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commit421a26f3d7upstream. The ltr559 chip uses only the lowest bit of the ALS_CONTR register to configure between active and stand-by mode. In the original driver BIT(1) is used, which does a software reset instead. This patch fixes the problem by using BIT(0) as als_mode_active for the ltr559 chip. Fixes:8592a7eefa("iio: ltr501: Add support for ltr559 chip") Signed-off-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559 Link: https://lore.kernel.org/r/20210610134619.2101372-3-mkl@pengutronix.de Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 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.