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[ Upstream commit 149694f5e79b0c7a36ceb76e7c0d590db8f151c1 ] The ad7091r-base driver sets up an interrupt handler for firing events when inputs are either above or below a certain threshold. However, for the interrupt signal to come from the device it must be configured to enable the ALERT/BUSY/GPO pin to be used as ALERT, which was not being done until now. Enable interrupt signals on the ALERT/BUSY/GPO pin by setting the proper bit in the configuration register. Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com> Link: https://lore.kernel.org/r/e8da2ee98d6df88318b14baf3dc9630e20218418.1702746240.git.marcelo.schmitt1@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Stable-dep-of: 020e71c7ffc2 ("iio: adc: ad7091r: Allow users to configure device events") Signed-off-by: Sasha Levin <sashal@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 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.