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Add register definitions for sharpness strength and filter window size used by CASF. Provide functions to read and write these fields. The sharpness strength value is determined by user input, while the winsize is based on the resolution. The casf_enable flag should be set if the platform supports sharpness adjustments and the user API strength is not zero. Once sharpness is enabled, update the strength bit of the register whenever the user changes the strength value, as the enable bit and winsize bit remain constant. Introduce helper to enable, disable and update strength. Add relavant strength and winsize in both enable and disable. v2: Introduce get_config for casf[Ankit] v3: Replace 0 with FILTER_STRENGTH_MASK[Ankit] v4: After updating strength add win_sz register v5: Replace u16 with u32 for total_pixel v6: Add casf logging v7: Add helper for enable and disable casf Signed-off-by: Nemesa Garg <nemesa.garg@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patch.msgid.link/20251028120747.3027332-4-ankit.k.nautiyal@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> |
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| .clang-format | ||
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| README | ||
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.