staging: comedi: adv_pci1723: prefer using the BIT macro

#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

#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,