media: rc: add keymap for HardKernel ODROID remote

This is a simple NEC remote control device shipped with the HardKernel
ODROID range of SBC devices.

Signed-off-by: Christian Hewitt <[e-mail]>
Signed-off-by: Sean Young <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/rc/keymaps/Makefile

···
 			rc-nec-terratec-cinergy-xs.o \
 			rc-norwood.o \
 			rc-npgtech.o \
+			rc-odroid.o \
 			rc-pctv-sedna.o \
 			rc-pinnacle-color.o \
 			rc-pinnacle-grey.o \

drivers/media/rc/keymaps/rc-odroid.c

···
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (C) 2019 Christian Hewitt <[e-mail]>
+
+#include <media/rc-map.h>
+#include <linux/module.h>
+
+//
+// Keytable for the HardKernel ODROID remote control
+//
+
+static struct rc_map_table odroid[] = {
+	{ 0xb2dc, KEY_POWER },
+
+	{ 0xb288, KEY_MUTE },
+	{ 0xb282, KEY_HOME },
+
+	{ 0xb2ca, KEY_UP },
+	{ 0xb299, KEY_LEFT },
+	{ 0xb2ce, KEY_OK },
+	{ 0xb2c1, KEY_RIGHT },
+	{ 0xb2d2, KEY_DOWN },
+
+	{ 0xb2c5, KEY_MENU },
+	{ 0xb29a, KEY_BACK },
+
+	{ 0xb281, KEY_VOLUMEDOWN },
+	{ 0xb280, KEY_VOLUMEUP },
+};
+
+static struct rc_map_list odroid_map = {
+	.map = {
+		.scan     = odroid,
+		.size     = ARRAY_SIZE(odroid),
+		.rc_proto = RC_PROTO_NEC,
+		.name     = RC_MAP_ODROID,
+	}
+};
+
+static int __init init_rc_map_odroid(void)
+{
+	return rc_map_register(&odroid_map);
+}
+
+static void __exit exit_rc_map_odroid(void)
+{
+	rc_map_unregister(&odroid_map);
+}
+
+module_init(init_rc_map_odroid)
+module_exit(exit_rc_map_odroid)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Christian Hewitt <[e-mail]");

include/media/rc-map.h

···
 #define RC_MAP_NEC_TERRATEC_CINERGY_XS   "rc-nec-terratec-cinergy-xs"
 #define RC_MAP_NORWOOD                   "rc-norwood"
 #define RC_MAP_NPGTECH                   "rc-npgtech"
+#define RC_MAP_ODROID                    "rc-odroid"
 #define RC_MAP_PCTV_SEDNA                "rc-pctv-sedna"
 #define RC_MAP_PINNACLE_COLOR            "rc-pinnacle-color"
 #define RC_MAP_PINNACLE_GREY             "rc-pinnacle-grey"