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Jean Delvare eabb038101 [PATCH} hwmon: (jc42) Properly detect TSE2004-compliant devices again
Commit b3e992f69c ("hwmon: (jc42)  Strengthen detect function")
attempted to make the detect function more robust for
TSE2004-compliant devices by checking capability bits which, according
to the JEDEC 21-C specification, should always be set. Unfortunately,
not all real-world implementations fully adhere to this specification,
so this change caused a regression.

Stop testing bit 7 (EVSD) of the Capabilities register, as it was
found to be 0 on one real-world device.

Also stop testing bits 0 (EVENT) and 2 (RANGE) as vendor datasheets
(Renesas TSE2004GB2B0, ST STTS2004) suggest that they may not always
be set either.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Message-ID: <20241014141204.026f4641@endymion.delvare>
Fixes: b3e992f69c ("hwmon: (jc42)  Strengthen detect function")
Message-ID: <20241014220426.0c8f4d9c@endymion.delvare>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
History 2024-10-14 19:14:08 -07:00
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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.