staging: comedi: ni_stc.h: tidy up Misc_Command register and bits

Rename the CamelCase. Use the BIT() macro to define the 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>

drivers/staging/comedi/drivers/ni_mio_common.c

@@ -1620,7 +1620,7 @@ static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s)
 	ni_clear_ai_fifo(dev);
 
 	if (!devpriv->is_6143)
-		ni_writeb(dev, 0, Misc_Command);
+		ni_writeb(dev, NI_E_MISC_CMD_EXT_ATRIG, NI_E_MISC_CMD_REG);
 
 	ni_stc_writew(dev, NISTC_AI_CMD1_DISARM, NISTC_AI_CMD1_REG);
 	ni_stc_writew(dev, NISTC_AI_MODE1_START_STOP |

drivers/staging/comedi/drivers/ni_stc.h

@@ -577,7 +577,11 @@
 #define NI_E_SERIAL_CMD_SDATA		BIT(1)
 #define NI_E_SERIAL_CMD_SCLK		BIT(0)
 
-#define Misc_Command			0x0f
+#define NI_E_MISC_CMD_REG		0x0f	/* w8 */
+#define NI_E_MISC_CMD_INTEXT_ATRIG(x)	(((x) & 0x1) << 7)
+#define NI_E_MISC_CMD_EXT_ATRIG		NI_E_MISC_CMD_INTEXT_ATRIG(0)
+#define NI_E_MISC_CMD_INT_ATRIG		NI_E_MISC_CMD_INTEXT_ATRIG(1)
+
 #define Port_A				0x19
 #define Port_B				0x1b
 #define Port_C				0x1d