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Nicolas Saenz Julienne 3e21c4dbc3 drm/vc4: Unify PCM card's driver_name 
[ Upstream commit 33c74535b0 ]

User-space ALSA matches a card's driver name against an internal list of
aliases in order to select the correct configuration for the system.
When the driver name isn't defined, the match is performed against the
card's name.

With the introduction of RPi4 we now have two HDMI ports with two
distinct audio cards. This is reflected in their names, making them
different from previous RPi versions. With this, ALSA ultimately misses
the board's configuration on RPi4.

In order to avoid this, set "card->driver_name" to "vc4-hdmi"
unanimously.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Fixes: f437bc1ec7 ("drm/vc4: drv: Support BCM2711")
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210115191209.12852-1-nsaenzjulienne@suse.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-01-27 11:55:09 +01:00
arch
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drivers drm/vc4: Unify PCM card's driver_name 2021-01-27 11:55:09 +01:00
fs
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kernel printk: fix kmsg_dump_get_buffer length calulations 2021-01-27 11:55:08 +01:00
lib iov_iter: fix the uaccess area in copy_compat_iovec_from_user 2021-01-27 11:55:09 +01:00
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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 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.