d24e95f875
Currently, wm8998 has two input mux controls on IN1 and attempts to switch these together when the A position is configured to be in digital mode. This is because the digital mode requires pins from both the L and R channels. However, this doesn't work as intended because whilst the registers on the chip are changed the corresponding DAPM representation is only updated for the mux actually being changed by the user. The DAPM graph being out of sync with the hardware can cause some odd issues with incorrect things being powered etc. To avoid this issue and simplify the code somewhat, simply let the user set the muxes as they desire. If they set an invalid configuration they might not get audio from the DMIC but most of the chip requires you to set a valid audio route to get audio. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
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| kernel | ||
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.