staging: comedi: addi_apci_3120: define the AI FIFO register

Define the offset for the analog input FIFO register.

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>

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index 10ab6d89a6d5a5abbe30d467999175a4bb4796cf..703e4f9b1ba8a19a41d7d8fc82db8d7a15e4f22c 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -43,8 +43,6 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 #define APCI3120_START                 1
 #define APCI3120_STOP                  0
 
-#define APCI3120_RD_FIFO               0x00
-
 /* software trigger dummy register */
 #define APCI3120_START_CONVERSION      0x02
 
@@ -408,7 +406,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                int i;
 
                for (i = 0; i < cmd->chanlist_len; i++) {
-                       val = inw(dev->iobase + 0);
+                       val = inw(dev->iobase + APCI3120_AI_FIFO_REG);
                        comedi_buf_write_samples(s, &val, 1);
                }
 

diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c
index eec0cdba12063f910716de153118c1dc1d4e9b6c..322640ee91b5dd16692f727a09ac49c7f3bf01d7 100644 (file)
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -16,6 +16,7 @@
 /*
  * PCI BAR 1 register map (dev->iobase)
  */
+#define APCI3120_AI_FIFO_REG                   0x00
 #define APCI3120_CTRL_REG                      0x00
 #define APCI3120_CTRL_EXT_TRIG                 (1 << 15)
 #define APCI3120_CTRL_GATE(x)                  (1 << (12 + (x)))
@@ -370,7 +371,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                if (ret)
                        return ret;
 
-               data[i] = inw(dev->iobase + 0);
+               data[i] = inw(dev->iobase + APCI3120_AI_FIFO_REG);
        }
 
        return insn->n;