Hi everyone, This set of patches adds support for high-resolution scroll wheels on Logitech mice. See the linux-input "Reporting high-resolution scroll events" thread [0] for previous discussion of the evdev changes. I would love to hear your feedback. Thanks, Harry Cutts Chrome OS Touch/Input team [0]: https://www.spinics.net/lists/linux-input/msg57380.html Harry Cutts (3): Add the `REL_WHEEL_HI_RES` event code Create a utility class for counting scroll events Enable high-resolution scrolling on Logitech mice Documentation/input/event-codes.rst | 11 +- drivers/hid/hid-ids.h | 15 ++ drivers/hid/hid-input.c | 44 ++++ drivers/hid/hid-logitech-hidpp.c | 341 +++++++++++++++++++++++-- drivers/hid/hid-quirks.c | 11 + include/linux/hid.h | 28 ++ include/uapi/linux/input-event-codes.h | 1 + 7 files changed, 423 insertions(+), 28 deletions(-) -- 2.18.0.1017.ga543ac7ca45-goog