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staging: comedi: das08: rename DAS08_TRIG_12BIT

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The `DAS08_TRIG_12BIT` macro contains the offset to the write-only
software trigger register for 12-bit or 16-bit analog-to-digital
conversions.  Rename the macro to `DAS08_AI_TRIG_REG` and add a comment.

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 2015-06-05 18:30:11 +01:00 committed by Greg Kroah-Hartman
parent 5826d99aed
commit c2ba9e9637
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/comedi/drivers/das08.c
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@ -56,7 +56,7 @@
*/
#define DAS08_AI_LSB_REG 0x00 /* (R) AI least significant bits */
#define DAS08_AI_MSB_REG 0x01 /* (R) AI most significant bits */
#define DAS08_TRIG_12BIT 1
#define DAS08_AI_TRIG_REG 0x01 /* (W) AI software trigger */
#define DAS08_STATUS 2
#define DAS08_EOC (1<<7)
#define DAS08_IRQ (1<<3)
@ -251,7 +251,7 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
dev_info(dev->class_dev, "over-range\n");
/* trigger conversion */
outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
outb_p(0, dev->iobase + DAS08_AI_TRIG_REG);
ret = comedi_timeout(dev, s, insn, das08_ai_eoc, 0);
if (ret)