Messages in this thread | | | Date | Sun, 2 Dec 2012 23:36:36 -0800 | From | Dmitry Torokhov <> | Subject | Re: [PATCH v3 0/4] Cypress PS/2 Trackpad driver |
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Hi Kamal,
On Thu, Nov 29, 2012 at 01:57:57PM -0800, Kamal Mostafa wrote: > This driver, submitted on behalf of Cypress Semiconductor Corporation and > additional contributors, provides support for the Cypress PS/2 Trackpad. > > This [PATCH v3] version differs from my previous submitted version[1]: > > Patch #1 (cmdbuf to 8 bytes) and #3 (link in driver) are unchanged. > > Patch #2 (main driver), as recommended by Henrik Rydberg[2]: > - use input_mt_assign_slots; drop cypress_cal_finger_id. > - enable 2-finger-only SEMI_MT; drop cypress_simulate_fingers. > - various code clean-ups. > > Henrik, does patch #2 appear to properly use assign_slots and SEMI_MT as > you intended? This SEMI_MT method does work (with 2 finger support only), > but I'm not clear why we wouldn't want to handle >2 fingers also, so ... > > Patch #4 (new) reintroduces simulated multitouch for up to 5 fingers > (#if CYPRESS_SIMULATE_MT), disabling SEMI_MT again. > > If that functionality (support for >2 fingers) can be acheived in some > better way, please advise.
You can still report true number of fingers on the pad via BTN_TOOL_*TAP while reporting the bounding box, the same way as Synaptics, Elantech, ALPS and Sentelic drivers are doing it.
Thanks.
-- Dmitry
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