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HID: add autodetection of multitouch devices
authorBenjamin Tissoires <benjamin.tissoires@enac.fr>
Mon, 14 Feb 2011 12:42:12 +0000 (13:42 +0100)
committerChih-Wei Huang <cwhuang@linux.org.tw>
Sat, 27 Aug 2011 10:44:35 +0000 (18:44 +0800)
commit4eb4f204f1fbe59f392d71d96b361da7884fdb44
tree8353090b450a82b394c546220eefdc14c092b6b7
parentdd8fbba932531854b381e547bf86bfc21f791777
HID: add autodetection of multitouch devices

As mentioned by http://www.microsoft.com/whdc/device/input/DigitizerDrvs_touch.mspx
multitouch devices are those that have the input report HID_CONTACTID.

This patch detects this and unload the generic-usb driver.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
drivers/hid/hid-core.c
drivers/hid/hid-input.c
include/linux/hid.h