staging: comedi: adv_pci1723: prefer using the BIT macro

As suggested by checkpatch.pl, use the BIT macro to define the
register bits.

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/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c
index 1921a97..f82afd9 100644 (file)
--- a/drivers/staging/comedi/drivers/adv_pci1723.c
+++ b/drivers/staging/comedi/drivers/adv_pci1723.c
@@ -51,25 +51,27 @@
 #define PCI1723_BOARD_ID_REG           0x10
 #define PCI1723_BOARD_ID_MASK          (0xf << 0)
 #define PCI1723_SYNC_CTRL_REG          0x12
-#define PCI1723_SYNC_CTRL_ASYNC                (0 << 0)
-#define PCI1723_SYNC_CTRL_SYNC         (1 << 0)
+#define PCI1723_SYNC_CTRL(x)           (((x) & 0x1) << 0)
+#define PCI1723_SYNC_CTRL_ASYNC                PCI1723_SYNC_CTRL(0)
+#define PCI1723_SYNC_CTRL_SYNC         PCI1723_SYNC_CTRL(1)
 #define PCI1723_CTRL_REG               0x14
-#define PCI1723_CTRL_BUSY              (1 << 15)
-#define PCI1723_CTRL_INIT              (1 << 14)
-#define PCI1723_CTRL_SELF              (1 << 8)
+#define PCI1723_CTRL_BUSY              BIT(15)
+#define PCI1723_CTRL_INIT              BIT(14)
+#define PCI1723_CTRL_SELF              BIT(8)
 #define PCI1723_CTRL_IDX(x)            (((x) & 0x3) << 6)
 #define PCI1723_CTRL_RANGE(x)          (((x) & 0x3) << 4)
-#define PCI1723_CTRL_GAIN              (0 << 3)
-#define PCI1723_CTRL_OFFSET            (1 << 3)
+#define PCI1723_CTRL_SEL(x)            (((x) & 0x1) << 3)
+#define PCI1723_CTRL_GAIN              PCI1723_CTRL_SEL(0)
+#define PCI1723_CTRL_OFFSET            PCI1723_CTRL_SEL(1)
 #define PCI1723_CTRL_CHAN(x)           (((x) & 0x7) << 0)
 #define PCI1723_CALIB_CTRL_REG         0x16
-#define PCI1723_CALIB_CTRL_CS          (1 << 2)
-#define PCI1723_CALIB_CTRL_DAT         (1 << 1)
-#define PCI1723_CALIB_CTRL_CLK         (1 << 0)
+#define PCI1723_CALIB_CTRL_CS          BIT(2)
+#define PCI1723_CALIB_CTRL_DAT         BIT(1)
+#define PCI1723_CALIB_CTRL_CLK         BIT(0)
 #define PCI1723_CALIB_STROBE_REG       0x18
 #define PCI1723_DIO_CTRL_REG           0x1a
-#define PCI1723_DIO_CTRL_HDIO          (1 << 1)
-#define PCI1723_DIO_CTRL_LDIO          (1 << 0)
+#define PCI1723_DIO_CTRL_HDIO          BIT(1)
+#define PCI1723_DIO_CTRL_LDIO          BIT(0)
 #define PCI1723_DIO_DATA_REG           0x1c
 #define PCI1723_CALIB_DATA_REG         0x1e
 #define PCI1723_SYNC_STROBE_REG                0x20
@@ -77,9 +79,10 @@
 #define PCI1723_RESET_CALIB_STROBE_REG 0x24
 #define PCI1723_RANGE_STROBE_REG       0x26
 #define PCI1723_VREF_REG               0x28
-#define PCI1723_VREF_NEG10V            (0 << 0)
-#define PCI1723_VREF_0V                        (1 << 0)
-#define PCI1723_VREF_POS10V            (3 << 0)
+#define PCI1723_VREF(x)                        (((x) & 0x3) << 0)
+#define PCI1723_VREF_NEG10V            PCI1723_VREF(0)
+#define PCI1723_VREF_0V                        PCI1723_VREF(1)
+#define PCI1723_VREF_POS10V            PCI1723_VREF(3)
 
 static int pci1723_ao_insn_write(struct comedi_device *dev,
                                 struct comedi_subdevice *s,