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The various chips can be reset using a sequence of SPI transfers with MOSI = 1. The length of such a sequence varies from chip to chip. Store that length in struct ad_sigma_delta_info and replace the respective parameter to ad_sd_reset() with it. Note the ad7192 used to pass 48 as length but the documentation specifies 40 as the required length. Assuming the latter is right. (Using a too long sequence doesn't hurt apart from using a longer spi transfer than necessary, so this is no relevant fix.) The motivation for storing this information is that this is useful to clear a pending R̅D̅Y̅ signal in the next change. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://patch.msgid.link/9750db62fce638bf140ff48172c23bff7f785e5b.1733504533.git.u.kleine-koenig@baylibre.com 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 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.