Kai-Heng Feng 26a6452b27 ALSA: hda/realtek: Enable front panel headset LED on Lenovo ThinkStation P520
commit f73bbf639b32acb6b409e188fdde5644b301978f upstream.

On Lenovo P520, the front panel headset LED isn't lit up right now.

Realtek states that the LED needs to be enabled by ALC233's GPIO2, so
let's do it accordingly to light the LED up.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Hui Wang <hui.wang@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200914070231.13192-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-01 13:18:22 +02:00
2020-10-01 13:18:22 +02:00
2020-10-01 13:18:21 +02:00
2019-09-22 10:34:46 -07:00
2019-11-10 13:41:59 -08:00
2020-09-26 18:03:16 +02:00

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.
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