HID: Add driver to fix Speedlink VAD Cezanne support (74bc6953) · Commits · 戴 / test

drivers/hid/Kconfig

+6 −0

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		@@ -494,6 +494,12 @@ config HID_SONY
		---help---
		Support for Sony PS3 controller.

		config HID_SPEEDLINK
		tristate "Speedlink VAD Cezanne mouse support"
		depends on USB_HID
		---help---
		Support for Speedlink Vicious and Divine Cezanne mouse.

		config HID_SUNPLUS
		tristate "Sunplus wireless desktop"
		depends on USB_HID

drivers/hid/Makefile

+1 −0

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		@@ -63,6 +63,7 @@ obj-$(CONFIG_HID_ROCCAT_PYRA) += hid-roccat-pyra.o
		obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
		obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o
		obj-$(CONFIG_HID_SONY) += hid-sony.o
		obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o
		obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
		obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o
		obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o

drivers/hid/hid-core.c

+1 −0

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		@@ -1497,6 +1497,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },

drivers/hid/hid-ids.h

+3 −0

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		@@ -658,6 +658,9 @@
		#define USB_VENDOR_ID_WISEGROUP_LTD2 0x6677
		#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802

		#define USB_VENDOR_ID_X_TENSIONS 0x1ae7
		#define USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE 0x9001

		#define USB_VENDOR_ID_YEALINK 0x6993
		#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001

drivers/hid/hid-speedlink.c

0 → 100644

+89 −0

Original line number	Diff line number	Diff line
		/*
		* HID driver for Speedlink Vicious and Divine Cezanne (USB mouse).
		* Fixes "jumpy" cursor and removes nonexistent keyboard LEDS from
		* the HID descriptor.
		*
		* Copyright (c) 2011 Stefan Kriwanek <mail@stefankriwanek.de>
		*/

		/*
		* 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 <linux/usb.h>

		#include "hid-ids.h"
		#include "usbhid/usbhid.h"

		static const struct hid_device_id speedlink_devices[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE)},
		{ }
		};

		static int speedlink_input_mapping(struct hid_device *hdev,
		struct hid_input *hi,
		struct hid_field field, struct hid_usage usage,
		unsigned long *bit, int max)
		{
		/*
		* The Cezanne mouse has a second "keyboard" USB endpoint for it is
		* able to map keyboard events to the button presses.
		* It sends a standard keyboard report descriptor, though, whose
		* LEDs we ignore.
		*/
		switch (usage->hid & HID_USAGE_PAGE) {
		case HID_UP_LED:
		return -1;
		}
		return 0;
		}

		static int speedlink_event(struct hid_device hdev, struct hid_field field,
		struct hid_usage *usage, __s32 value)
		{
		/* No other conditions due to usage_table. */
		/* Fix "jumpy" cursor (invalid events sent by device). */
		if (value == 256)
		return 1;
		/* Drop useless distance 0 events (on button clicks etc.) as well */
		if (value == 0)
		return 1;

		return 0;
		}

		MODULE_DEVICE_TABLE(hid, speedlink_devices);

		static const struct hid_usage_id speedlink_grabbed_usages[] = {
		{ HID_GD_X, EV_REL, 0 },
		{ HID_GD_Y, EV_REL, 1 },
		{ HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
		};

		static struct hid_driver speedlink_driver = {
		.name = "speedlink",
		.id_table = speedlink_devices,
		.usage_table = speedlink_grabbed_usages,
		.input_mapping = speedlink_input_mapping,
		.event = speedlink_event,
		};

		static int __init speedlink_init(void)
		{
		return hid_register_driver(&speedlink_driver);
		}

		static void __exit speedlink_exit(void)
		{
		hid_unregister_driver(&speedlink_driver);
		}

		module_init(speedlink_init);
		module_exit(speedlink_exit);
		MODULE_LICENSE("GPL");

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