staging: comedi: s526: define the miscellaneous register and bits

Define this register and its 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/s526.c

@@ -83,8 +83,8 @@
 #define S526_INT_AI		BIT(2)
 #define S526_INT_AO		BIT(1)
 #define S526_INT_TIMER		BIT(0)
-#define REG_MSC 0x10
-
+#define S526_MISC_REG		0x10
+#define S526_MISC_LED_OFF	BIT(0)
 #define S526_GPCT_LSB_REG(x)	(0x12 + ((x) * 8))
 #define S526_GPCT_MSB_REG(x)	(0x14 + ((x) * 8))
 #define S526_GPCT_MODE_REG(x)	(0x16 + ((x) * 8))