2 * USB HID quirks support for Linux
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2007 Jiri Kosina
8 * Copyright (c) 2007 Paul Walmsley
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
18 #include <linux/hid.h>
19 #include <linux/export.h>
20 #include <linux/slab.h>
22 #include "../hid-ids.h"
25 * Alphabetically sorted blacklist by quirk type.
28 static const struct hid_blacklist
{
33 { USB_VENDOR_ID_AASHIMA
, USB_DEVICE_ID_AASHIMA_GAMEPAD
, HID_QUIRK_BADPAD
},
34 { USB_VENDOR_ID_AASHIMA
, USB_DEVICE_ID_AASHIMA_PREDATOR
, HID_QUIRK_BADPAD
},
35 { USB_VENDOR_ID_ALPS
, USB_DEVICE_ID_IBM_GAMEPAD
, HID_QUIRK_BADPAD
},
36 { USB_VENDOR_ID_CHIC
, USB_DEVICE_ID_CHIC_GAMEPAD
, HID_QUIRK_BADPAD
},
37 { USB_VENDOR_ID_DWAV
, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER
, HID_QUIRK_MULTI_INPUT
| HID_QUIRK_NOGET
},
38 { USB_VENDOR_ID_MOJO
, USB_DEVICE_ID_RETRO_ADAPTER
, HID_QUIRK_MULTI_INPUT
},
39 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_DRIVING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
40 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_FLYING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
41 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_FIGHTING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
42 { USB_VENDOR_ID_NATSU
, USB_DEVICE_ID_NATSU_GAMEPAD
, HID_QUIRK_BADPAD
},
43 { USB_VENDOR_ID_NEC
, USB_DEVICE_ID_NEC_USB_GAME_PAD
, HID_QUIRK_BADPAD
},
44 { USB_VENDOR_ID_NEXTWINDOW
, USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN
, HID_QUIRK_MULTI_INPUT
},
45 { USB_VENDOR_ID_SAITEK
, USB_DEVICE_ID_SAITEK_RUMBLEPAD
, HID_QUIRK_BADPAD
},
46 { USB_VENDOR_ID_TOPMAX
, USB_DEVICE_ID_TOPMAX_COBRAPAD
, HID_QUIRK_BADPAD
},
48 { USB_VENDOR_ID_AFATECH
, USB_DEVICE_ID_AFATECH_AF9016
, HID_QUIRK_FULLSPEED_INTERVAL
},
50 { USB_VENDOR_ID_EMS
, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II
, HID_QUIRK_MULTI_INPUT
},
51 { USB_VENDOR_ID_ETURBOTOUCH
, USB_DEVICE_ID_ETURBOTOUCH
, HID_QUIRK_MULTI_INPUT
},
52 { USB_VENDOR_ID_ETURBOTOUCH
, USB_DEVICE_ID_ETURBOTOUCH_2968
, HID_QUIRK_MULTI_INPUT
},
53 { USB_VENDOR_ID_GREENASIA
, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD
, HID_QUIRK_MULTI_INPUT
},
54 { USB_VENDOR_ID_PANTHERLORD
, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK
, HID_QUIRK_MULTI_INPUT
| HID_QUIRK_SKIP_OUTPUT_REPORTS
},
55 { USB_VENDOR_ID_PLAYDOTCOM
, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII
, HID_QUIRK_MULTI_INPUT
},
56 { USB_VENDOR_ID_TOUCHPACK
, USB_DEVICE_ID_TOUCHPACK_RTS
, HID_QUIRK_MULTI_INPUT
},
58 { USB_VENDOR_ID_AIREN
, USB_DEVICE_ID_AIREN_SLIMPLUS
, HID_QUIRK_NOGET
},
59 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_UC100KM
, HID_QUIRK_NOGET
},
60 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_CS124U
, HID_QUIRK_NOGET
},
61 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_2PORTKVM
, HID_QUIRK_NOGET
},
62 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_4PORTKVM
, HID_QUIRK_NOGET
},
63 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_4PORTKVMC
, HID_QUIRK_NOGET
},
64 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_CS682
, HID_QUIRK_NOGET
},
65 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_FIGHTERSTICK
, HID_QUIRK_NOGET
},
66 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_COMBATSTICK
, HID_QUIRK_NOGET
},
67 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE
, HID_QUIRK_NOGET
},
68 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE
, HID_QUIRK_NOGET
},
69 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_PRO_THROTTLE
, HID_QUIRK_NOGET
},
70 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_PRO_PEDALS
, HID_QUIRK_NOGET
},
71 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK
, HID_QUIRK_NOGET
},
72 { USB_VENDOR_ID_CH
, USB_DEVICE_ID_CH_AXIS_295
, HID_QUIRK_NOGET
},
73 { USB_VENDOR_ID_CHICONY
, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE
, HID_QUIRK_ALWAYS_POLL
},
74 { USB_VENDOR_ID_DMI
, USB_DEVICE_ID_DMI_ENC
, HID_QUIRK_NOGET
},
75 { USB_VENDOR_ID_ELAN
, USB_DEVICE_ID_ELAN_TOUCHSCREEN
, HID_QUIRK_ALWAYS_POLL
},
76 { USB_VENDOR_ID_ELAN
, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B
, HID_QUIRK_ALWAYS_POLL
},
77 { USB_VENDOR_ID_ELAN
, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103
, HID_QUIRK_ALWAYS_POLL
},
78 { USB_VENDOR_ID_ELAN
, USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c
, HID_QUIRK_ALWAYS_POLL
},
79 { USB_VENDOR_ID_ELAN
, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F
, HID_QUIRK_ALWAYS_POLL
},
80 { USB_VENDOR_ID_ELO
, USB_DEVICE_ID_ELO_TS2700
, HID_QUIRK_NOGET
},
81 { USB_VENDOR_ID_FORMOSA
, USB_DEVICE_ID_FORMOSA_IR_RECEIVER
, HID_QUIRK_NO_INIT_REPORTS
},
82 { USB_VENDOR_ID_FREESCALE
, USB_DEVICE_ID_FREESCALE_MX28
, HID_QUIRK_NOGET
},
83 { USB_VENDOR_ID_HP
, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0A4A
, HID_QUIRK_ALWAYS_POLL
},
84 { USB_VENDOR_ID_HP
, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A
, HID_QUIRK_ALWAYS_POLL
},
85 { USB_VENDOR_ID_HP
, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE
, HID_QUIRK_ALWAYS_POLL
},
86 { USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_C077
, HID_QUIRK_ALWAYS_POLL
},
87 { USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOUSE_C01A
, HID_QUIRK_ALWAYS_POLL
},
88 { USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOUSE_C05A
, HID_QUIRK_ALWAYS_POLL
},
89 { USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOUSE_C06A
, HID_QUIRK_ALWAYS_POLL
},
90 { USB_VENDOR_ID_MGE
, USB_DEVICE_ID_MGE_UPS
, HID_QUIRK_NOGET
},
91 { USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_TYPE_COVER_3
, HID_QUIRK_NO_INIT_REPORTS
},
92 { USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_TYPE_COVER_3_JP
, HID_QUIRK_NO_INIT_REPORTS
},
93 { USB_VENDOR_ID_MSI
, USB_DEVICE_ID_MSI_GT683R_LED_PANEL
, HID_QUIRK_NO_INIT_REPORTS
},
94 { USB_VENDOR_ID_NEXIO
, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750
, HID_QUIRK_NO_INIT_REPORTS
},
95 { USB_VENDOR_ID_NOVATEK
, USB_DEVICE_ID_NOVATEK_MOUSE
, HID_QUIRK_NO_INIT_REPORTS
},
96 { USB_VENDOR_ID_PENMOUNT
, USB_DEVICE_ID_PENMOUNT_1610
, HID_QUIRK_NOGET
},
97 { USB_VENDOR_ID_PENMOUNT
, USB_DEVICE_ID_PENMOUNT_1640
, HID_QUIRK_NOGET
},
98 { USB_VENDOR_ID_PIXART
, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE
, HID_QUIRK_ALWAYS_POLL
},
99 { USB_VENDOR_ID_KYE
, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2
, HID_QUIRK_ALWAYS_POLL
},
100 { USB_VENDOR_ID_PIXART
, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN
, HID_QUIRK_NO_INIT_REPORTS
},
101 { USB_VENDOR_ID_PIXART
, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1
, HID_QUIRK_NO_INIT_REPORTS
},
102 { USB_VENDOR_ID_PIXART
, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2
, HID_QUIRK_NO_INIT_REPORTS
},
103 { USB_VENDOR_ID_PRIMAX
, USB_DEVICE_ID_PRIMAX_MOUSE_4D22
, HID_QUIRK_ALWAYS_POLL
},
104 { USB_VENDOR_ID_PRODIGE
, USB_DEVICE_ID_PRODIGE_CORDLESS
, HID_QUIRK_NOGET
},
105 { USB_VENDOR_ID_QUANTA
, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001
, HID_QUIRK_NOGET
},
106 { USB_VENDOR_ID_QUANTA
, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008
, HID_QUIRK_NOGET
},
107 { USB_VENDOR_ID_REALTEK
, USB_DEVICE_ID_REALTEK_READER
, HID_QUIRK_NO_INIT_REPORTS
},
108 { USB_VENDOR_ID_SENNHEISER
, USB_DEVICE_ID_SENNHEISER_BTD500USB
, HID_QUIRK_NOGET
},
109 { USB_VENDOR_ID_SIGMATEL
, USB_DEVICE_ID_SIGMATEL_STMP3780
, HID_QUIRK_NOGET
},
110 { USB_VENDOR_ID_SIS_TOUCH
, USB_DEVICE_ID_SIS9200_TOUCH
, HID_QUIRK_NOGET
},
111 { USB_VENDOR_ID_SIS_TOUCH
, USB_DEVICE_ID_SIS817_TOUCH
, HID_QUIRK_NOGET
},
112 { USB_VENDOR_ID_SIS_TOUCH
, USB_DEVICE_ID_SIS_TS
, HID_QUIRK_NO_INIT_REPORTS
},
113 { USB_VENDOR_ID_SIS_TOUCH
, USB_DEVICE_ID_SIS1030_TOUCH
, HID_QUIRK_NOGET
},
114 { USB_VENDOR_ID_SUN
, USB_DEVICE_ID_RARITAN_KVM_DONGLE
, HID_QUIRK_NOGET
},
115 { USB_VENDOR_ID_SYMBOL
, USB_DEVICE_ID_SYMBOL_SCANNER_1
, HID_QUIRK_NOGET
},
116 { USB_VENDOR_ID_SYMBOL
, USB_DEVICE_ID_SYMBOL_SCANNER_2
, HID_QUIRK_NOGET
},
117 { USB_VENDOR_ID_TPV
, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN
, HID_QUIRK_NOGET
},
118 { USB_VENDOR_ID_TURBOX
, USB_DEVICE_ID_TURBOX_KEYBOARD
, HID_QUIRK_NOGET
},
119 { USB_VENDOR_ID_UCLOGIC
, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5
, HID_QUIRK_MULTI_INPUT
},
120 { USB_VENDOR_ID_UCLOGIC
, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60
, HID_QUIRK_MULTI_INPUT
},
121 { USB_VENDOR_ID_WALTOP
, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH
, HID_QUIRK_MULTI_INPUT
},
122 { USB_VENDOR_ID_WALTOP
, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH
, HID_QUIRK_MULTI_INPUT
},
123 { USB_VENDOR_ID_WALTOP
, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET
, HID_QUIRK_MULTI_INPUT
},
124 { USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_QUAD_USB_JOYPAD
, HID_QUIRK_NOGET
| HID_QUIRK_MULTI_INPUT
},
126 { USB_VENDOR_ID_WISEGROUP_LTD2
, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS
, HID_QUIRK_NOGET
| HID_QUIRK_MULTI_INPUT
},
128 { USB_VENDOR_ID_PI_ENGINEERING
, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL
, HID_QUIRK_HIDINPUT_FORCE
},
130 { USB_VENDOR_ID_CHICONY
, USB_DEVICE_ID_CHICONY_MULTI_TOUCH
, HID_QUIRK_MULTI_INPUT
},
131 { USB_VENDOR_ID_CHICONY
, USB_DEVICE_ID_CHICONY_WIRELESS
, HID_QUIRK_MULTI_INPUT
},
132 { USB_VENDOR_ID_SIGMA_MICRO
, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD
, HID_QUIRK_NO_INIT_REPORTS
},
133 { USB_VENDOR_ID_KYE
, USB_DEVICE_ID_KYE_MOUSEPEN_I608X
, HID_QUIRK_MULTI_INPUT
},
134 { USB_VENDOR_ID_KYE
, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2
, HID_QUIRK_MULTI_INPUT
},
135 { USB_VENDOR_ID_KYE
, USB_DEVICE_ID_KYE_EASYPEN_M610X
, HID_QUIRK_MULTI_INPUT
},
136 { USB_VENDOR_ID_KYE
, USB_DEVICE_ID_KYE_PENSKETCH_M912
, HID_QUIRK_MULTI_INPUT
},
137 { USB_VENDOR_ID_NTRIG
, USB_DEVICE_ID_NTRIG_DUOSENSE
, HID_QUIRK_NO_INIT_REPORTS
},
138 { USB_VENDOR_ID_SEMICO
, USB_DEVICE_ID_SEMICO_USB_KEYKOARD
, HID_QUIRK_NO_INIT_REPORTS
},
139 { USB_VENDOR_ID_SYNAPTICS
, USB_DEVICE_ID_SYNAPTICS_LTS1
, HID_QUIRK_NO_INIT_REPORTS
},
140 { USB_VENDOR_ID_SYNAPTICS
, USB_DEVICE_ID_SYNAPTICS_LTS2
, HID_QUIRK_NO_INIT_REPORTS
},
141 { USB_VENDOR_ID_SYNAPTICS
, USB_DEVICE_ID_SYNAPTICS_HD
, HID_QUIRK_NO_INIT_REPORTS
},
142 { USB_VENDOR_ID_SYNAPTICS
, USB_DEVICE_ID_SYNAPTICS_QUAD_HD
, HID_QUIRK_NO_INIT_REPORTS
},
143 { USB_VENDOR_ID_SYNAPTICS
, USB_DEVICE_ID_SYNAPTICS_TP_V103
, HID_QUIRK_NO_INIT_REPORTS
},
144 { USB_VENDOR_ID_HOLTEK_ALT
, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD_A096
, HID_QUIRK_NO_INIT_INPUT_REPORTS
},
149 /* Dynamic HID quirks list - specified at runtime */
150 struct quirks_list_struct
{
151 struct hid_blacklist hid_bl_item
;
152 struct list_head node
;
155 static LIST_HEAD(dquirks_list
);
156 static DECLARE_RWSEM(dquirks_rwsem
);
158 /* Runtime ("dynamic") quirks manipulation functions */
161 * usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
162 * @idVendor: the 16-bit USB vendor ID, in native byteorder
163 * @idProduct: the 16-bit USB product ID, in native byteorder
166 * Scans dquirks_list for a matching dynamic quirk and returns
167 * the pointer to the relevant struct hid_blacklist if found.
168 * Must be called with a read lock held on dquirks_rwsem.
170 * Returns: NULL if no quirk found, struct hid_blacklist * if found.
172 static struct hid_blacklist
*usbhid_exists_dquirk(const u16 idVendor
,
175 struct quirks_list_struct
*q
;
176 struct hid_blacklist
*bl_entry
= NULL
;
178 list_for_each_entry(q
, &dquirks_list
, node
) {
179 if (q
->hid_bl_item
.idVendor
== idVendor
&&
180 q
->hid_bl_item
.idProduct
== idProduct
) {
181 bl_entry
= &q
->hid_bl_item
;
186 if (bl_entry
!= NULL
)
187 dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
188 bl_entry
->quirks
, bl_entry
->idVendor
,
189 bl_entry
->idProduct
);
196 * usbhid_modify_dquirk: add/replace a HID quirk
197 * @idVendor: the 16-bit USB vendor ID, in native byteorder
198 * @idProduct: the 16-bit USB product ID, in native byteorder
199 * @quirks: the u32 quirks value to add/replace
202 * If an dynamic quirk exists in memory for this (idVendor,
203 * idProduct) pair, replace its quirks value with what was
204 * provided. Otherwise, add the quirk to the dynamic quirks list.
206 * Returns: 0 OK, -error on failure.
208 static int usbhid_modify_dquirk(const u16 idVendor
, const u16 idProduct
,
211 struct quirks_list_struct
*q_new
, *q
;
215 dbg_hid("Cannot add a quirk with idVendor = 0\n");
219 q_new
= kmalloc(sizeof(struct quirks_list_struct
), GFP_KERNEL
);
221 dbg_hid("Could not allocate quirks_list_struct\n");
225 q_new
->hid_bl_item
.idVendor
= idVendor
;
226 q_new
->hid_bl_item
.idProduct
= idProduct
;
227 q_new
->hid_bl_item
.quirks
= quirks
;
229 down_write(&dquirks_rwsem
);
231 list_for_each_entry(q
, &dquirks_list
, node
) {
233 if (q
->hid_bl_item
.idVendor
== idVendor
&&
234 q
->hid_bl_item
.idProduct
== idProduct
) {
236 list_replace(&q
->node
, &q_new
->node
);
246 list_add_tail(&q_new
->node
, &dquirks_list
);
248 up_write(&dquirks_rwsem
);
254 * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
257 * Free all memory associated with dynamic quirks - called before
261 static void usbhid_remove_all_dquirks(void)
263 struct quirks_list_struct
*q
, *temp
;
265 down_write(&dquirks_rwsem
);
266 list_for_each_entry_safe(q
, temp
, &dquirks_list
, node
) {
270 up_write(&dquirks_rwsem
);
275 * usbhid_quirks_init: apply USB HID quirks specified at module load time
277 int usbhid_quirks_init(char **quirks_param
)
279 u16 idVendor
, idProduct
;
283 for (; n
< MAX_USBHID_BOOT_QUIRKS
&& quirks_param
[n
]; n
++) {
285 m
= sscanf(quirks_param
[n
], "0x%hx:0x%hx:0x%x",
286 &idVendor
, &idProduct
, &quirks
);
289 usbhid_modify_dquirk(idVendor
, idProduct
, quirks
) != 0) {
291 "Could not parse HID quirk module param %s\n",
300 * usbhid_quirks_exit: release memory associated with dynamic_quirks
303 * Release all memory associated with dynamic quirks. Called upon
308 void usbhid_quirks_exit(void)
310 usbhid_remove_all_dquirks();
314 * usbhid_exists_squirk: return any static quirks for a USB HID device
315 * @idVendor: the 16-bit USB vendor ID, in native byteorder
316 * @idProduct: the 16-bit USB product ID, in native byteorder
319 * Given a USB vendor ID and product ID, return a pointer to
320 * the hid_blacklist entry associated with that device.
322 * Returns: pointer if quirk found, or NULL if no quirks found.
324 static const struct hid_blacklist
*usbhid_exists_squirk(const u16 idVendor
,
327 const struct hid_blacklist
*bl_entry
= NULL
;
330 for (; hid_blacklist
[n
].idVendor
; n
++)
331 if (hid_blacklist
[n
].idVendor
== idVendor
&&
332 hid_blacklist
[n
].idProduct
== idProduct
)
333 bl_entry
= &hid_blacklist
[n
];
335 if (bl_entry
!= NULL
)
336 dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
337 bl_entry
->quirks
, bl_entry
->idVendor
,
338 bl_entry
->idProduct
);
343 * usbhid_lookup_quirk: return any quirks associated with a USB HID device
344 * @idVendor: the 16-bit USB vendor ID, in native byteorder
345 * @idProduct: the 16-bit USB product ID, in native byteorder
348 * Given a USB vendor ID and product ID, return any quirks associated
351 * Returns: a u32 quirks value.
353 u32
usbhid_lookup_quirk(const u16 idVendor
, const u16 idProduct
)
356 const struct hid_blacklist
*bl_entry
= NULL
;
358 /* NCR devices must not be queried for reports */
359 if (idVendor
== USB_VENDOR_ID_NCR
&&
360 idProduct
>= USB_DEVICE_ID_NCR_FIRST
&&
361 idProduct
<= USB_DEVICE_ID_NCR_LAST
)
362 return HID_QUIRK_NO_INIT_REPORTS
;
364 down_read(&dquirks_rwsem
);
365 bl_entry
= usbhid_exists_dquirk(idVendor
, idProduct
);
367 bl_entry
= usbhid_exists_squirk(idVendor
, idProduct
);
369 quirks
= bl_entry
->quirks
;
370 up_read(&dquirks_rwsem
);
375 EXPORT_SYMBOL_GPL(usbhid_lookup_quirk
);