staging: comedi: ni_stc.h: tidy up IO_Bidirection_Pin_Register

Rename the CamelCase.

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/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 41eae5c..fb1df9f 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -353,7 +353,7 @@
 	[NISTC_AO_UC_LOADA_REG]		= { 0x160, 4 },
 	[NISTC_AO_UC_LOADB_REG]		= { 0x164, 4 },
 	[NISTC_CLK_FOUT_REG]		= { 0x170, 2 },
-	[IO_Bidirection_Pin_Register]	= { 0x172, 2 },
+	[NISTC_IO_BIDIR_PIN_REG]	= { 0x172, 2 },
 	[RTSI_Trig_Direction_Register]	= { 0x174, 2 },
 	[Interrupt_Control_Register]	= { 0x176, 2 },
 	[AI_Output_Control_Register]	= { 0x178, 2 },
@@ -542,7 +542,7 @@
 		devpriv->int_b_enable_reg |= bit_values & bit_mask;
 		ni_stc_writew(dev, devpriv->int_b_enable_reg, reg);
 		break;
-	case IO_Bidirection_Pin_Register:
+	case NISTC_IO_BIDIR_PIN_REG:
 		devpriv->io_bidirection_pin_reg &= ~bit_mask;
 		devpriv->io_bidirection_pin_reg |= bit_values & bit_mask;
 		ni_stc_writew(dev, devpriv->io_bidirection_pin_reg, reg);
@@ -4434,10 +4434,10 @@
 
 	switch (data[0]) {
 	case COMEDI_OUTPUT:
-		ni_set_bits(dev, IO_Bidirection_Pin_Register, 1 << chan, 1);
+		ni_set_bits(dev, NISTC_IO_BIDIR_PIN_REG, 1 << chan, 1);
 		break;
 	case COMEDI_INPUT:
-		ni_set_bits(dev, IO_Bidirection_Pin_Register, 1 << chan, 0);
+		ni_set_bits(dev, NISTC_IO_BIDIR_PIN_REG, 1 << chan, 0);
 		break;
 	case INSN_CONFIG_DIO_QUERY:
 		data[1] =
@@ -5303,7 +5303,7 @@
 	}
 	s->insn_config	= ni_pfi_insn_config;
 
-	ni_set_bits(dev, IO_Bidirection_Pin_Register, ~0, 0);
+	ni_set_bits(dev, NISTC_IO_BIDIR_PIN_REG, ~0, 0);
 
 	/* cs5529 calibration adc */
 	s = &dev->subdevices[NI_CS5529_CALIBRATION_SUBDEV];
diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
index 907bf2a..e6be68c 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -276,6 +276,8 @@
 #define NISTC_CLK_FOUT_TO_DIVIDER(x)	(((x) >> 0) & 0xf)
 #define NISTC_CLK_FOUT_DIVIDER_MASK	NISTC_CLK_FOUT_DIVIDER(0xf)
 
+#define NISTC_IO_BIDIR_PIN_REG		57
+
 #define AI_Status_1_Register		2
 #define Interrupt_A_St				0x8000
 #define AI_FIFO_Full_St				0x4000
@@ -334,7 +336,6 @@
 #define AO_BC_Save_Registers		18
 #define AO_UC_Save_Registers		20
 
-#define IO_Bidirection_Pin_Register	57
 #define	RTSI_Trig_Direction_Register	58
 enum RTSI_Trig_Direction_Bits {
 	Drive_RTSI_Clock_Bit = 0x1,