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[ Upstream commit808175e21d] In case triggered buffers are enabled while system is suspended they will not work anymore after resume. For this call at91_adc_buffer_postdisable() on suspend and at91_adc_buffer_prepare() on resume. On tests it has been seen that at91_adc_buffer_postdisable() call is not necessary but it has been kept because it also does the book keeping for DMA. On resume path there is no need to call at91_adc_configure_touch() as it is embedded in at91_adc_buffer_prepare(). Fixes:073c662017("iio: adc: at91-sama5d2_adc: add support for DMA") Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Link: https://lore.kernel.org/r/20220803102855.2191070-5-claudiu.beznea@microchip.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 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.