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If we send SYN_REPORT on every single multitouch event, it breaks the multitouch. The multitouch becomes janky and having to click 2-3 times to do stuff (plus randomly activating notification bars when not clicking) If we suppress these SYN_REPORTS, multitouch will work fine, plus the events will have a protocol that looks nice. In addition, we need to register Goldfish Events as a multitouch device by issuing input_mt_init_slots, otherwise input_handle_abs_event in drivers/input/input.c will silently drop all ABS_MT_SLOT events, making it so that touches with more than 1 finger do not work properly. Signed-off-by: "Lingfeng Yang" <lfy@google.com> Change-Id: Ib2350f7d1732449d246f6f0d9b7b08f02cc7c2dd (cherry picked from commit 6cf40d0a16330e1ef42bdf07d9aba6c16ee11fbc)
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.