HID: add support for Keytouch IEC 60945
The keyboard has several bugs in its report descriptor, most
importantly the Logical Min/Max are completely off.
Replace it with simplified descriptor which describes it properly.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 94e73db..5fa0b95 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -180,6 +180,14 @@
---help---
Support for Ezkey BTC 8193 keyboard.
+config HID_KEYTOUCH
+ tristate "Keyoutch HID devices"
+ depends on USB_HID
+ ---help---
+ Support for Keytouch HID devices not fully compliant with
+ the specification. Currently supported:
+ - Keytouch IEC 60945
+
config HID_KYE
tristate "Kye/Genius Ergo Mouse" if EMBEDDED
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 2e1b1e3..5696477 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -41,6 +41,7 @@
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
obj-$(CONFIG_HID_KENSINGTON) += hid-kensington.o
+obj-$(CONFIG_HID_KEYTOUCH) += hid-keytouch.o
obj-$(CONFIG_HID_KYE) += hid-kye.o
obj-$(CONFIG_HID_LCPOWER) += hid-lcpower.o
obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 5e0e4ee..570db37 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1379,6 +1379,7 @@
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 15aca15..8fc82a7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -345,6 +345,9 @@
#define USB_VENDOR_ID_KWORLD 0x1b80
#define USB_DEVICE_ID_KWORLD_RADIO_FM700 0xd700
+#define USB_VENDOR_ID_KEYTOUCH 0x0926
+#define USB_DEVICE_ID_KEYTOUCH_IEC 0x3333
+
#define USB_VENDOR_ID_KYE 0x0458
#define USB_DEVICE_ID_KYE_ERGO_525V 0x0087
#define USB_DEVICE_ID_KYE_GPEN_560 0x5003
diff --git a/drivers/hid/hid-keytouch.c b/drivers/hid/hid-keytouch.c
new file mode 100644
index 0000000..07cd825
--- /dev/null
+++ b/drivers/hid/hid-keytouch.c
@@ -0,0 +1,66 @@
+/*
+ * HID driver for Keytouch devices not fully compliant with HID standard
+ *
+ * Copyright (c) 2011 Jiri Kosina
+ */
+
+/*
+ * 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.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+/* Replace the broken report descriptor of this device with rather
+ * a default one */
+static __u8 keytouch_fixed_rdesc[] = {
+0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15,
+0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08,
+0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91,
+0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00,
+0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0
+};
+
+static __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ hid_info(hdev, "fixing up Keytouch IEC report descriptor\n");
+
+ rdesc = keytouch_fixed_rdesc;
+ *rsize = sizeof(keytouch_fixed_rdesc);
+
+ return rdesc;
+}
+
+static const struct hid_device_id keytouch_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, keytouch_devices);
+
+static struct hid_driver keytouch_driver = {
+ .name = "keytouch",
+ .id_table = keytouch_devices,
+ .report_fixup = keytouch_report_fixup,
+};
+
+static int __init keytouch_init(void)
+{
+ return hid_register_driver(&keytouch_driver);
+}
+
+static void __exit keytouch_exit(void)
+{
+ hid_unregister_driver(&keytouch_driver);
+}
+
+module_init(keytouch_init);
+module_exit(keytouch_exit);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jiri Kosina");