#define DAS16_AO_LSB_REG(x) ((x) ? 0x06 : 0x04)
#define DAS16_AO_MSB_REG(x) ((x) ? 0x07 : 0x05)
#define DAS16_STATUS_REG 0x08
-#define DAS16_STATUS_BUSY (1 << 7)
-#define DAS16_STATUS_UNIPOLAR (1 << 6)
-#define DAS16_STATUS_MUXBIT (1 << 5)
-#define DAS16_STATUS_INT (1 << 4)
+#define DAS16_STATUS_BUSY BIT(7)
+#define DAS16_STATUS_UNIPOLAR BIT(6)
+#define DAS16_STATUS_MUXBIT BIT(5)
+#define DAS16_STATUS_INT BIT(4)
#define DAS16_CTRL_REG 0x09
-#define DAS16_CTRL_INTE (1 << 7)
+#define DAS16_CTRL_INTE BIT(7)
#define DAS16_CTRL_IRQ(x) (((x) & 0x7) << 4)
-#define DAS16_CTRL_DMAE (1 << 2)
+#define DAS16_CTRL_DMAE BIT(2)
#define DAS16_CTRL_PACING_MASK (3 << 0)
#define DAS16_CTRL_INT_PACER (3 << 0)
#define DAS16_CTRL_EXT_PACER (2 << 0)
#define DAS16_CTRL_SOFT_PACER (0 << 0)
#define DAS16_PACER_REG 0x0a
#define DAS16_PACER_BURST_LEN(x) (((x) & 0xf) << 4)
-#define DAS16_PACER_CTR0 (1 << 1)
-#define DAS16_PACER_TRIG0 (1 << 0)
+#define DAS16_PACER_CTR0 BIT(1)
+#define DAS16_PACER_TRIG0 BIT(0)
#define DAS16_GAIN_REG 0x0b
#define DAS16_TIMER_BASE_REG 0x0c /* to 0x0f */
#define DAS1600_CONV_REG 0x404
-#define DAS1600_CONV_DISABLE (1 << 6)
+#define DAS1600_CONV_DISABLE BIT(6)
#define DAS1600_BURST_REG 0x405
-#define DAS1600_BURST_VAL (1 << 6)
+#define DAS1600_BURST_VAL BIT(6)
#define DAS1600_ENABLE_REG 0x406
-#define DAS1600_ENABLE_VAL (1 << 6)
+#define DAS1600_ENABLE_VAL BIT(6)
#define DAS1600_STATUS_REG 0x407
-#define DAS1600_STATUS_BME (1 << 6)
-#define DAS1600_STATUS_ME (1 << 5)
-#define DAS1600_STATUS_CD (1 << 4)
-#define DAS1600_STATUS_WS (1 << 1)
-#define DAS1600_STATUS_CLK_10MHZ (1 << 0)
+#define DAS1600_STATUS_BME BIT(6)
+#define DAS1600_STATUS_ME BIT(5)
+#define DAS1600_STATUS_CD BIT(4)
+#define DAS1600_STATUS_WS BIT(1)
+#define DAS1600_STATUS_CLK_10MHZ BIT(0)
static const struct comedi_lrange range_das1x01_bip = {
4, {