HID: multitouch: fix Win8 protocol for Sharp like devices
authorBenjamin Tissoires <benjamin.tissoires@gmail.com>
Thu, 31 Jan 2013 16:22:26 +0000 (17:22 +0100)
committerJiri Kosina <jkosina@suse.cz>
Tue, 5 Feb 2013 11:07:40 +0000 (12:07 +0100)
commitc629dd7eb3b43bb09eecb035f016bdca32dc8acf
tree038e39325db18bb77ad5c63e3cf231fea0847f1c
parentc2517f62dac608e43b652dc6ed1e478e8447e029
HID: multitouch: fix Win8 protocol for Sharp like devices

The Sharp LC-20FE1-W screen (04dd:9681) behaves like the Nexio 42".
It may report out of ranges values that are filtered out by relying
on the Contact Count HID field.
Adding the quirk MT_QUIRK_CONTACT_CNT_ACCURATE makes hid-multitouch
strongest against this kind of device, without breaking the current
devices.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-multitouch.c