staging: comedi: s526: define the watchdog timer control register and bits

Define this register and it's bits so that we can possibly support
it.

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/s526.c b/drivers/staging/comedi/drivers/s526.c
index e329c04..df463a2 100644 (file)
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -52,7 +52,10 @@
 #define S526_TIMER_MANUAL      S526_TIMER_MODE(0)
 #define S526_TIMER_AUTO                S526_TIMER_MODE(1)
 #define S526_TIMER_RESTART     BIT(0)
-#define REG_WDC 0x02
+#define S526_WDOG_REG          0x02
+#define S526_WDOG_INVERTED     BIT(4)
+#define S526_WDOG_ENA          BIT(3)
+#define S526_WDOG_INTERVAL(x)  (((x) & 0x7) << 0)
 #define REG_DAC 0x04
 #define REG_ADC 0x06
 #define REG_ADD 0x08