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Jack Chen
b5a7fc286c
The torch_current_max should be checked not exceeding the upper bound. If it does, throw a warning message and set to LM3601X_MAX_TORCH_I_UA. LM3601x torch brigthness register (LM3601X_LED_TORCH_REG) takes 0 as the minimum output (2.4 mA). However, 0 of led_brightness means LED_OFF. Adding a -1 offset to brightness before writing to brightness register, so when users write minimum brightness (1), it sets lm3601x output the minimum. Signed-off-by: Jack Chen <zenghuchen@google.com> Link: https://lore.kernel.org/r/20240704191500.766846-1-zenghuchen@google.com Signed-off-by: Lee Jones <lee@kernel.org>
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.