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The current ELD handling takes the internal connector ELD buffer and shares it to the I2S and AHB sub-driver. But with DRM_BRIDGE_ATTACH_NO_CONNECTOR, the connector is created elsewhere (or not), and an eventual connector is known only if the bridge chain up to a connector is enabled. The current dw-hdmi code gets the current connector from atomic_enable() so use the already stored connector pointer and replace the buffer pointer with a callback returning the current connector ELD buffer. Since a connector is not always available, either pass an empty ELD to the alsa HDMI driver or don't call snd_pcm_hw_constraint_eld() in AHB driver. Reported-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> [narmstrong: fixed typo in commit log] Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211029135947.3022875-1-narmstrong@baylibre.com
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.