Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
  Revert "HID: add support for the Wacom Intuos 4 wireless"
  HID: fix up Kconfig entry for ACRUX driver
  HID: add ACRUX game controller force feedback support
  HID: Force input registration for "VEC footpedal"
  HID: add HID_QUIRK_HIDINPUT_FORCE
  HID: hid-input.c: indentation fixes
  HID: hiddev: use usb_find_interface, get rid of BKL
  HID: ignore digitizer usage Undefined (0x00)
  HID: Add support for Conceptronic CLLRCMCE
  HID: hid-ids.h: Whitespace fixup, align using TABs
  HID: picolcd: implement refcounting of framebuffer
  HID: picolcd: do not reallocate memory on depth change
  HID: picolcd: Add minimal palette required by fbcon on 8bpp
  HID: magicmouse: Correct parsing of large X and Y motions.
  HID: magicmouse: report last touch up
  HID: picolcd: fix deferred_io init/cleanup to fb ordering
  HID: hid-ids.h: keep vendor ids in alphabetical order
  HID: add proper support for Elecom BM084 bluetooth mouse
  HID: magicmouse: enable horizontal scrolling
  HID: magicmouse: add param for scroll speed
  ...

Documentation/ABI/testing/sysfs-driver-hid-roccat-kone

@@ -33,19 +33,6 @@ Description:	When read, this file returns the raw integer version number of the
 		left. E.g. a returned value of 138 means 1.38
 		This file is readonly.
 
-What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/kone_driver_version
-Date:		March 2010
-Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:	When read, this file returns the driver version.
-		The format of the string is "v<major>.<minor>.<patchlevel>".
-		This attribute is used by the userland tools to find the sysfs-
-		paths of installed kone-mice and determine the capabilites of
-		the driver. Versions of this driver for old kernels replace
-		usbhid instead of generic-usb. The way to scan for this file
-		has been chosen to provide a consistent way for all supported
-		kernel versions.
-		This file is readonly.
-
 What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile[1-5]
 Date:		March 2010
 Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>

drivers/hid/Kconfig

@@ -68,6 +68,14 @@ config HID_A4TECH
 	---help---
 	Support for A4 tech X5 and WOP-35 / Trust 450L mice.
 
+config HID_ACRUX_FF
+	tristate "ACRUX force feedback support"
+	depends on USB_HID
+	select INPUT_FF_MEMLESS
+	---help---
+	Say Y here if you want to enable force feedback support for ACRUX
+	game controllers.
+
 config HID_APPLE
 	tristate "Apple" if EMBEDDED
 	depends on (USB_HID || BT_HIDP)
@@ -148,6 +156,12 @@ config HID_EGALAX
 	---help---
 	Support for the eGalax dual-touch panel.
 
+config HID_ELECOM
+	tristate "ELECOM"
+	depends on BT_HIDP
+	---help---
+	Support for the ELECOM BM084 (bluetooth mouse).
+
 config HID_EZKEY
 	tristate "Ezkey" if EMBEDDED
 	depends on USB_HID
@@ -417,10 +431,11 @@ config SMARTJOYPLUS_FF
 	enable force feedback support for it.
 
 config HID_TOPSEED
-	tristate "TopSeed Cyberlink remote control support"
+	tristate "TopSeed Cyberlink, BTC Emprex, Conceptronic remote control support"
 	depends on USB_HID
 	---help---
-	Say Y if you have a TopSeed Cyberlink or BTC Emprex remote control.
+	Say Y if you have a TopSeed Cyberlink or BTC Emprex or Conceptronic
+	CLLRCMCE remote control.
 
 config HID_THRUSTMASTER
 	tristate "ThrustMaster devices support"

drivers/hid/Makefile

@@ -24,6 +24,7 @@ endif
 
 obj-$(CONFIG_HID_3M_PCT)	+= hid-3m-pct.o
 obj-$(CONFIG_HID_A4TECH)	+= hid-a4tech.o
+obj-$(CONFIG_HID_ACRUX_FF)	+= hid-axff.o
 obj-$(CONFIG_HID_APPLE)		+= hid-apple.o
 obj-$(CONFIG_HID_BELKIN)	+= hid-belkin.o
 obj-$(CONFIG_HID_CANDO)		+= hid-cando.o
@@ -32,6 +33,7 @@ obj-$(CONFIG_HID_CHICONY)	+= hid-chicony.o
 obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o
 obj-$(CONFIG_HID_DRAGONRISE)	+= hid-drff.o
 obj-$(CONFIG_HID_EGALAX)	+= hid-egalax.o
+obj-$(CONFIG_HID_ELECOM)	+= hid-elecom.o
 obj-$(CONFIG_HID_EZKEY)		+= hid-ezkey.o
 obj-$(CONFIG_HID_GYRATION)	+= hid-gyration.o
 obj-$(CONFIG_HID_KENSINGTON)	+= hid-kensington.o

drivers/hid/hid-axff.c

@@ -0,0 +1,172 @@
+/*
+ * Force feedback support for ACRUX game controllers
+ *
+ * From what I have gathered, these devices are mass produced in China
+ * by several vendors. They often share the same design as the original
+ * Xbox 360 controller.
+ *
+ * 1a34:0802 "ACRUX USB GAMEPAD 8116"
+ *  - tested with a EXEQ EQ-PCU-02090 game controller.
+ *
+ * Copyright (c) 2010 Sergei Kolzun <x0r@dv-life.ru>
+ */
+
+/*
+ * 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 <linux/input.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/hid.h>
+
+#include "hid-ids.h"
+#include "usbhid/usbhid.h"
+
+struct axff_device {
+	struct hid_report *report;
+};
+
+static int axff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
+{
+	struct hid_device *hid = input_get_drvdata(dev);
+	struct axff_device *axff = data;
+	int left, right;
+
+	left = effect->u.rumble.strong_magnitude;
+	right = effect->u.rumble.weak_magnitude;
+
+	dbg_hid("called with 0x%04x 0x%04x", left, right);
+
+	left = left * 0xff / 0xffff;
+	right = right * 0xff / 0xffff;
+
+	axff->report->field[0]->value[0] = left;
+	axff->report->field[1]->value[0] = right;
+	axff->report->field[2]->value[0] = left;
+	axff->report->field[3]->value[0] = right;
+	dbg_hid("running with 0x%02x 0x%02x", left, right);
+	usbhid_submit_report(hid, axff->report, USB_DIR_OUT);
+
+	return 0;
+}
+
+static int axff_init(struct hid_device *hid)
+{
+	struct axff_device *axff;
+	struct hid_report *report;
+	struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+	struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list;
+	struct input_dev *dev = hidinput->input;
+	int error;
+
+	if (list_empty(report_list)) {
+		dev_err(&hid->dev, "no output reports found\n");
+		return -ENODEV;
+	}
+
+	report = list_first_entry(report_list, struct hid_report, list);
+
+	if (report->maxfield < 4) {
+		dev_err(&hid->dev, "no fields in the report: %d\n", report->maxfield);
+		return -ENODEV;
+	}
+
+	axff = kzalloc(sizeof(struct axff_device), GFP_KERNEL);
+	if (!axff)
+		return -ENOMEM;
+
+	set_bit(FF_RUMBLE, dev->ffbit);
+
+	error = input_ff_create_memless(dev, axff, axff_play);
+	if (error)
+		goto err_free_mem;
+
+	axff->report = report;
+	axff->report->field[0]->value[0] = 0x00;
+	axff->report->field[1]->value[0] = 0x00;
+	axff->report->field[2]->value[0] = 0x00;
+	axff->report->field[3]->value[0] = 0x00;
+	usbhid_submit_report(hid, axff->report, USB_DIR_OUT);
+
+	dev_info(&hid->dev, "Force Feedback for ACRUX game controllers by Sergei Kolzun<x0r@dv-life.ru>\n");
+
+	return 0;
+
+err_free_mem:
+	kfree(axff);
+	return error;
+}
+
+static int ax_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int error;
+
+	dev_dbg(&hdev->dev, "ACRUX HID hardware probe...");
+
+	error = hid_parse(hdev);
+	if (error) {
+		dev_err(&hdev->dev, "parse failed\n");
+		return error;
+	}
+
+	error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
+	if (error) {
+		dev_err(&hdev->dev, "hw start failed\n");
+		return error;
+	}
+
+	error = axff_init(hdev);
+	if (error) {
+		/*
+		 * Do not fail device initialization completely as device
+		 * may still be partially operable, just warn.
+		 */
+		dev_warn(&hdev->dev,
+			 "Failed to enable force feedback support, error: %d\n",
+			 error);
+	}
+
+	return 0;
+}
+
+static const struct hid_device_id ax_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802), },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, ax_devices);
+
+static struct hid_driver ax_driver = {
+	.name = "acrux",
+	.id_table = ax_devices,
+	.probe = ax_probe,
+};
+
+static int __init ax_init(void)
+{
+	return hid_register_driver(&ax_driver);
+}
+
+static void __exit ax_exit(void)
+{
+	hid_unregister_driver(&ax_driver);
+}
+
+module_init(ax_init);
+module_exit(ax_exit);
+
+MODULE_AUTHOR("Sergei Kolzun");
+MODULE_DESCRIPTION("Force feedback support for ACRUX game controllers");
+MODULE_LICENSE("GPL");

drivers/hid/hid-core.c

@@ -1157,6 +1157,8 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 
 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
+	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
+		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
 	if (hdev->bus != BUS_USB)
 		connect_mask &= ~HID_CONNECT_HIDDEV;
 	if (hid_hiddev(hdev))
@@ -1239,6 +1241,9 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
+#if defined(CONFIG_HID_ACRUX_FF) || defined(CONFIG_HID_ACRUX_FF_MODULE)
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
+#endif
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
@@ -1294,6 +1299,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
@@ -1375,10 +1381,10 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
-	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
 	{ 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-elecom.c

@@ -0,0 +1,57 @@
+/*
+ *  HID driver for Elecom BM084 (bluetooth mouse).
+ *  Removes a non-existing horizontal wheel from
+ *  the HID descriptor.
+ *  (This module is based on "hid-ortek".)
+ *
+ *  Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.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.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+static void elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int rsize)
+{
+	if (rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) {
+		dev_info(&hdev->dev, "Fixing up Elecom BM084 "
+				"report descriptor.\n");
+		rdesc[47] = 0x00;
+	}
+}
+
+static const struct hid_device_id elecom_devices[] = {
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084)},
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, elecom_devices);
+
+static struct hid_driver elecom_driver = {
+	.name = "elecom",
+	.id_table = elecom_devices,
+	.report_fixup = elecom_report_fixup
+};
+
+static int __init elecom_init(void)
+{
+	return hid_register_driver(&elecom_driver);
+}
+
+static void __exit elecom_exit(void)
+{
+	hid_unregister_driver(&elecom_driver);
+}
+
+module_init(elecom_init);
+module_exit(elecom_exit);
+MODULE_LICENSE("GPL");

drivers/hid/hid-ids.h

@@ -34,6 +34,8 @@
 #define USB_DEVICE_ID_ACECAD_FLAIR	0x0004
 #define USB_DEVICE_ID_ACECAD_302	0x0008
 
+#define USB_VENDOR_ID_ACRUX		0x1a34
+
 #define USB_VENDOR_ID_ADS_TECH 		0x06e1
 #define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X	0xa155
 
@@ -81,12 +83,12 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING_ANSI	0x0223
 #define USB_DEVICE_ID_APPLE_WELLSPRING_ISO	0x0224
 #define USB_DEVICE_ID_APPLE_WELLSPRING_JIS	0x0225
-#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI    0x0229
-#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO     0x022a
-#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS     0x022b
-#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI  0x022c
-#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO   0x022d
-#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS   0x022e
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI	0x0229
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO	0x022a
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS	0x022b
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI	0x022c
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO	0x022d
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS	0x022e
 #define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI	0x0230
 #define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO	0x0231
 #define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS	0x0232
@@ -118,8 +120,8 @@
 #define USB_VENDOR_ID_AVERMEDIA		0x07ca
 #define USB_DEVICE_ID_AVER_FM_MR800	0xb800
 
-#define USB_VENDOR_ID_BELKIN           0x050d
-#define USB_DEVICE_ID_FLIP_KVM         0x3201
+#define USB_VENDOR_ID_BELKIN		0x050d
+#define USB_DEVICE_ID_FLIP_KVM		0x3201
 
 #define USB_VENDOR_ID_BERKSHIRE		0x0c98
 #define USB_DEVICE_ID_BERKSHIRE_PCWD	0x1140
@@ -128,7 +130,7 @@
 #define USB_DEVICE_ID_BTC_EMPREX_REMOTE	0x5578
 
 #define USB_VENDOR_ID_CANDO		0x2087
-#define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01
+#define USB_DEVICE_ID_CANDO_MULTI_TOUCH	0x0a01
 #define USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6 0x0b03
 
 #define USB_VENDOR_ID_CH		0x068e
@@ -175,7 +177,7 @@
 #define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701	0x819a
 
 #define USB_VENDOR_ID_DELORME		0x1163
-#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
+#define USB_DEVICE_ID_DELORME_EARTHMATE	0x0100
 #define USB_DEVICE_ID_DELORME_EM_LT20	0x0200
 
 #define USB_VENDOR_ID_DMI		0x0c0b
@@ -187,20 +189,23 @@
 #define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER	0x0001
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH	0x480d
 
+#define USB_VENDOR_ID_ELECOM		0x056e
+#define USB_DEVICE_ID_ELECOM_BM084	0x0061
+
 #define USB_VENDOR_ID_ELO		0x04E7
 #define USB_DEVICE_ID_ELO_TS2700	0x0020
 
 #define USB_VENDOR_ID_ESSENTIAL_REALITY	0x0d7f
 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
 
-#define USB_VENDOR_ID_ETURBOTOUCH	0x22b9
-#define USB_DEVICE_ID_ETURBOTOUCH	0x0006
-
 #define USB_VENDOR_ID_ETT		0x0664
 #define USB_DEVICE_ID_TC5UH		0x0309
 #define USB_DEVICE_ID_TC4UM		0x0306
 
-#define USB_VENDOR_ID_EZKEY 		0x0518
+#define USB_VENDOR_ID_ETURBOTOUCH	0x22b9
+#define USB_DEVICE_ID_ETURBOTOUCH	0x0006
+
+#define USB_VENDOR_ID_EZKEY		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
 
 #define USB_VENDOR_ID_GAMERON		0x0810
@@ -297,9 +302,16 @@
 #define USB_VENDOR_ID_KBGEAR		0x084e
 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO	0x1001
 
+#define USB_VENDOR_ID_KENSINGTON	0x047d
+#define USB_DEVICE_ID_KS_SLIMBLADE	0x2041
+
 #define USB_VENDOR_ID_KWORLD		0x1b80
 #define USB_DEVICE_ID_KWORLD_RADIO_FM700	0xd700
 
+#define USB_VENDOR_ID_KYE		0x0458
+#define USB_DEVICE_ID_KYE_ERGO_525V	0x0087
+#define USB_DEVICE_ID_KYE_GPEN_560	0x5003
+
 #define USB_VENDOR_ID_LABTEC		0x1020
 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD	0x0006
 
@@ -319,9 +331,6 @@
 #define USB_DEVICE_ID_LD_POWERCONTROL	0x2030
 #define USB_DEVICE_ID_LD_MACHINETEST	0x2040
 
-#define USB_VENDOR_ID_KENSINGTON	0x047d
-#define USB_DEVICE_ID_KS_SLIMBLADE	0x2041
-
 #define USB_VENDOR_ID_LOGITECH		0x046d
 #define USB_DEVICE_ID_LOGITECH_RECEIVER	0xc101
 #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST  0xc110
@@ -377,23 +386,23 @@
 #define USB_VENDOR_ID_MONTEREY		0x0566
 #define USB_DEVICE_ID_GENIUS_KB29E	0x3004
 
+#define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400
+#define USB_DEVICE_ID_N_S_HARMONY	0xc359
+
+#define USB_VENDOR_ID_NATSU		0x08b7
+#define USB_DEVICE_ID_NATSU_GAMEPAD	0x0001
+
 #define USB_VENDOR_ID_NCR		0x0404
 #define USB_DEVICE_ID_NCR_FIRST		0x0300
 #define USB_DEVICE_ID_NCR_LAST		0x03ff
 
-#define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400
-#define USB_DEVICE_ID_N_S_HARMONY       0xc359
-
-#define USB_VENDOR_ID_NATSU             0x08b7
-#define USB_DEVICE_ID_NATSU_GAMEPAD     0x0001
-
 #define USB_VENDOR_ID_NEC		0x073e
 #define USB_DEVICE_ID_NEC_USB_GAME_PAD	0x0301
 
 #define USB_VENDOR_ID_NEXTWINDOW	0x1926
 #define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN	0x0003
 
-#define USB_VENDOR_ID_NTRIG                0x1b96
+#define USB_VENDOR_ID_NTRIG		0x1b96
 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN   0x0001
 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1   0x0003
 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2   0x0004
@@ -428,9 +437,12 @@
 #define USB_VENDOR_ID_PETALYNX		0x18b1
 #define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE	0x0037
 
-#define USB_VENDOR_ID_PHILIPS       0x0471
+#define USB_VENDOR_ID_PHILIPS		0x0471
 #define USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE 0x0617
 
+#define USB_VENDOR_ID_PI_ENGINEERING	0x05f3
+#define USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL	0xff
+
 #define USB_VENDOR_ID_PLAYDOTCOM	0x0b43
 #define USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII	0x0003
 
@@ -440,16 +452,16 @@
 #define USB_VENDOR_ID_PRODIGE		0x05af
 #define USB_DEVICE_ID_PRODIGE_CORDLESS	0x3062
 
+#define USB_VENDOR_ID_QUANTA		0x0408
+#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH	0x3000
+#define USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN	0x3001
+
 #define USB_VENDOR_ID_ROCCAT		0x1e7d
 #define USB_DEVICE_ID_ROCCAT_KONE	0x2ced
 
 #define USB_VENDOR_ID_SAITEK		0x06a3
 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17
 
-#define USB_VENDOR_ID_QUANTA		0x0408
-#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH	0x3000
-#define USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN	0x3001
-
 #define USB_VENDOR_ID_SAMSUNG		0x0419
 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE	0x0001
 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE	0x0600
@@ -473,20 +485,23 @@
 
 #define USB_VENDOR_ID_THRUSTMASTER	0x044f
 
-#define USB_VENDOR_ID_TOUCHPACK		0x1bfd
-#define USB_DEVICE_ID_TOUCHPACK_RTS	0x1688
+#define USB_VENDOR_ID_TOPSEED		0x0766
+#define USB_DEVICE_ID_TOPSEED_CYBERLINK	0x0204
+
+#define USB_VENDOR_ID_TOPSEED2		0x1784
+#define USB_DEVICE_ID_TOPSEED2_RF_COMBO	0x0004
 
 #define USB_VENDOR_ID_TOPMAX		0x0663
 #define USB_DEVICE_ID_TOPMAX_COBRAPAD	0x0103
 
-#define USB_VENDOR_ID_TOPSEED		0x0766
-#define USB_DEVICE_ID_TOPSEED_CYBERLINK	0x0204
+#define USB_VENDOR_ID_TOUCHPACK		0x1bfd
+#define USB_DEVICE_ID_TOUCHPACK_RTS	0x1688
 
 #define USB_VENDOR_ID_TURBOX		0x062a
 #define USB_DEVICE_ID_TURBOX_KEYBOARD	0x0201
 
-#define USB_VENDOR_ID_TWINHAN           0x6253
-#define USB_DEVICE_ID_TWINHAN_IR_REMOTE 0x0100
+#define USB_VENDOR_ID_TWINHAN		0x6253
+#define USB_DEVICE_ID_TWINHAN_IR_REMOTE	0x0100
 
 #define USB_VENDOR_ID_UCLOGIC		0x5543
 #define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209	0x0042
@@ -501,7 +516,6 @@
 
 #define USB_VENDOR_ID_WACOM		0x056a
 #define USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH	0x81
-#define USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH	0xbd
 
 #define USB_VENDOR_ID_WISEGROUP		0x0925
 #define USB_DEVICE_ID_SMARTJOY_PLUS	0x0005
@@ -523,9 +537,4 @@
 #define USB_VENDOR_ID_ZYDACRON	0x13EC
 #define USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL	0x0006
 
-#define USB_VENDOR_ID_KYE		0x0458
-#define USB_DEVICE_ID_KYE_ERGO_525V	0x0087
-#define USB_DEVICE_ID_KYE_GPEN_560	0x5003
-
-
 #endif

drivers/hid/hid-input.c

@@ -199,11 +199,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 		case HID_GD_MOUSE:
 		case HID_GD_POINTER:  code += 0x110; break;
 		case HID_GD_JOYSTICK:
-				      if (code <= 0xf)
-					      code += BTN_JOYSTICK;
-				      else
-					      code += BTN_TRIGGER_HAPPY;
-				      break;
+				if (code <= 0xf)
+					code += BTN_JOYSTICK;
+				else
+					code += BTN_TRIGGER_HAPPY;
+				break;
 		case HID_GD_GAMEPAD:  code += 0x130; break;
 		default:
 			switch (field->physical) {
@@ -301,6 +301,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 
 	case HID_UP_DIGITIZER:
 		switch (usage->hid & 0xff) {
+		case 0x00: /* Undefined */
+			goto ignore;
+
 		case 0x30: /* TipPressure */
 			if (!test_bit(BTN_TOUCH, input->keybit)) {
 				device->quirks |= HID_QUIRK_NOTOUCH;
@@ -480,7 +483,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 
 	case HID_UP_LOGIVENDOR:
 		goto ignore;
-	
+
 	case HID_UP_PID:
 		switch (usage->hid & HID_USAGE) {
 		case 0xa4: map_key_clear(BTN_DEAD);	break;
@@ -589,9 +592,9 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 			hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
 		if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
 		input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
-                input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
-                return;
-        }
+		input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
+		return;
+	}
 
 	if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
 		*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);

drivers/hid/hid-magicmouse.c

@@ -30,6 +30,21 @@ static bool emulate_scroll_wheel = true;
 module_param(emulate_scroll_wheel, bool, 0644);
 MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel");
 
+static unsigned int scroll_speed = 32;
+static int param_set_scroll_speed(const char *val, struct kernel_param *kp) {
+	unsigned long speed;
+	if (!val || strict_strtoul(val, 0, &speed) || speed > 63)
+		return -EINVAL;
+	scroll_speed = speed;
+	return 0;
+}
+module_param_call(scroll_speed, param_set_scroll_speed, param_get_uint, &scroll_speed, 0644);
+MODULE_PARM_DESC(scroll_speed, "Scroll speed, value from 0 (slow) to 63 (fast)");
+
+static bool scroll_acceleration = false;
+module_param(scroll_acceleration, bool, 0644);
+MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events");
+
 static bool report_touches = true;
 module_param(report_touches, bool, 0644);
 MODULE_PARM_DESC(report_touches, "Emit touch records (otherwise, only use them for emulation)");
@@ -50,6 +65,8 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie
 #define TOUCH_STATE_START 0x30
 #define TOUCH_STATE_DRAG  0x40
 
+#define SCROLL_ACCEL_DEFAULT 7
+
 /**
  * struct magicmouse_sc - Tracks Magic Mouse-specific data.
  * @input: Input device through which we report events.
@@ -78,8 +95,10 @@ struct magicmouse_sc {
 	struct {
 		short x;
 		short y;
+		short scroll_x;
 		short scroll_y;
 		u8 size;
+		u8 down;
 	} touches[16];
 	int tracking_ids[16];
 };
@@ -141,7 +160,7 @@ static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
 	input_report_key(msc->input, BTN_RIGHT, state & 2);
 
 	if (state != last_state)
-		msc->scroll_accel = 0;
+		msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
 }
 
 static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata)
@@ -152,6 +171,7 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
 	int id = (misc >> 6) & 15;
 	int x = x_y << 12 >> 20;
 	int y = -(x_y >> 20);
+	int down = (tdata[7] & TOUCH_STATE_MASK) != TOUCH_STATE_NONE;
 
 	/* Store tracking ID and other fields. */
 	msc->tracking_ids[raw_id] = id;
@@ -160,42 +180,54 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
 	msc->touches[id].size = misc & 63;
 
 	/* If requested, emulate a scroll wheel by detecting small
-	 * vertical touch motions along the middle of the mouse.
+	 * vertical touch motions.
 	 */
-	if (emulate_scroll_wheel &&
-	    middle_button_start < x && x < middle_button_stop) {
-		static const int accel_profile[] = {
-			256, 228, 192, 160, 128, 96, 64, 32,
-		};
+	if (emulate_scroll_wheel) {
 		unsigned long now = jiffies;
-		int step = msc->touches[id].scroll_y - y;
-
-		/* Reset acceleration after half a second. */
-		if (time_after(now, msc->scroll_jiffies + HZ / 2))
-			msc->scroll_accel = 0;
+		int step_x = msc->touches[id].scroll_x - x;
+		int step_y = msc->touches[id].scroll_y - y;
 
 		/* Calculate and apply the scroll motion. */
 		switch (tdata[7] & TOUCH_STATE_MASK) {
 		case TOUCH_STATE_START:
+			msc->touches[id].scroll_x = x;
 			msc->touches[id].scroll_y = y;
-			msc->scroll_accel = min_t(int, msc->scroll_accel + 1,
-						ARRAY_SIZE(accel_profile) - 1);
+
+			/* Reset acceleration after half a second. */
+			if (scroll_acceleration && time_before(now,
+						msc->scroll_jiffies + HZ / 2))
+				msc->scroll_accel = max_t(int,
+						msc->scroll_accel - 1, 1);
+			else
+				msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
+
 			break;
 		case TOUCH_STATE_DRAG:
-			step = step / accel_profile[msc->scroll_accel];
-			if (step != 0) {
-				msc->touches[id].scroll_y = y;
+			step_x /= (64 - (int)scroll_speed) * msc->scroll_accel;
+			if (step_x != 0) {
+				msc->touches[id].scroll_x -= step_x *
+					(64 - scroll_speed) * msc->scroll_accel;
 				msc->scroll_jiffies = now;
-				input_report_rel(input, REL_WHEEL, step);
+				input_report_rel(input, REL_HWHEEL, -step_x);
+			}
+
+			step_y /= (64 - (int)scroll_speed) * msc->scroll_accel;
+			if (step_y != 0) {
+				msc->touches[id].scroll_y -= step_y *
+					(64 - scroll_speed) * msc->scroll_accel;
+				msc->scroll_jiffies = now;
+				input_report_rel(input, REL_WHEEL, step_y);
 			}
 			break;
 		}
 	}
 
 	/* Generate the input events for this touch. */
-	if (report_touches) {
+	if (report_touches && down) {
 		int orientation = (misc >> 10) - 32;
 
+		msc->touches[id].down = 1;
+
 		input_report_abs(input, ABS_MT_TRACKING_ID, id);
 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, tdata[3]);
 		input_report_abs(input, ABS_MT_TOUCH_MINOR, tdata[4]);
@@ -215,7 +247,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
 {
 	struct magicmouse_sc *msc = hid_get_drvdata(hdev);
 	struct input_dev *input = msc->input;
-	int x, y, ts, ii, clicks;
+	int x, y, ts, ii, clicks, last_up;
 
 	switch (data[0]) {
 	case 0x10:
@@ -235,12 +267,26 @@ static int magicmouse_raw_event(struct hid_device *hdev,
 		msc->ntouches = (size - 6) / 8;
 		for (ii = 0; ii < msc->ntouches; ii++)
 			magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
+
+		if (report_touches) {
+			last_up = 1;
+			for (ii = 0; ii < ARRAY_SIZE(msc->touches); ii++) {
+				if (msc->touches[ii].down) {
+					last_up = 0;
+					msc->touches[ii].down = 0;
+				}
+			}
+			if (last_up) {
+				input_mt_sync(input);
+			}
+		}
+
 		/* When emulating three-button mode, it is important
 		 * to have the current touch information before
 		 * generating a click event.
 		 */
-		x = (signed char)data[1];
-		y = (signed char)data[2];
+		x = (int)(((data[3] & 0x0c) << 28) | (data[1] << 22)) >> 22;
+		y = (int)(((data[3] & 0x30) << 26) | (data[2] << 22)) >> 22;
 		clicks = data[3];
 		break;
 	case 0x20: /* Theoretically battery status (0-100), but I have
@@ -301,8 +347,10 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
 	__set_bit(EV_REL, input->evbit);
 	__set_bit(REL_X, input->relbit);
 	__set_bit(REL_Y, input->relbit);
-	if (emulate_scroll_wheel)
+	if (emulate_scroll_wheel) {
 		__set_bit(REL_WHEEL, input->relbit);
+		__set_bit(REL_HWHEEL, input->relbit);
+	}
 
 	if (report_touches) {
 		__set_bit(EV_ABS, input->evbit);
@@ -345,6 +393,8 @@ static int magicmouse_probe(struct hid_device *hdev,
 		return -ENOMEM;
 	}
 
+	msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
+
 	msc->quirks = id->driver_data;
 	hid_set_drvdata(hdev, msc);
 

drivers/hid/hid-picolcd.c

@@ -127,6 +127,26 @@ static const struct fb_var_screeninfo picolcdfb_var = {
 	.height         = 26,
 	.bits_per_pixel = 1,
 	.grayscale      = 1,
+	.red            = {
+		.offset = 0,
+		.length = 1,
+		.msb_right = 0,
+	},
+	.green          = {
+		.offset = 0,
+		.length = 1,
+		.msb_right = 0,
+	},
+	.blue           = {
+		.offset = 0,
+		.length = 1,
+		.msb_right = 0,
+	},
+	.transp         = {
+		.offset = 0,
+		.length = 0,
+		.msb_right = 0,
+	},
 };
 #endif /* CONFIG_HID_PICOLCD_FB */
 
@@ -188,6 +208,7 @@ struct picolcd_data {
 	/* Framebuffer stuff */
 	u8 fb_update_rate;
 	u8 fb_bpp;
+	u8 fb_force;
 	u8 *fb_vbitmap;		/* local copy of what was sent to PicoLCD */
 	u8 *fb_bitmap;		/* framebuffer */
 	struct fb_info *fb_info;
@@ -346,7 +367,7 @@ static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp,
 			const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32;
 			for (i = 0; i < 64; i++) {
 				tdata[i] <<= 1;
-				tdata[i] |= (bdata[i/8] >> (7 - i % 8)) & 0x01;
+				tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01;
 			}
 		}
 	} else if (bpp == 8) {
@@ -399,13 +420,10 @@ static int picolcd_fb_reset(struct picolcd_data *data, int clear)
 
 	if (data->fb_bitmap) {
 		if (clear) {
-			memset(data->fb_vbitmap, 0xff, PICOLCDFB_SIZE);
+			memset(data->fb_vbitmap, 0, PICOLCDFB_SIZE);
 			memset(data->fb_bitmap, 0, PICOLCDFB_SIZE*data->fb_bpp);
-		} else {
-			/* invert 1 byte in each tile to force resend */
-			for (i = 0; i < PICOLCDFB_SIZE; i += 64)
-				data->fb_vbitmap[i] = ~data->fb_vbitmap[i];
 		}
+		data->fb_force = 1;
 	}
 
 	/* schedule first output of framebuffer */
@@ -421,6 +439,9 @@ static void picolcd_fb_update(struct picolcd_data *data)
 	int chip, tile, n;
 	unsigned long flags;
 
+	if (!data)
+		return;
+
 	spin_lock_irqsave(&data->lock, flags);
 	if (!(data->status & PICOLCD_READY_FB)) {
 		spin_unlock_irqrestore(&data->lock, flags);
@@ -440,14 +461,18 @@ static void picolcd_fb_update(struct picolcd_data *data)
 	for (chip = 0; chip < 4; chip++)
 		for (tile = 0; tile < 8; tile++)
 			if (picolcd_fb_update_tile(data->fb_vbitmap,
-					data->fb_bitmap, data->fb_bpp, chip, tile)) {
+					data->fb_bitmap, data->fb_bpp, chip, tile) ||
+				data->fb_force) {
 				n += 2;
+				if (!data->fb_info->par)
+					return; /* device lost! */
 				if (n >= HID_OUTPUT_FIFO_SIZE / 2) {
 					usbhid_wait_io(data->hdev);
 					n = 0;
 				}
 				picolcd_fb_send_tile(data->hdev, chip, tile);
 			}
+	data->fb_force = false;
 	if (n)
 		usbhid_wait_io(data->hdev);
 }
@@ -511,11 +536,23 @@ static int picolcd_fb_blank(int blank, struct fb_info *info)
 static void picolcd_fb_destroy(struct fb_info *info)
 {
 	struct picolcd_data *data = info->par;
+	u32 *ref_cnt = info->pseudo_palette;
+	int may_release;
+
 	info->par = NULL;
 	if (data)
 		data->fb_info = NULL;
 	fb_deferred_io_cleanup(info);
-	framebuffer_release(info);
+
+	ref_cnt--;
+	mutex_lock(&info->lock);
+	(*ref_cnt)--;
+	may_release = !ref_cnt;
+	mutex_unlock(&info->lock);
+	if (may_release) {
+		framebuffer_release(info);
+		vfree((u8 *)info->fix.smem_start);
+	}
 }
 
 static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
@@ -526,29 +563,37 @@ static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *i
 	/* only allow 1/8 bit depth (8-bit is grayscale) */
 	*var = picolcdfb_var;
 	var->activate = activate;
-	if (bpp >= 8)
+	if (bpp >= 8) {
 		var->bits_per_pixel = 8;
-	else
+		var->red.length     = 8;
+		var->green.length   = 8;
+		var->blue.length    = 8;
+	} else {
 		var->bits_per_pixel = 1;
+		var->red.length     = 1;
+		var->green.length   = 1;
+		var->blue.length    = 1;
+	}
 	return 0;
 }
 
 static int picolcd_set_par(struct fb_info *info)
 {
 	struct picolcd_data *data = info->par;
-	u8 *o_fb, *n_fb;
+	u8 *tmp_fb, *o_fb;
+	if (!data)
+		return -ENODEV;
 	if (info->var.bits_per_pixel == data->fb_bpp)
 		return 0;
 	/* switch between 1/8 bit depths */
 	if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8)
 		return -EINVAL;
 
-	o_fb = data->fb_bitmap;
-	n_fb = vmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel);
-	if (!n_fb)
+	o_fb   = data->fb_bitmap;
+	tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL);
+	if (!tmp_fb)
 		return -ENOMEM;
 
-	fb_deferred_io_cleanup(info);
 	/* translate FB content to new bits-per-pixel */
 	if (info->var.bits_per_pixel == 1) {
 		int i, b;
@@ -558,24 +603,87 @@ static int picolcd_set_par(struct fb_info *info)
 				p <<= 1;
 				p |= o_fb[i*8+b] ? 0x01 : 0x00;
 			}
+			tmp_fb[i] = p;
 		}
+		memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE);
 		info->fix.visual = FB_VISUAL_MONO01;
 		info->fix.line_length = PICOLCDFB_WIDTH / 8;
 	} else {
 		int i;
+		memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE);
 		for (i = 0; i < PICOLCDFB_SIZE * 8; i++)
-			n_fb[i] = o_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00;
-		info->fix.visual = FB_VISUAL_TRUECOLOR;
+			o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00;
+		info->fix.visual = FB_VISUAL_DIRECTCOLOR;
 		info->fix.line_length = PICOLCDFB_WIDTH;
 	}
 
-	data->fb_bitmap   = n_fb;
+	kfree(tmp_fb);
 	data->fb_bpp      = info->var.bits_per_pixel;
-	info->screen_base = (char __force __iomem *)n_fb;
-	info->fix.smem_start = (unsigned long)n_fb;
-	info->fix.smem_len   = PICOLCDFB_SIZE*data->fb_bpp;
-	fb_deferred_io_init(info);
-	vfree(o_fb);
+	return 0;
+}
+
+/* Do refcounting on our FB and cleanup per worker if FB is
+ * closed after unplug of our device
+ * (fb_release holds info->lock and still touches info after
+ *  we return so we can't release it immediately.
+ */
+struct picolcd_fb_cleanup_item {
+	struct fb_info *info;
+	struct picolcd_fb_cleanup_item *next;
+};
+static struct picolcd_fb_cleanup_item *fb_pending;
+DEFINE_SPINLOCK(fb_pending_lock);
+
+static void picolcd_fb_do_cleanup(struct work_struct *data)
+{
+	struct picolcd_fb_cleanup_item *item;
+	unsigned long flags;
+
+	do {
+		spin_lock_irqsave(&fb_pending_lock, flags);
+		item = fb_pending;
+		fb_pending = item ? item->next : NULL;
+		spin_unlock_irqrestore(&fb_pending_lock, flags);
+
+		if (item) {
+			u8 *fb = (u8 *)item->info->fix.smem_start;
+			/* make sure we do not race against fb core when
+			 * releasing */
+			mutex_lock(&item->info->lock);
+			mutex_unlock(&item->info->lock);
+			framebuffer_release(item->info);
+			vfree(fb);
+		}
+	} while (item);
+}
+
+DECLARE_WORK(picolcd_fb_cleanup, picolcd_fb_do_cleanup);
+
+static int picolcd_fb_open(struct fb_info *info, int u)
+{
+	u32 *ref_cnt = info->pseudo_palette;
+	ref_cnt--;
+
+	(*ref_cnt)++;
+	return 0;
+}
+
+static int picolcd_fb_release(struct fb_info *info, int u)
+{
+	u32 *ref_cnt = info->pseudo_palette;
+	ref_cnt--;
+
+	(*ref_cnt)++;
+	if (!*ref_cnt) {
+		unsigned long flags;
+		struct picolcd_fb_cleanup_item *item = (struct picolcd_fb_cleanup_item *)ref_cnt;
+		item--;
+		spin_lock_irqsave(&fb_pending_lock, flags);
+		item->next = fb_pending;
+		fb_pending = item;
+		spin_unlock_irqrestore(&fb_pending_lock, flags);
+		schedule_work(&picolcd_fb_cleanup);
+	}
 	return 0;
 }
 
@@ -583,6 +691,8 @@ static int picolcd_set_par(struct fb_info *info)
 static struct fb_ops picolcdfb_ops = {
 	.owner        = THIS_MODULE,
 	.fb_destroy   = picolcd_fb_destroy,
+	.fb_open      = picolcd_fb_open,
+	.fb_release   = picolcd_fb_release,
 	.fb_read      = fb_sys_read,
 	.fb_write     = picolcd_fb_write,
 	.fb_blank     = picolcd_fb_blank,
@@ -660,11 +770,12 @@ static int picolcd_init_framebuffer(struct picolcd_data *data)
 {
 	struct device *dev = &data->hdev->dev;
 	struct fb_info *info = NULL;
-	int error = -ENOMEM;
+	int i, error = -ENOMEM;
 	u8 *fb_vbitmap = NULL;
 	u8 *fb_bitmap  = NULL;
+	u32 *palette;
 
-	fb_bitmap = vmalloc(PICOLCDFB_SIZE*picolcdfb_var.bits_per_pixel);
+	fb_bitmap = vmalloc(PICOLCDFB_SIZE*8);
 	if (fb_bitmap == NULL) {
 		dev_err(dev, "can't get a free page for framebuffer\n");
 		goto err_nomem;
@@ -678,18 +789,29 @@ static int picolcd_init_framebuffer(struct picolcd_data *data)
 
 	data->fb_update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT;
 	data->fb_defio = picolcd_fb_defio;
-	info = framebuffer_alloc(0, dev);
+	/* The extra memory is:
+	 * - struct picolcd_fb_cleanup_item
+	 * - u32 for ref_count
+	 * - 256*u32 for pseudo_palette
+	 */
+	info = framebuffer_alloc(257 * sizeof(u32) + sizeof(struct picolcd_fb_cleanup_item), dev);
 	if (info == NULL) {
 		dev_err(dev, "failed to allocate a framebuffer\n");
 		goto err_nomem;
 	}
 
+	palette  = info->par + sizeof(struct picolcd_fb_cleanup_item);
+	*palette = 1;
+	palette++;
+	for (i = 0; i < 256; i++)
+		palette[i] = i > 0 && i < 16 ? 0xff : 0;
+	info->pseudo_palette = palette;
 	info->fbdefio = &data->fb_defio;
 	info->screen_base = (char __force __iomem *)fb_bitmap;
 	info->fbops = &picolcdfb_ops;
 	info->var = picolcdfb_var;
 	info->fix = picolcdfb_fix;
-	info->fix.smem_len   = PICOLCDFB_SIZE;
+	info->fix.smem_len   = PICOLCDFB_SIZE*8;
 	info->fix.smem_start = (unsigned long)fb_bitmap;
 	info->par = data;
 	info->flags = FBINFO_FLAG_DEFAULT;
@@ -707,18 +829,20 @@ static int picolcd_init_framebuffer(struct picolcd_data *data)
 		dev_err(dev, "failed to create sysfs attributes\n");
 		goto err_cleanup;
 	}
+	fb_deferred_io_init(info);
 	data->fb_info    = info;
 	error = register_framebuffer(info);
 	if (error) {
 		dev_err(dev, "failed to register framebuffer\n");
 		goto err_sysfs;
 	}
-	fb_deferred_io_init(info);
 	/* schedule first output of framebuffer */
+	data->fb_force = 1;
 	schedule_delayed_work(&info->deferred_work, 0);
 	return 0;
 
 err_sysfs:
+	fb_deferred_io_cleanup(info);
 	device_remove_file(dev, &dev_attr_fb_update_rate);
 err_cleanup:
 	data->fb_vbitmap = NULL;
@@ -737,19 +861,17 @@ static void picolcd_exit_framebuffer(struct picolcd_data *data)
 {
 	struct fb_info *info = data->fb_info;
 	u8 *fb_vbitmap = data->fb_vbitmap;
-	u8 *fb_bitmap  = data->fb_bitmap;
 
 	if (!info)
 		return;
 
+	info->par = NULL;
+	device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate);
+	unregister_framebuffer(info);
 	data->fb_vbitmap = NULL;
 	data->fb_bitmap  = NULL;
 	data->fb_bpp     = 0;
 	data->fb_info    = NULL;
-	device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate);
-	fb_deferred_io_cleanup(info);
-	unregister_framebuffer(info);
-	vfree(fb_bitmap);
 	kfree(fb_vbitmap);
 }
 
@@ -2566,6 +2688,13 @@ static void picolcd_remove(struct hid_device *hdev)
 	spin_lock_irqsave(&data->lock, flags);
 	data->status |= PICOLCD_FAILED;
 	spin_unlock_irqrestore(&data->lock, flags);
+#ifdef CONFIG_HID_PICOLCD_FB
+	/* short-circuit FB as early as possible in order to
+	 * avoid long delays if we host console.
+	 */
+	if (data->fb_info)
+		data->fb_info->par = NULL;
+#endif
 
 	picolcd_exit_devfs(data);
 	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
@@ -2623,6 +2752,10 @@ static int __init picolcd_init(void)
 static void __exit picolcd_exit(void)
 {
 	hid_unregister_driver(&picolcd_driver);
+#ifdef CONFIG_HID_PICOLCD_FB
+	flush_scheduled_work();
+	WARN_ON(fb_pending);
+#endif
 }
 
 module_init(picolcd_init);

drivers/hid/hid-roccat-kone.c

@@ -22,11 +22,6 @@
  *      Is it possible to remove and reinstall the urb in raw-event- or any
  *      other handler, or to defer this action to be executed somewhere else?
  *
- * TODO implement notification mechanism for overlong macro execution
- *      If user wants to execute an overlong macro only the names of macroset
- *      and macro are given. Should userland tap hidraw or is there an
- *      additional streaming mechanism?
- *
  * TODO is it possible to overwrite group for sysfs attributes via udev?
  */
 
@@ -277,7 +272,7 @@ static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
 		count = sizeof(struct kone_settings) - off;
 
 	mutex_lock(&kone->kone_lock);
-	memcpy(buf, &kone->settings + off, count);
+	memcpy(buf, ((char const *)&kone->settings) + off, count);
 	mutex_unlock(&kone->kone_lock);
 
 	return count;
@@ -337,7 +332,7 @@ static ssize_t kone_sysfs_read_profilex(struct kobject *kobj,
 		count = sizeof(struct kone_profile) - off;
 
 	mutex_lock(&kone->kone_lock);
-	memcpy(buf, &kone->profiles[number - 1], sizeof(struct kone_profile));
+	memcpy(buf, ((char const *)&kone->profiles[number - 1]) + off, count);
 	mutex_unlock(&kone->kone_lock);
 
 	return count;
@@ -622,18 +617,6 @@ static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
 	return size;
 }
 
-/*
- * This file is used by userland software to find devices that are handled by
- * this driver. This provides a consistent way for actual and older kernels
- * where this driver replaced usbhid instead of generic-usb.
- * Driver capabilities are determined by version number.
- */
-static ssize_t kone_sysfs_show_driver_version(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, ROCCAT_KONE_DRIVER_VERSION "\n");
-}
-
 /*
  * Read actual dpi settings.
  * Returns raw value for further processing. Refer to enum kone_polling_rates to
@@ -671,9 +654,6 @@ static DEVICE_ATTR(startup_profile, 0660,
 		kone_sysfs_show_startup_profile,
 		kone_sysfs_set_startup_profile);
 
-static DEVICE_ATTR(kone_driver_version, 0440,
-		kone_sysfs_show_driver_version, NULL);
-
 static struct attribute *kone_attributes[] = {
 		&dev_attr_actual_dpi.attr,
 		&dev_attr_actual_profile.attr,
@@ -681,7 +661,6 @@ static struct attribute *kone_attributes[] = {
 		&dev_attr_firmware_version.attr,
 		&dev_attr_tcu.attr,
 		&dev_attr_startup_profile.attr,
-		&dev_attr_kone_driver_version.attr,
 		NULL
 };
 

drivers/hid/hid-roccat-kone.h

@@ -14,8 +14,6 @@
 
 #include <linux/types.h>
 
-#define ROCCAT_KONE_DRIVER_VERSION "v0.3.1"
-
 #pragma pack(push)
 #pragma pack(1)
 

drivers/hid/hid-roccat.c

@@ -168,7 +168,7 @@ static int roccat_open(struct inode *inode, struct file *file)
 		printk(KERN_EMERG "roccat device with minor %d doesn't exist\n",
 				minor);
 		error = -ENODEV;
-		goto exit_unlock;
+		goto exit_err;
 	}
 
 	if (!device->open++) {
@@ -178,7 +178,7 @@ static int roccat_open(struct inode *inode, struct file *file)
 					PM_HINT_FULLON);
 			if (error < 0) {
 				--device->open;
-				goto exit_unlock;
+				goto exit_err;
 			}
 		}
 		error = device->hid->ll_driver->open(device->hid);
@@ -187,7 +187,7 @@ static int roccat_open(struct inode *inode, struct file *file)
 				device->hid->ll_driver->power(device->hid,
 						PM_HINT_NORMAL);
 			--device->open;
-			goto exit_unlock;
+			goto exit_err;
 		}
 	}
 
@@ -202,6 +202,9 @@ exit_unlock:
 	mutex_unlock(&device->readers_lock);
 	mutex_unlock(&devices_lock);
 	return error;
+exit_err:
+	kfree(reader);
+	goto exit_unlock;
 }
 
 static int roccat_release(struct inode *inode, struct file *file)

drivers/hid/hid-roccat.h

@@ -15,7 +15,7 @@
 #include <linux/hid.h>
 #include <linux/types.h>
 
-#if defined(CONFIG_HID_ROCCAT) || defined (CONFIG_HID_ROCCAT_MODULE)
+#if defined(CONFIG_HID_ROCCAT) || defined(CONFIG_HID_ROCCAT_MODULE)
 int roccat_connect(struct hid_device *hid);
 void roccat_disconnect(int minor);
 int roccat_report_event(int minor, u8 const *data, int len);

drivers/hid/hid-topseed.c

@@ -6,6 +6,9 @@
  *
  *  Modified to also support BTC "Emprex 3009URF III Vista MCE Remote" by
  *  Wayne Thomas 2010.
+ *
+ *  Modified to support Conceptronic CLLRCMCE by
+ *  Kees Bakker 2010.
  */
 
 /*
@@ -34,6 +37,7 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	case 0x00d: ts_map_key_clear(KEY_MEDIA);	break;
 	case 0x024: ts_map_key_clear(KEY_MENU);		break;
 	case 0x025: ts_map_key_clear(KEY_TV);		break;
+	case 0x027: ts_map_key_clear(KEY_MODE);		break;
 	case 0x031: ts_map_key_clear(KEY_AUDIO);	break;
 	case 0x032: ts_map_key_clear(KEY_TEXT);		break;
 	case 0x033: ts_map_key_clear(KEY_CHANNEL);	break;
@@ -60,6 +64,7 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static const struct hid_device_id ts_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, ts_devices);

drivers/hid/hid-wacom.c

@@ -436,7 +436,7 @@ static void wacom_remove(struct hid_device *hdev)
 
 static const struct hid_device_id wacom_devices[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
-	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
+
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, wacom_devices);

drivers/hid/hidraw.c

@@ -46,7 +46,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
 {
 	struct hidraw_list *list = file->private_data;
 	int ret = 0, len;
-	char *report;
 	DECLARE_WAITQUEUE(wait, current);
 
 	mutex_lock(&list->read_mutex);
@@ -84,7 +83,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
 		if (ret)
 			goto out;
 
-		report = list->buffer[list->tail].value;
 		len = list->buffer[list->tail].len > count ?
 			count : list->buffer[list->tail].len;
 

drivers/hid/usbhid/hid-quirks.c

@@ -75,6 +75,8 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 
+	{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },
+
 	{ 0, 0 }
 };
 

drivers/hid/usbhid/hiddev.c

@@ -67,7 +67,7 @@ struct hiddev_list {
 	struct mutex thread_lock;
 };
 
-static struct hiddev *hiddev_table[HIDDEV_MINORS];
+static struct usb_driver hiddev_driver;
 
 /*
  * Find a report, given the report's type and ID.  The ID can be specified
@@ -265,22 +265,19 @@ static int hiddev_release(struct inode * inode, struct file * file)
 static int hiddev_open(struct inode *inode, struct file *file)
 {
 	struct hiddev_list *list;
-	int res, i;
-
-	/* See comment in hiddev_connect() for BKL explanation */
-	lock_kernel();
-	i = iminor(inode) - HIDDEV_MINOR_BASE;
+	struct usb_interface *intf;
+	struct hiddev *hiddev;
+	int res;
 
-	if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i])
+	intf = usb_find_interface(&hiddev_driver, iminor(inode));
+	if (!intf)
 		return -ENODEV;
+	hiddev = usb_get_intfdata(intf);
 
 	if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL)))
 		return -ENOMEM;
 	mutex_init(&list->thread_lock);
-
-	list->hiddev = hiddev_table[i];
-
-
+	list->hiddev = hiddev;
 	file->private_data = list;
 
 	/*
@@ -289,7 +286,7 @@ static int hiddev_open(struct inode *inode, struct file *file)
 	 */
 	if (list->hiddev->exist) {
 		if (!list->hiddev->open++) {
-			res = usbhid_open(hiddev_table[i]->hid);
+			res = usbhid_open(hiddev->hid);
 			if (res < 0) {
 				res = -EIO;
 				goto bail;
@@ -301,12 +298,12 @@ static int hiddev_open(struct inode *inode, struct file *file)
 	}
 
 	spin_lock_irq(&list->hiddev->list_lock);
-	list_add_tail(&list->node, &hiddev_table[i]->list);
+	list_add_tail(&list->node, &hiddev->list);
 	spin_unlock_irq(&list->hiddev->list_lock);
 
 	if (!list->hiddev->open++)
 		if (list->hiddev->exist) {
-			struct hid_device *hid = hiddev_table[i]->hid;
+			struct hid_device *hid = hiddev->hid;
 			res = usbhid_get_power(hid);
 			if (res < 0) {
 				res = -EIO;
@@ -314,13 +311,10 @@ static int hiddev_open(struct inode *inode, struct file *file)
 			}
 			usbhid_open(hid);
 		}
-
-	unlock_kernel();
 	return 0;
 bail:
 	file->private_data = NULL;
 	kfree(list);
-	unlock_kernel();
 	return res;
 }
 
@@ -894,37 +888,14 @@ int hiddev_connect(struct hid_device *hid, unsigned int force)
 	hid->hiddev = hiddev;
 	hiddev->hid = hid;
 	hiddev->exist = 1;
-
-	/*
-	 * BKL here is used to avoid race after usb_register_dev().
-	 * Once the device node has been created, open() could happen on it.
-	 * The code below will then fail, as hiddev_table hasn't been
-	 * updated.
-	 *
-	 * The obvious fix -- introducing mutex to guard hiddev_table[]
-	 * doesn't work, as usb_open() and usb_register_dev() both take
-	 * minor_rwsem, thus we'll have ABBA deadlock.
-	 *
-	 * Before BKL pushdown, usb_open() had been acquiring it in right
-	 * order, so _open() was safe to use it to protect from this race.
-	 * Now the order is different, but AB-BA deadlock still doesn't occur
-	 * as BKL is dropped on schedule() (i.e. while sleeping on
-	 * minor_rwsem). Fugly.
-	 */
-	lock_kernel();
+	usb_set_intfdata(usbhid->intf, usbhid);
 	retval = usb_register_dev(usbhid->intf, &hiddev_class);
 	if (retval) {
 		err_hid("Not able to get a minor for this device.");
 		hid->hiddev = NULL;
-		unlock_kernel();
 		kfree(hiddev);
 		return -1;
-	} else {
-		hid->minor = usbhid->intf->minor;
-		hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
 	}
-	unlock_kernel();
-
 	return 0;
 }
 
@@ -942,7 +913,6 @@ void hiddev_disconnect(struct hid_device *hid)
 	hiddev->exist = 0;
 	mutex_unlock(&hiddev->existancelock);
 
-	hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL;
 	usb_deregister_dev(usbhid->intf, &hiddev_class);
 
 	if (hiddev->open) {

include/linux/hid.h

@@ -311,6 +311,7 @@ struct hid_item {
 #define HID_QUIRK_HIDDEV_FORCE			0x00000010
 #define HID_QUIRK_BADPAD			0x00000020
 #define HID_QUIRK_MULTI_INPUT			0x00000040
+#define HID_QUIRK_HIDINPUT_FORCE		0x00000080
 #define HID_QUIRK_SKIP_OUTPUT_REPORTS		0x00010000
 #define HID_QUIRK_FULLSPEED_INTERVAL		0x10000000
 #define HID_QUIRK_NO_INIT_REPORTS		0x20000000