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HID: bring back possibility to specify vid/pid ignore on module load

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When hid quirks were converted to specialized driver, the HID_QUIRK_IGNORE
has been moved completely, as the hid_ignore_list[] has been moved into the
generic code.

However userspace already got used to the possibility that modprobing
usbhid with

	'quirks=vid:pid:0x4'

makes the device ignored by usbhid driver. So keep this quirk flag in place
for backwards compatibility.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2009-01-29 00:15:51 +01:00
parent 205adbec0d
commit 6f4303fb2e
2 changed files with 4 additions and 0 deletions
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3
drivers/hid/usbhid/hid-core.c
View file

@ -711,6 +711,9 @@ static int usbhid_parse(struct hid_device *hid)
quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
if (quirks & HID_QUIRK_IGNORE)
return -ENODEV;
/* Many keyboards and mice don't like to be polled for reports,
* so we will always set the HID_QUIRK_NOGET flag for them. */
if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {

1
include/linux/hid.h
View file

@ -270,6 +270,7 @@ struct hid_item {
#define HID_QUIRK_INVERT 0x00000001
#define HID_QUIRK_NOTOUCH 0x00000002
#define HID_QUIRK_IGNORE 0x00000004
#define HID_QUIRK_NOGET 0x00000008
#define HID_QUIRK_BADPAD 0x00000020
#define HID_QUIRK_MULTI_INPUT 0x00000040