#define KE_MSB_REG(x) (0x0c + ((x) * 0x20))
#define KE_SIGN_REG(x) (0x10 + ((x) * 0x20))
#define KE_OSC_SEL_REG 0xf8
-#define KE_OSC_SEL_EXT (1 << 0)
-#define KE_OSC_SEL_4MHZ (2 << 0)
-#define KE_OSC_SEL_20MHZ (3 << 0)
+#define KE_OSC_SEL_CLK(x) (((x) & 0x3) << 0)
+#define KE_OSC_SEL_EXT KE_OSC_SEL_CLK(1)
+#define KE_OSC_SEL_4MHZ KE_OSC_SEL_CLK(2)
+#define KE_OSC_SEL_20MHZ KE_OSC_SEL_CLK(3)
#define KE_DO_REG 0xfc
static int ke_counter_insn_write(struct comedi_device *dev,