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f6581c0e5d
Instead of parsing and evaluating the sync endpoint and the implicit feedback mode at each time the audio stream is opened, let's parse it once at the probe time, as the all needed information can be obtained statically from the descriptor or from the quirk. This patch extends audioformat struct to record the sync endpoint, interface and altsetting as well as the implicit feedback flag, which are filled at parsing the streams. Then, set_sync_endpoint() is much simplified just to follow the already parsed data. Tested-by: Keith Milner <kamilner@superlative.org> Tested-by: Dylan Robinson <dylan_robinson@motu.com> Link: https://lore.kernel.org/r/20201123085347.19667-9-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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.