kernel/drivers/input/rmi4/rmi_f21.c, branch linux-6.18.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-6.18.y2025-07-27T08:24:21ZInput: synaptics-rmi4 - add support for Forcepads (F21)2025-07-27T08:24:21ZMarge YangMarge.Yang@tw.synaptics.com2025-07-23T16:16:20Zurn:sha1:a9c95d17dc13b8a4c5faa02a6b84ba83af058206
Forcepad devices do not have physical buttons underneath the surface and
use F21 to report "clicks" based on touch pressure.
Signed-off-by: Marge Yang <Marge.Yang@tw.synaptics.com>
Link: https://lore.kernel.org/r/20250716033648.1785509-1-marge.yang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>