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-rw-r--r--drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
index d971f7a0926f..375707497896 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
@@ -133,7 +133,8 @@ static int apci3501_read_insn_timer(struct comedi_device *dev,
devpriv->timer_mode != ADDIDATA_WATCHDOG)
return -EINVAL;
- data[0] = inl(devpriv->tcw + ADDI_TCW_STATUS_REG) & 0x1;
+ data[0] = inl(devpriv->tcw + ADDI_TCW_STATUS_REG) &
+ ADDI_TCW_STATUS_OVERFLOW;
data[1] = inl(devpriv->tcw + ADDI_TCW_VAL_REG);
return insn->n;