[ Upstream commit 088777bf65b98cfa4b5378119d0a7d49a58ece44 ] DAC volume control is the Master Playback Volume at the moment and it reports wrong levels in alsamixer and other alsa apps. The patch fixes that, as stated in manual on the jz4725b SoC (16.6.3.4 Programmable attenuation: GOD) the ctl range varies from -22.5dB to 0dB with 1.5dB step. Signed-off-by: Siarhei Volkau <lis8215@gmail.com> Link: https://lore.kernel.org/r/20221016132648.3011729-3-lis8215@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org> 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.
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