Hi, On 8/18/25 7:28 AM, Jonathan Denose wrote: > From: Angela Czubak <aczubak@xxxxxxxxxx> > > Define a new structure that contains simple haptic device configuration > as well as current state. > Add functions that recognize auto trigger and manual trigger reports > as well as save their addresses. > Verify that the pressure unit is either grams or newtons. > Mark the input device as a haptic touchpad if the unit is correct and > the reports are found. > > Signed-off-by: Angela Czubak <aczubak@xxxxxxxxxx> > Co-developed-by: Jonathan Denose <jdenose@xxxxxxxxxx> > Signed-off-by: Jonathan Denose <jdenose@xxxxxxxxxx> > --- > drivers/hid/Kconfig | 11 +++++ > drivers/hid/Makefile | 1 + > drivers/hid/hid-haptic.c | 72 ++++++++++++++++++++++++++++++++ > drivers/hid/hid-haptic.h | 105 +++++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 189 insertions(+) > > diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig > index 43859fc757470caf6ad43bd5f72f119e9c36aea7..cbbe82a0a2ba257e45f77ca014fb5f08b71fc62f 100644 > --- a/drivers/hid/Kconfig > +++ b/drivers/hid/Kconfig > @@ -92,6 +92,17 @@ config HID_GENERIC > > If unsure, say Y. > > +config HID_HAPTIC > + bool "Haptic touchpad support" Why bool instead of tristate? > + default n > + help > + Support for touchpads with force sensors and haptic actuators instead of a > + traditional button. > + Adds extra parsing and FF device for the hid multitouch driver. > + It can be used for Elan 2703 haptic touchpad. > + > + If unsure, say N. > + I do wish that hid/Kconfig indentation didn't vary so much from coding-style.rst. > menu "Special HID drivers" > > config HID_A4TECH > diff --git a/drivers/hid/hid-haptic.h b/drivers/hid/hid-haptic.h > new file mode 100644 > index 0000000000000000000000000000000000000000..b729f8245aa60c3d06b79b11846dccf6fcc0c08b > --- /dev/null > +++ b/drivers/hid/hid-haptic.h > @@ -0,0 +1,105 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * HID Haptic support for Linux > + * > + * Copyright (c) 2021 Angela Czubak <acz@xxxxxxxxxxxx> > + */ > + > +/* > + */ eh? > + > + > +#include <linux/hid.h> ? -- ~Randy