struct comedi_async {
};
/**
* comedi_async callback "events"
* enum comedi_cb - &struct comedi_async callback "events"
* @COMEDI_CB_EOS: end-of-scan
* @COMEDI_CB_EOA: end-of-acquisition/output
* @COMEDI_CB_BLOCK: data has arrived, wakes up read() / write()
* @COMEDI_CB_EOBUF: DEPRECATED: end of buffer
* @COMEDI_CB_ERROR: card error during acquisition
* @COMEDI_CB_OVERFLOW: buffer overflow/underflow
*
* @COMEDI_CB_ERROR_MASK: events that indicate an error has occurred
* @COMEDI_CB_CANCEL_MASK: events that will cancel an async command
*/
#define COMEDI_CB_EOS BIT(0)
#define COMEDI_CB_EOA BIT(1)
#define COMEDI_CB_BLOCK BIT(2)
#define COMEDI_CB_EOBUF BIT(3)
#define COMEDI_CB_ERROR BIT(4)
#define COMEDI_CB_OVERFLOW BIT(5)
#define COMEDI_CB_ERROR_MASK (COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW)
#define COMEDI_CB_CANCEL_MASK (COMEDI_CB_EOA | COMEDI_CB_ERROR_MASK)
enum comedi_cb {
COMEDI_CB_EOS = BIT(0),
COMEDI_CB_EOA = BIT(1),
COMEDI_CB_BLOCK = BIT(2),
COMEDI_CB_EOBUF = BIT(3),
COMEDI_CB_ERROR = BIT(4),
COMEDI_CB_OVERFLOW = BIT(5),
/* masks */
COMEDI_CB_ERROR_MASK = (COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW),
COMEDI_CB_CANCEL_MASK = (COMEDI_CB_EOA | COMEDI_CB_ERROR_MASK)
};
struct comedi_driver {
struct comedi_driver *next;