staging: comedi: dmm32at: rename DMM32AT_DACMSB_CHAN

For aesthetics, rename this define used to set the DACH[10] bits in
the DAC MSB register to select the D/A channel.

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>
This commit is contained in:
H Hartley Sweeten 2014-11-11 16:55:35 -07:00 committed by Greg Kroah-Hartman
parent 668a02d1c8
commit e46f7651d0

View file

@ -59,7 +59,7 @@ Configuration Options:
#define DMM32AT_AUX_DI0 (1 << 0) /* J3.48 - CLK0 (SRC0) */
#define DMM32AT_AO_LSB_REG 0x04
#define DMM32AT_AO_MSB_REG 0x05
#define DMM32AT_DACMSB_CHAN(x) ((x) << 6)
#define DMM32AT_AO_MSB_DACH(x) ((x) << 6)
#define DMM32AT_FIFOCNTRL 0x07
#define DMM32AT_FIFOSTAT 0x07
@ -447,7 +447,7 @@ static int dmm32at_ao_insn_write(struct comedi_device *dev,
/* write LSB then MSB + chan to load DAC */
outb(val & 0xff, dev->iobase + DMM32AT_AO_LSB_REG);
outb((val >> 8) | DMM32AT_DACMSB_CHAN(chan),
outb((val >> 8) | DMM32AT_AO_MSB_DACH(chan),
dev->iobase + DMM32AT_AO_MSB_REG);
/* wait for circuit to settle */