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authorBenjamin Tissoires <benjamin.tissoires@gmail.com>2012-11-14 16:59:25 +0100
committerJiri Kosina <jkosina@suse.cz>2012-11-15 10:19:00 +0100
commit1b42fc4a2889729c740321eb487f887161e38428 (patch)
treecf0013bde2a89ec50c44587936fe106e71818e63 /drivers/input/input-mt.c
parent9b3bb9b8b6b221ab5ec96defedb15e4c99e26372 (diff)
HID: multitouch: fix Win 8 protocol
The Win 8 protocol specify the fact that each valid touch must be reported within a frame until it is released. We can therefore use the always_valid quirk and dismiss reports when we see duplicate contacts ID. We recognize Win8 certified devices from their vendor feature 0xff0000c5 where Microsoft put a signed blob in the report to check if the device passed the certification. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> Reviewed-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/input/input-mt.c')
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