Meng Wang 73b10269ae ANDROID: GKI: ALSA: PCM: volume API implementation
Introduced a new helper function snd_pcm_add_volume_ctls() to
create control elements representing the volume for each PCM
(sub)stream.

This patch also squashes the logic implemented by below change-

ASoC: Fix freed memory access of pcm stream kctl

Consider sound card instantiate fails due to
audrx init failure. In such case, all dais/ctls
are de-registered and freed. But as part of it,
access to unregistered ctls for pcm_chmap and similar
controls result in crash.  Ctls are freed at disconnection
but the disconnect is called only when it was registered.

Bug: 151372815
Test: build
CRs-Fixed: 1038054
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
Signed-off-by: Damir Didjusto <damird@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>
(cherry picked from commit cb09747101a64864f3d852dc31c775a7a1ed79f7)
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Change-Id: I0c1f206f2e17fc1746eb83fab0e9b0ce379a5beb
2020-03-23 12:21:04 -07:00
2020-03-21 08:37:27 +01:00
2020-03-03 07:33:01 +01:00
2020-03-21 08:37:27 +01:00
2020-03-21 08:37:27 +01:00
2020-02-24 09:13:25 +01:00
2020-03-03 07:33:01 +01:00
2020-03-21 08:37:27 +01:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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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