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

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/s526.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/s526.c 
b/drivers/staging/comedi/drivers/s526.c
index e329c04..df463a22 100644
--- 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
-- 
2.4.3

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