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182bc496dc
This patch fixes two issues regarding the sampling frequency setting:
-The attribute was set as per device, not per channel. As such, when
setting the sampling frequency, the configuration was always done for
the slot 0, and the correct configuration was applied on the next
channel configuration call by the LRU mechanism.
-The LRU implementation does not take into account external settings of
the slot registers. When setting the sampling frequency directly to a
slot register in write_raw(), there is no guarantee that other channels
were not also using that slot and now incorrectly retain their config
as live.
Set the sampling frequency attribute as separate in the channel templates.
Do not set the sampling directly to the slot register in write_raw(),
just mark the config as not live and let the LRU mechanism handle it.
As the reg variable is no longer used, remove it.
Fixes:
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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.