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authorMasaki Ota <012nexus@gmail.com>2016-09-27 14:04:37 +0900
committerJiri Kosina <jkosina@suse.cz>2016-09-27 13:50:09 +0200
commit9a54cf462d6f3c383a5a4f5fe15c020a03db44e6 (patch)
tree53bee8d449c5d9012d72468f413d1fba8d97ce7e /drivers/hid/usbhid
parent884316deb4c9fdf9becfa31831a9e40717e3026c (diff)
downloadlinux-9a54cf462d6f3c383a5a4f5fe15c020a03db44e6.tar.bz2
HID: alps: fix multitouch cursor issue
Issue reproduction procedure: 1. three or more fingers put on Touchpad. 2. release fingers from Touchpad. 3. move the cursor by one finger. 4. the cursor does not move. Cause: We do not notify multi fingers state correctly to input subsystem. For example, when three fingers release from Touchpad, fingers state is 3 -> 0. It needs to notify first, second and third finger's releasing state. Fix this by not breaking out on z axis and move x,y,z input handling code to the correct place so that it's in fact per-finger. [jkosina@suse.cz: reword changelog] Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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