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Commit e5a2a04c authored by Jindrich Makovicka's avatar Jindrich Makovicka Committed by Jiri Kosina
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HID: check for HID_QUIRK_IGNORE during probing



While the hardcoded ignore list is checked in hid_add_device(), the
user supplied ignore flags are not. Thus, the IGNORE quirk (0x0004)
cannot be used to stop usbhid from binding devices like iBuddy, which
has been recently removed from the ignore list due to product ID
conflict.

This patch adds the user quirk check to hid_add_device(), and makes
hid_add_device() return -ENODEV when HID_QUIRK_IGNORE bit is set.

HID_QUIRK_NO_IGNORE still takes precedence over HID_QUIRK_IGNORE.

With the patch, iBuddy works properly using libusb when the following
option is added to modprobe.d:

options usbhid quirks=0x1130:0x0002:0x0004

Signed-off-by: default avatarJindrich Makovicka <makovick@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent fdd45ef4
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