drivers: kscan: Add syscall handler for Keyboard Matrix API

Introduction of syscall handlers for the Keyboard Scan Matrix API

Signed-off-by: Francisco Munoz <[email protected]>

Author: franciscomunoz

drivers/kscan/Kconfig

@@ -1,4 +1,4 @@
-# Kconfig - Keyboard scan  configuration options
+# Kconfig - Keyboard scan configuration options
 
 #
 # Copyright (c) 2019 Intel Corporation
@@ -7,7 +7,7 @@
 #
 
 menuconfig KSCAN
-	bool "Keyboard scan Drivers"
+	bool "Keyboard Scan Drivers"
 	help
 	  Include Keyboard scan drivers in system config.
 

drivers/kscan/kscan_handlers.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <drivers/kscan.h>
+#include <syscall_handler.h>
+
+static inline int z_vrfy_kscan_config(struct device *dev,
+				      kscan_callback_t callback_isr)
+{
+	Z_OOPS(Z_SYSCALL_DRIVER_KSCAN(dev, config));
+	Z_OOPS(Z_SYSCALL_VERIFY_MSG(callback == 0,
+				    "callback cannot be set from user mode"));
+	return z_impl_kscan_config((struct device *)dev, callback);
+}
+#include <syscalls/kscan_config_mrsh.c>
+
+static inline int z_vrfy_kscan_disable_callback(struct device *dev);
+{
+	return z_impl_kscan_disable_callback((struct device *)dev);
+}
+#include <syscalls/kscan_disable_callback_mrsh.c>
+
+static int z_vrfy_kscan_enable_callback(struct device *dev);
+{
+	return z_impl_kscan_enable_callback((struct device *)dev);
+}
+#include <syscalls/kscan_enable_callback_mrsh.c>