From 3bb71064ae6a1e52f0568c930117f87a6d7ce79e Mon Sep 17 00:00:00 2001
From: Christoffer Sandberg <cs@tuxedo.de>
Date: Fri, 29 May 2020 16:20:02 +0200
Subject: [PATCH] Add empty new driver

---
 src/tuxedo_keyboard.c        | 30 ++++++++++-------
 src/tuxedo_keyboard_common.h |  5 +++
 src/uniwill_keyboard.h       | 63 ++++++++++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+), 11 deletions(-)
 create mode 100644 src/uniwill_keyboard.h

diff --git a/src/tuxedo_keyboard.c b/src/tuxedo_keyboard.c
index eec7d8f..e780cba 100644
--- a/src/tuxedo_keyboard.c
+++ b/src/tuxedo_keyboard.c
@@ -18,8 +18,7 @@
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
-#define DRIVER_NAME "tuxedo_keyboard"
-#define pr_fmt(fmt) DRIVER_NAME ": " fmt
+#define pr_fmt(fmt) "tuxedo_keyboard" ": " fmt
 
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -30,6 +29,7 @@
 #include <linux/input/sparse-keymap.h>
 #include "tuxedo_keyboard_common.h"
 #include "clevo_keyboard.h"
+#include "uniwill_keyboard.h"
 
 MODULE_AUTHOR("TUXEDO Computers GmbH <tux@tuxedocomputers.com>");
 MODULE_DESCRIPTION("TUXEDO Computers keyboard & keyboard backlight Driver");
@@ -39,6 +39,11 @@ MODULE_VERSION("2.0.4");
 MODULE_ALIAS("wmi:" CLEVO_EVENT_GUID);
 MODULE_ALIAS("wmi:" CLEVO_GET_GUID);
 
+static struct tuxedo_keyboard_driver *driver_list[] = {
+	&clevo_keyboard_driver,
+	&uniwill_keyboard_driver
+};
+
 static int tuxedo_input_init(const struct key_entry key_map[])
 {
 	int err;
@@ -90,24 +95,27 @@ static void __exit tuxedo_input_exit(void)
 
 static int __init tuxdeo_keyboard_init(void)
 {
-	int err;
-
+	int i, err;
+	int num_drivers = sizeof(driver_list) / sizeof(*driver_list);
 	TUXEDO_INFO("Model '%s' found\n",
 		    dmi_get_system_info(DMI_PRODUCT_NAME));
 
 	// Attempt to load each available driver
 	// Associated probe decides if it fits
 	// Driver from first successful probe is used
-	tuxedo_platform_device =
-		platform_create_bundle(clevo_keyboard_driver.platform_driver,
-				       clevo_keyboard_driver.probe, NULL, 0,
-				       NULL, 0);
 
-	if (IS_ERR(tuxedo_platform_device)) {
+	i = 0;
+	while (IS_ERR_OR_NULL(tuxedo_platform_device) && i < num_drivers) {
+		current_driver = driver_list[i];
+		tuxedo_platform_device = platform_create_bundle(
+			current_driver->platform_driver,
+			current_driver->probe, NULL, 0, NULL, 0);
+		++i;
+	}
+
+	if (IS_ERR_OR_NULL(tuxedo_platform_device)) {
 		TUXEDO_ERROR("No matching hardware found\n");
 		return -ENODEV;
-	} else {
-		current_driver = &clevo_keyboard_driver;
 	}
 
 	if (current_driver->key_map != NULL) {
diff --git a/src/tuxedo_keyboard_common.h b/src/tuxedo_keyboard_common.h
index cb75d0b..950db5f 100644
--- a/src/tuxedo_keyboard_common.h
+++ b/src/tuxedo_keyboard_common.h
@@ -20,6 +20,7 @@
 #ifndef TUXEDO_KEYBOARD_COMMON_H
 #define TUXEDO_KEYBOARD_COMMON_H
 
+#include <linux/module.h>
 #include <linux/input/sparse-keymap.h>
 
 /* ::::  Module specific Constants and simple Macros   :::: */
@@ -28,6 +29,10 @@
 #define TUXEDO_ERROR(fmt, ...) __TUXEDO_PR(err, fmt, ##__VA_ARGS__)
 #define TUXEDO_DEBUG(fmt, ...) __TUXEDO_PR(debug, "[%s:%u] " fmt, __func__, __LINE__, ##__VA_ARGS__)
 
+#ifndef DRIVER_NAME
+#define DRIVER_NAME "tuxedo_keyboard"
+#endif
+
 struct tuxedo_keyboard_driver {
 	// Platform driver provided by driver
 	struct platform_driver *platform_driver;
diff --git a/src/uniwill_keyboard.h b/src/uniwill_keyboard.h
new file mode 100644
index 0000000..0b77252
--- /dev/null
+++ b/src/uniwill_keyboard.h
@@ -0,0 +1,63 @@
+/*
+* uniwill_keyboard.h
+*
+* Copyright (C) 2018-2020 TUXEDO Computers GmbH <tux@tuxedocomputers.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#include "tuxedo_keyboard_common.h"
+
+struct tuxedo_keyboard_driver uniwill_keyboard_driver;
+
+static struct key_entry uniwill_wmi_keymap[] = {
+	{ KE_END,	0 }
+};
+
+static int uniwill_keyboard_probe(struct platform_device *dev)
+{
+	return -ENODEV;
+}
+
+static int uniwill_keyboard_remove(struct platform_device *dev)
+{
+	return 0;
+}
+
+static int uniwill_keyboard_suspend(struct platform_device *dev, pm_message_t state)
+{
+	return 0;
+}
+
+static int uniwill_keyboard_resume(struct platform_device *dev)
+{
+	return 0;
+}
+
+static struct platform_driver platform_driver_uniwill = {
+	.remove = uniwill_keyboard_remove,
+	.suspend = uniwill_keyboard_suspend,
+	.resume = uniwill_keyboard_resume,
+	.driver =
+		{
+			.name = DRIVER_NAME,
+			.owner = THIS_MODULE,
+		},
+};
+
+struct tuxedo_keyboard_driver uniwill_keyboard_driver = {
+	.platform_driver = &platform_driver_uniwill,
+	.probe = uniwill_keyboard_probe,
+	.key_map = uniwill_wmi_keymap,
+};