4 Commits

Author	SHA1	Message	Date
Nicolas Boichat	8151b3f7e6	touchpad_elan: Read resolution and validate against build-time values ... At init time, read resolution/dpi from trackpad, and check that logical/physical dimensions match the expected values, provided at build-time. BRANCH=none BUG=b:38277869 TEST=Flash staff, no error message at boot time. Flash hammer image onto staff, a warning is shown at boot time. Change-Id: I5ef7d25b6e6525c2bd6fc023f58f3a242134d962 Reviewed-on: https://chromium-review.googlesource.com/505857 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>	2017-05-18 02:26:08 -07:00
Nicolas Boichat	2b22a4b25f	driver/touchpad_elan: Use slightly more precise pressure adjustment ... Matches the pressure multiplier used with elan trackpad on Chrome OS (3.1416). We do fixed point arithmetic to avoid the need for floating point or non-power of 2 division. BRANCH=none BUG=chrome-os-partner:59083 TEST=make BOARD=hammer -j && util/flash_ec --board=hammer Change-Id: Ic3daad2645839955734eb7cbd9a60bbdf2520ce8 Reviewed-on: https://chromium-review.googlesource.com/450994 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>	2017-03-08 11:27:43 -08:00
Nicolas Boichat	13f8bb01de	driver/touchpad_elan: Report events to USB HID touchpad ... Pass reported events to the USB HID touchpad driver. BRANCH=none BUG=chrome-os-partner:59083 TEST=make BOARD=hammer -j && util/flash_ec --board=hammer Change-Id: I234be1a1db8526e615acdd13c5d4dae40be5bdff Reviewed-on: https://chromium-review.googlesource.com/410960 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>	2016-11-22 18:36:39 -08:00
Nicolas Boichat	de0f53afef	driver/touchpad_elan: Basic elan touchpad driver ... BRANCH=none BUG=chrome-os-partner:59083 TEST=make BOARD=hammer -j && bash flash_hammer Change-Id: I0ff4f48ff1399e054f745ac13ffacf81dffedeab Reviewed-on: https://chromium-review.googlesource.com/407740 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>	2016-11-08 23:24:52 -08:00