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78e8660e9d
[ Upstream commit601a5bc1ae] Both capture and playback alsa devices use subdevice 0. Yet capture-side ctls are defined for subdevice 1. The patch sets subdevice 0 for them. Fixes:02de698ca8("usb: gadget: u_audio: add bi-directional volume and mute support") Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Link: https://lore.kernel.org/r/20220105104643.90125-1-pavel.hofman@ivitera.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.