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2b987fe844
The headphone mic is not working on Dell Latitude laptops with ALC3254. The codec vendor id is 0x10ec0295 and share the same pincfg as defined in ALC295_STANDARD_PINS. So the ALC269_FIXUP_DELL1_MIC_NO_PRESENCE will be applied per alc269_pin_fixup_tbl[] but actually the headphone mic is using NID 0x1b instead of 0x1a. The ALC269_FIXUP_DELL4_MIC_NO_PRESENCE need to be applied instead. Use ALC269_FIXUP_DELL4_MIC_NO_PRESENCE for particular models before a generic fixup comes out. Signed-off-by: Chris Chiu <chris.chiu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20211001062856.1037901-1-chris.chiu@canonical.com 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.