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Message-Id: <1333141707-16069-1-git-send-email-jrbenito@benito.qsl.br>
Date: Fri, 30 Mar 2012 18:08:27 -0300
From: Josenivaldo Benito Junior <jrbenito@...ito.qsl.br>
To: Jiri Kosina <jkosina@...e.cz>, linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: "Josenivaldo Benito Junior" <jrbenito@...ito.qsl.br>,
Franco Catrin <fcatrin@...il.com>
Subject: [PATCH] Aureal Remote Control Device Driver
From: "Josenivaldo Benito Junior" <jrbenito@...ito.qsl.br>
Devices like Aureal Cy se W-01RN USB_V3.1 and some derived hardware
have a bogus HID Report Descriptor. According to that report descriptor,
the maximum logical value for key events is 1 and not 101 (101 keys).
This quirk fixes this wrong Report Descriptor and is basically the same found
in hid-elecom.c.
Original driver can be found at: https://gitorious.org/hid-aureal-kernel-module
Signed-off-by: Josenivaldo Benito Junior <jrbenito@...ito.qsl.br>
Signed-off-by: Franco Catrin <fcatrin@...il.com>
---
drivers/hid/Kconfig | 6 +++++
drivers/hid/Makefile | 1 +
drivers/hid/hid-aureal.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/hid/hid-ids.h | 3 ++
4 files changed, 64 insertions(+), 0 deletions(-)
create mode 100644 drivers/hid/hid-aureal.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 4ecc256..03e2281 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -92,6 +92,12 @@ config HID_APPLE
Say Y here if you want support for keyboards of Apple iBooks, PowerBooks,
MacBooks, MacBook Pros and Apple Aluminum.
+config HID_AUREAL
+ tristate "Aureal"
+ depends on USB_HID
+ ---help---
+ Support for Aureal Cy se W-01RN Remote Controller and other Aureal derived remotes.
+
config HID_BELKIN
tristate "Belkin Flip KVM and Wireless keyboard" if EXPERT
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 22f1d16..5363f17 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -36,6 +36,7 @@ endif
obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
obj-$(CONFIG_HID_ACRUX) += hid-axff.o
obj-$(CONFIG_HID_APPLE) += hid-apple.o
+obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
diff --git a/drivers/hid/hid-aureal.c b/drivers/hid/hid-aureal.c
new file mode 100644
index 0000000..9fb676b
--- /dev/null
+++ b/drivers/hid/hid-aureal.c
@@ -0,0 +1,54 @@
+/*
+ * HID driver for Aureal Cy se W-01RN USB_V3.1 devices
+ *
+ * Copyright (c) 2010 Franco Catrin <fcatrin@...il.com>
+ * Copyright (c) 2010 Ben Cropley <bcropley@...ernode.on.net>
+ *
+ * Based on HID sunplus driver by
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@...e.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@...ci.rr.com> for Concept2, Inc
+ * Copyright (c) 2006-2007 Jiri Kosina
+ * Copyright (c) 2007 Paul Walmsley
+ * Copyright (c) 2008 Jiri Slaby
+ */
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+static __u8 *aureal_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) {
+ dev_info(&hdev->dev, "fixing Aureal Cy se W-01RN USB_V3.1 report descriptor. Keyboard Logical Maximum = 101\n");
+ rdesc[53] = 0x65;
+ } return rdesc;
+}
+
+static const struct hid_device_id aureal_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, aureal_devices);
+
+static struct hid_driver aureal_driver = {
+ .name = "aureal",
+ .id_table = aureal_devices,
+ .report_fixup = aureal_report_fixup,
+};
+
+static int __init aureal_init(void)
+{
+ return hid_register_driver(&aureal_driver);
+}
+
+static void __exit aureal_exit(void)
+{
+ hid_unregister_driver(&aureal_driver);
+}
+
+module_init(aureal_init);
+module_exit(aureal_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 2b67e84..720c9e7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -154,6 +154,9 @@
#define USB_DEVICE_ID_ATMEL_MULTITOUCH 0x211c
#define USB_DEVICE_ID_ATMEL_MXT_DIGITIZER 0x2118
+#define USB_VENDOR_ID_AUREAL 0x0755
+#define USB_DEVICE_ID_AUREAL_W01RN 0x2626
+
#define USB_VENDOR_ID_AVERMEDIA 0x07ca
#define USB_DEVICE_ID_AVER_FM_MR800 0xb800
--
1.7.5.4
--
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