[en] Watchdog on Jetway NC9C-550-LF mobo

A watchdog is available on the Jetway NC9C-550-LF mini-ITX motherboard. It is managed by the super IO chip, which appears to be a Fintech F71869.
Linux 2.6.36 has support for some Fintech watchdogs. This small patch adds the F71869.

--- ./drivers/watchdog/f71808e_wdt.c 2010-10-20 22:30:22.000000000 +0200
+++ /tmp/f71808e_wdt.c 2010-12-05 01:19:48.819567802 +0100
@@ -52,6 +52,8 @@
 #define SIO_F71882_ID  0x0541 /* Chipset ID */
 #define SIO_F71889_ID  0x0723 /* Chipset ID */
 
+#define SIO_F71869_ID  0x0814
+
 #define F71882FG_REG_START  0x01
 
 #define F71808FG_REG_WDO_CONF  0xf0
@@ -98,7 +100,7 @@
 MODULE_PARM_DESC(start_withtimeout, "Start watchdog timer on module load with"
  " given initial timeout. Zero (default) disables this feature.");
 
-enum chips { f71808fg, f71858fg, f71862fg, f71882fg, f71889fg };
+enum chips { f71808fg, f71858fg, f71862fg, f71882fg, f71889fg, f71869 };
 
 static const char *f71808e_names[] = {
  "f71808fg",
@@ -106,6 +108,7 @@
  "f71862fg",
  "f71882fg",
  "f71889fg",
+ "f71869",
 };
 
 /* Super-I/O Function prototypes */
@@ -308,6 +311,10 @@
   superio_set_bit(watchdog.sioaddr, 0x29, 1);
   break;
 
+ case f71869:
+  /* GPIO14 --> WDTRST# */
+  superio_clear_bit(watchdog.sioaddr, 0x29, 4);
+  break;
  default:
   /*
    * 'default' label to shut up the compiler and catch
@@ -708,6 +715,9 @@
  case SIO_F71882_ID:
   watchdog.type = f71882fg;
   break;
+ case SIO_F71869_ID:
+  watchdog.type = f71869;
+  break;
  case SIO_F71862_ID:
  case SIO_F71889_ID:
   /* These have a watchdog, though it isn't implemented (yet). */