Tomasz Pakuła 1830b4166f HID: pidff: Add MISSING_PBO quirk and its detection
[ Upstream commit fc7c154e9bb3c2b98875cfc565406f4787e3b7a4 ]

Some devices with only one axis are missing PARAMETER_BLOCK_OFFSET field
for conditional effects. They can only have one axis, so we're limiting
the max_axis when setting the report for those effects.

Automatic detection ensures compatibility even if such device won't be
explicitly defined in the kernel.

Fixes initialization of VRS DirectForce PRO and possibly other devices.

Changes in v6:
- Fixed NULL pointer dereference. When PBO is missing, make sure not
  to set it anyway

Co-developed-by: Makarenko Oleg <oleg@makarenk.ooo>
Signed-off-by: Makarenko Oleg <oleg@makarenk.ooo>
Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Reviewed-by: Michał Kopeć <michal@nozomi.space>
Reviewed-by: Paul Dino Jones <paul@spacefreak18.xyz>
Tested-by: Paul Dino Jones <paul@spacefreak18.xyz>
Tested-by: Cristóferson Bueno <cbueno81@gmail.com>
Tested-by: Pablo Cisneros <patchkez@protonmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-25 10:45:11 +02:00
2022-09-28 09:02:20 +02:00
2025-04-10 14:37:44 +02:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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