staging: comedi: amplc_pci230: fix a precedence bug

The addition operation has higher precedence than ?: so this would write
to PCI230_DACOUT1 instead of devpriv->daqio + PCI230_DACOUT1.

Fixes: 4f9c63fe5333 ('staging: comedi: amplc_pci230: refactor iobase addresses')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 0da5a4a..cd63706 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -624,7 +624,7 @@ static inline void pci230_ao_write_nofifo(struct comedi_device *dev,
 
        /* Write mangled datum to appropriate DACOUT register. */
        outw(pci230_ao_mangle_datum(dev, datum),
-            devpriv->daqio + ((chan) == 0) ? PCI230_DACOUT1 : PCI230_DACOUT2);
+            devpriv->daqio + ((chan == 0) ? PCI230_DACOUT1 : PCI230_DACOUT2));
 }
 
 static inline void pci230_ao_write_fifo(struct comedi_device *dev,