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2eee958174
Since the atomisp driver only supports 1 stream / only has 1 asd now, there is no longer a need to track which stream owns the sensor. So the asd owner-pointer of struct atomisp_input_subdev can be dropped, replace this with a simple camera_on boolean and add a new atomisp_s_sensor_power() helper which takes care of avoiding unbalanced s_power() subdev calls as well as takes care of handling the special -ENOIOCTLCMD return for subdevs which don't implement s_power(). Reviewed-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@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 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.