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David Lechner e0d68d52a3 iio: adc: ad_sigma_delta: change to buffer predisable
commit 66d4374d97 upstream.

Change the buffer disable callback from postdisable to predisable.
This balances the existing posteanble callback. Using postdisable
with posteanble can be problematic, for example, if update_scan_mode
fails, it would call postdisable without ever having called posteanble,
so the drivers using this would be in an unexpected state when
postdisable was called.

Fixes: af3008485e ("iio:adc: Add common code for ADI Sigma Delta devices")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703-iio-adc-ad_sigma_delta-buffer-predisable-v1-1-f2ab85138f1f@baylibre.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-08-28 16:30:57 +02:00
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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.