修复看门狗返回的状态值为数值

watchdog.c

@@ -252,6 +252,11 @@ static int parse_watchdog_command(const char *buf, size_t count)
 	if (count == 1 && (buf[0] == '0' || buf[0] == '1')) {
 		return buf[0] - '0';
 	}
+
+	
+	if (count == 1 && (buf[0] == 0 || buf[0] == 1)) {
+		return buf[0];
+	}
 	
 	/* Check for "ON" or "OFF" (case insensitive) */
 	if (count >= 2) {
@@ -290,11 +295,11 @@ static ssize_t watchdog_read(struct file *file, char __user *user_buf,
 	memset(status_buf, 0, sizeof(status_buf));
 	if( watchdog_state == 1)
 	{
-		status_buf[0] = '1';
+		status_buf[0] = 1;
 	}
 	else
 	{
-	    status_buf[0] = '0';
+	    status_buf[0] = 0;
 	}
 	len = 1;
 	mutex_unlock(&watchdog_mutex);