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35acf6d7e8
commit 82937056967da052cbc04b4435c13db84192dc52 upstream.
The UMP Function Block info m1.0 field (represented by is_midi1 sysfs
entry) is an enumeration from 0 to 2, while the midi2 gadget driver
incorrectly copies it to the corresponding snd_ump_block_info.flags
bits as-is. This made the wrong bit flags set when m1.0 = 2.
This patch corrects the wrong interpretation of is_midi1 bits.
Fixes: 29ee7a4ddd ("usb: gadget: midi2: Add configfs support")
Cc: stable@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20241127070213.8232-1-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.