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0187c08058
Commit581c448476("HID: input: map digitizer battery usage") added handling of battery events for digitizers (typically for batteries presented in stylii). Digitizers typically report correct battery levels only when stylus is actively touching the surface, and in other cases they may report battery level of 0. To avoid confusing consumers of the battery information the code was added to filer out reports with 0 battery levels. However there exist other kinds of devices that may legitimately report 0 battery levels. Fix this by filtering out 0-level reports only for digitizer usages, and continue reporting them for other kinds of devices (Smart Batteries, etc). Reported-by: 卢国宏 <luguohong@xiaomi.com> Fixes:581c448476("HID: input: map digitizer battery usage") Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
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 reStructuredText 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.