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35619155d0
Introduce the capability to disable sensorhub through a device-tree property since there are some configurations where users want to explicitly disable sensor-hub auto-probing at bootstrap. A typical configuration is when the sensorhub clock/data lines are connected to a pull-up resistor since no slave sensors are connected to the i2c master. If SDO/SA0 line is connected to the same pull-up resistor, when the driver tries to probe slave devices connected on sensor-hub, it will force SDO/SA0 line to low, modifying the device i2c address. Tested-by: Mario Tesi <mario.tesi@st.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/ad7894e7b1c6fb3427fab3f623bb942860ad45cf.1636816719.git.lorenzo@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 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.