staging: comedi: hwdrv_apci1564: remove magic numbers in apci1564_counter_insn_read()

[deliverable/linux.git] / drivers / staging / comedi / drivers / addi-data / hwdrv_apci1564.c

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 1315554fb0962d635f01169acba230dd07f5c239..f0c0d58383ca7fb06a8cb88c2da4383689d531cb 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -178,10 +178,10 @@ static int apci1564_counter_insn_read(struct comedi_device *dev,
        data[0] = inl(iobase + ADDI_TCW_VAL_REG);
 
        status = inl(iobase + ADDI_TCW_STATUS_REG);
-       data[1] = (status >> 1) & 1;    /* software trigger status */
-       data[2] = (status >> 2) & 1;    /* hardware trigger status */
-       data[3] = (status >> 3) & 1;    /* software clear status */
-       data[4] = (status >> 0) & 1;    /* overflow status */
+       data[1] = (status & ADDI_TCW_STATUS_SOFT_TRIG) ? 1 : 0;
+       data[2] = (status & ADDI_TCW_STATUS_HARDWARE_TRIG) ? 1 : 0;
+       data[3] = (status & ADDI_TCW_STATUS_SOFT_CLR) ? 1 : 0;
+       data[4] = (status & ADDI_TCW_STATUS_OVERFLOW) ? 1 : 0;
 
        return insn->n;
 }