403 lines
18 KiB
C
403 lines
18 KiB
C
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/*
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* USB HID quirks support for Linux
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2007 Paul Walmsley
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/hid.h>
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#include <linux/export.h>
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#include <linux/slab.h>
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#include "../hid-ids.h"
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/*
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* Alphabetically sorted blacklist by quirk type.
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*/
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static const struct hid_blacklist {
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__u16 idVendor;
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__u16 idProduct;
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__u32 quirks;
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} hid_blacklist[] = {
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{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_NEXTWINDOW, USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN, HID_QUIRK_MULTI_INPUT},
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{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
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{ USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },
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{ USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH_2968, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
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{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_AKAI, USB_DEVICE_ID_AKAI_MPKMINI2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_AKAI_09E8, USB_DEVICE_ID_AKAI_09E8_MIDIMIX, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_AMI, USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS682, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS692, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS1758, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_THROTTLE, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70R, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_M65RGB, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K95RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_STRAFE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_FUTABA, USB_DEVICE_ID_LED_DISPLAY, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0A4A, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6680, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C007, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KEYBOARD_G710_PLUS, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C01A, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1610, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1640, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_MOUSE_4D22, HID_QUIRK_ALWAYS_POLL },
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{ USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3003, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_REALTEK, USB_DEVICE_ID_REALTEK_READER, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS9200_TOUCH, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS817_TOUCH, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS_TS, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS1030_TOUCH, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8883, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
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{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },
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{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912, HID_QUIRK_MULTI_INPUT },
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{ USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS1, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_HD, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD_A096, HID_QUIRK_NO_INIT_REPORTS },
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{ USB_VENDOR_ID_MULTIPLE_1781, USB_DEVICE_ID_RAPHNET_4NES4SNES_OLD, HID_QUIRK_MULTI_INPUT },
|
||
|
|
{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_2NES2SNES, HID_QUIRK_MULTI_INPUT },
|
||
|
|
{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_4NES4SNES, HID_QUIRK_MULTI_INPUT },
|
||
|
|
{ USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI, HID_QUIRK_MULTI_INPUT },
|
||
|
|
{ USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK, HID_QUIRK_MULTI_INPUT },
|
||
|
|
|
||
|
|
{ 0, 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Dynamic HID quirks list - specified at runtime */
|
||
|
|
struct quirks_list_struct {
|
||
|
|
struct hid_blacklist hid_bl_item;
|
||
|
|
struct list_head node;
|
||
|
|
};
|
||
|
|
|
||
|
|
static LIST_HEAD(dquirks_list);
|
||
|
|
static DECLARE_RWSEM(dquirks_rwsem);
|
||
|
|
|
||
|
|
/* Runtime ("dynamic") quirks manipulation functions */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
|
||
|
|
* @idVendor: the 16-bit USB vendor ID, in native byteorder
|
||
|
|
* @idProduct: the 16-bit USB product ID, in native byteorder
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Scans dquirks_list for a matching dynamic quirk and returns
|
||
|
|
* the pointer to the relevant struct hid_blacklist if found.
|
||
|
|
* Must be called with a read lock held on dquirks_rwsem.
|
||
|
|
*
|
||
|
|
* Returns: NULL if no quirk found, struct hid_blacklist * if found.
|
||
|
|
*/
|
||
|
|
static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
|
||
|
|
const u16 idProduct)
|
||
|
|
{
|
||
|
|
struct quirks_list_struct *q;
|
||
|
|
struct hid_blacklist *bl_entry = NULL;
|
||
|
|
|
||
|
|
list_for_each_entry(q, &dquirks_list, node) {
|
||
|
|
if (q->hid_bl_item.idVendor == idVendor &&
|
||
|
|
q->hid_bl_item.idProduct == idProduct) {
|
||
|
|
bl_entry = &q->hid_bl_item;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bl_entry != NULL)
|
||
|
|
dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
|
||
|
|
bl_entry->quirks, bl_entry->idVendor,
|
||
|
|
bl_entry->idProduct);
|
||
|
|
|
||
|
|
return bl_entry;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_modify_dquirk: add/replace a HID quirk
|
||
|
|
* @idVendor: the 16-bit USB vendor ID, in native byteorder
|
||
|
|
* @idProduct: the 16-bit USB product ID, in native byteorder
|
||
|
|
* @quirks: the u32 quirks value to add/replace
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* If an dynamic quirk exists in memory for this (idVendor,
|
||
|
|
* idProduct) pair, replace its quirks value with what was
|
||
|
|
* provided. Otherwise, add the quirk to the dynamic quirks list.
|
||
|
|
*
|
||
|
|
* Returns: 0 OK, -error on failure.
|
||
|
|
*/
|
||
|
|
static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
|
||
|
|
const u32 quirks)
|
||
|
|
{
|
||
|
|
struct quirks_list_struct *q_new, *q;
|
||
|
|
int list_edited = 0;
|
||
|
|
|
||
|
|
if (!idVendor) {
|
||
|
|
dbg_hid("Cannot add a quirk with idVendor = 0\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
|
||
|
|
if (!q_new)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
q_new->hid_bl_item.idVendor = idVendor;
|
||
|
|
q_new->hid_bl_item.idProduct = idProduct;
|
||
|
|
q_new->hid_bl_item.quirks = quirks;
|
||
|
|
|
||
|
|
down_write(&dquirks_rwsem);
|
||
|
|
|
||
|
|
list_for_each_entry(q, &dquirks_list, node) {
|
||
|
|
|
||
|
|
if (q->hid_bl_item.idVendor == idVendor &&
|
||
|
|
q->hid_bl_item.idProduct == idProduct) {
|
||
|
|
|
||
|
|
list_replace(&q->node, &q_new->node);
|
||
|
|
kfree(q);
|
||
|
|
list_edited = 1;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!list_edited)
|
||
|
|
list_add_tail(&q_new->node, &dquirks_list);
|
||
|
|
|
||
|
|
up_write(&dquirks_rwsem);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Free all memory associated with dynamic quirks - called before
|
||
|
|
* module unload.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static void usbhid_remove_all_dquirks(void)
|
||
|
|
{
|
||
|
|
struct quirks_list_struct *q, *temp;
|
||
|
|
|
||
|
|
down_write(&dquirks_rwsem);
|
||
|
|
list_for_each_entry_safe(q, temp, &dquirks_list, node) {
|
||
|
|
list_del(&q->node);
|
||
|
|
kfree(q);
|
||
|
|
}
|
||
|
|
up_write(&dquirks_rwsem);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_quirks_init: apply USB HID quirks specified at module load time
|
||
|
|
*/
|
||
|
|
int usbhid_quirks_init(char **quirks_param)
|
||
|
|
{
|
||
|
|
u16 idVendor, idProduct;
|
||
|
|
u32 quirks;
|
||
|
|
int n = 0, m;
|
||
|
|
|
||
|
|
for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {
|
||
|
|
|
||
|
|
m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
|
||
|
|
&idVendor, &idProduct, &quirks);
|
||
|
|
|
||
|
|
if (m != 3 ||
|
||
|
|
usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
|
||
|
|
pr_warn("Could not parse HID quirk module param %s\n",
|
||
|
|
quirks_param[n]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_quirks_exit: release memory associated with dynamic_quirks
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Release all memory associated with dynamic quirks. Called upon
|
||
|
|
* module unload.
|
||
|
|
*
|
||
|
|
* Returns: nothing
|
||
|
|
*/
|
||
|
|
void usbhid_quirks_exit(void)
|
||
|
|
{
|
||
|
|
usbhid_remove_all_dquirks();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_exists_squirk: return any static quirks for a USB HID device
|
||
|
|
* @idVendor: the 16-bit USB vendor ID, in native byteorder
|
||
|
|
* @idProduct: the 16-bit USB product ID, in native byteorder
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Given a USB vendor ID and product ID, return a pointer to
|
||
|
|
* the hid_blacklist entry associated with that device.
|
||
|
|
*
|
||
|
|
* Returns: pointer if quirk found, or NULL if no quirks found.
|
||
|
|
*/
|
||
|
|
static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
|
||
|
|
const u16 idProduct)
|
||
|
|
{
|
||
|
|
const struct hid_blacklist *bl_entry = NULL;
|
||
|
|
int n = 0;
|
||
|
|
|
||
|
|
for (; hid_blacklist[n].idVendor; n++)
|
||
|
|
if (hid_blacklist[n].idVendor == idVendor &&
|
||
|
|
(hid_blacklist[n].idProduct == (__u16) HID_ANY_ID ||
|
||
|
|
hid_blacklist[n].idProduct == idProduct))
|
||
|
|
bl_entry = &hid_blacklist[n];
|
||
|
|
|
||
|
|
if (bl_entry != NULL)
|
||
|
|
dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
|
||
|
|
bl_entry->quirks, bl_entry->idVendor,
|
||
|
|
bl_entry->idProduct);
|
||
|
|
return bl_entry;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* usbhid_lookup_quirk: return any quirks associated with a USB HID device
|
||
|
|
* @idVendor: the 16-bit USB vendor ID, in native byteorder
|
||
|
|
* @idProduct: the 16-bit USB product ID, in native byteorder
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Given a USB vendor ID and product ID, return any quirks associated
|
||
|
|
* with that device.
|
||
|
|
*
|
||
|
|
* Returns: a u32 quirks value.
|
||
|
|
*/
|
||
|
|
u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
|
||
|
|
{
|
||
|
|
u32 quirks = 0;
|
||
|
|
const struct hid_blacklist *bl_entry = NULL;
|
||
|
|
|
||
|
|
/* NCR devices must not be queried for reports */
|
||
|
|
if (idVendor == USB_VENDOR_ID_NCR &&
|
||
|
|
idProduct >= USB_DEVICE_ID_NCR_FIRST &&
|
||
|
|
idProduct <= USB_DEVICE_ID_NCR_LAST)
|
||
|
|
return HID_QUIRK_NO_INIT_REPORTS;
|
||
|
|
|
||
|
|
down_read(&dquirks_rwsem);
|
||
|
|
bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
|
||
|
|
if (!bl_entry)
|
||
|
|
bl_entry = usbhid_exists_squirk(idVendor, idProduct);
|
||
|
|
if (bl_entry)
|
||
|
|
quirks = bl_entry->quirks;
|
||
|
|
up_read(&dquirks_rwsem);
|
||
|
|
|
||
|
|
return quirks;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);
|