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staging: comedi: add CMDF_WAKE_EOS as synonym for TRIG_WAKE_EOS

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`TRIG_WAKE_EOS` is one of the values that can be OR-ed into the `flags`
member of `struct comedi_cmd`.  It's intended action is tune the
asynchronous command to interrupt at the end of every "scan".  The name
is a bit of a left-over from earlier times.  A better name would be
`CMDF_WAKE_EOS` to match various other command flags.

Define `CMDF_WAKE_EOS` with the same numeric value as the old
`TRIG_WAKE_EOS` and redefine `TRIG_WAKE_EOS` as a synonym of it.

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 2014-09-03 13:45:29 +01:00 committed by Greg Kroah-Hartman
parent 7ae5857aa2
commit 3e15acd313
1 changed files with 7 additions and 5 deletions
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12
drivers/staging/comedi/comedi.h
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@ -126,10 +126,7 @@
#define TRIG_BOGUS 0x0001 /* do the motions */
#define TRIG_DITHER 0x0002 /* enable dithering */
#define TRIG_DEGLITCH 0x0004 /* enable deglitching */
/*#define TRIG_RT 0x0008 *//* perform op in real time */
#define TRIG_CONFIG 0x0010 /* perform configuration, not triggering */
#define TRIG_WAKE_EOS 0x0020 /* wake up on end-of-scan events */
/*#define TRIG_WRITE 0x0040*//* write to bidirectional devices */
/* command flags */
/* These flags are used in comedi_cmd structures */
@ -137,10 +134,10 @@
/* try to use a real-time interrupt while performing command */
#define CMDF_PRIORITY 0x00000008
#define TRIG_RT CMDF_PRIORITY /* compatibility definition */
/* wake up on end-of-scan events */
#define CMDF_WAKE_EOS 0x00000020
#define CMDF_WRITE 0x00000040
#define TRIG_WRITE CMDF_WRITE /* compatibility definition */
#define CMDF_RAWDATA 0x00000080
@ -156,6 +153,11 @@
#define TRIG_ROUND_UP 0x00020000
#define TRIG_ROUND_UP_NEXT 0x00030000
/* compatibility definitions */
#define TRIG_RT CMDF_PRIORITY
#define TRIG_WAKE_EOS CMDF_WAKE_EOS
#define TRIG_WRITE CMDF_WRITE
/* trigger sources */
#define TRIG_ANY 0xffffffff