From 3c98c1d3f1d3912738dca864fd00910654ed2a65 Mon Sep 17 00:00:00 2001 From: Ian Abbott Date: Fri, 5 Jun 2015 18:30:24 +0100 Subject: [PATCH] staging: comedi: das08: rename DAS08AO_AO_LSB() and DAS08AO_AO_MSB() The `DAS08AO_AO_LSB(x)` macro returns the offset to the analog output low byte register for channel x (0 or 1) for "AOL", "AOM", and "AOH" boards. The `DAS08AO_AO_MSB(x)` macro returns the offset to the corresponding high byte register. Rename the macros to `DAS08AOX_AO_LSB_REG(x)` and `DAS08AOX_AO_MSB_REG(x)` respectively, and add some comments. Signed-off-by: Ian Abbott Reviewed-by: H Hartley Sweeten Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/das08.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c index 8aa8011..005a7ef 100644 --- a/drivers/staging/comedi/drivers/das08.c +++ b/drivers/staging/comedi/drivers/das08.c @@ -134,8 +134,10 @@ cdef 8255 */ -#define DAS08AO_AO_LSB(x) ((x) ? 0xa : 8) -#define DAS08AO_AO_MSB(x) ((x) ? 0xb : 9) +/* (W) analog output l.s.b. registers for 2 channels ("AOx" boards) */ +#define DAS08AOX_AO_LSB_REG(x) ((x) ? 0x0a : 0x08) +/* (W) analog output m.s.b. registers for 2 channels ("AOx" boards) */ +#define DAS08AOX_AO_MSB_REG(x) ((x) ? 0x0b : 0x09) #define DAS08AO_AO_UPDATE 8 /* gainlist same as _pgx_ below */ @@ -369,8 +371,8 @@ static void das08_ao_set_data(struct comedi_device *dev, /* load DACs */ inb(dev->iobase + DAS08JR_AO_UPDATE_REG); } else { - outb(lsb, dev->iobase + DAS08AO_AO_LSB(chan)); - outb(msb, dev->iobase + DAS08AO_AO_MSB(chan)); + outb(lsb, dev->iobase + DAS08AOX_AO_LSB_REG(chan)); + outb(msb, dev->iobase + DAS08AOX_AO_MSB_REG(chan)); /* load DACs */ inb(dev->iobase + DAS08AO_AO_UPDATE); } -- 2.7.4