tree c3a378cdde1e9b548a253beeb36aa9d72eef3ff4
parent cd38d209689ee3ee61fcd58b1bc54ec3481fe804
author Ethan Chen <intervigil@gmail.com> 1433702070 -0700
committer Tim Zimmermann <tim@linux4.de> 1702964690 +0100
gpgsig -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEuwYxAyE4TRnuhLgPbcIaY/gZxe8FAmWBLdIACgkQbcIaY/gZ
 xe+FYw/+IIhPmM+poZpaKJhC9j9YyTJjFJZMVezRhAVP/tz0i+ZmsEoyjTVC+SsG
 giwQYICfyqrUQdyyAz9H9BSkWfP48rp3ZRtN0XllqNyFRhoFwBjCagZuUXE6O6En
 7wEA6u02+wyf/GhPYMocU5LANEQa7JDNeGSuBy958feImPqsFllIPlbwNZzPkfKB
 rLKDjtU++PyNztvVSA4Pd+fbgCo+jfNlT9DO8wrGedJhtaBIgADnft5l3fR+kKLC
 hDS7Fbx+V1rGcayAxerh3ychdvbhdkO8XnXWgCbID/rrtMWSNhsm4Ze0EyN0KbRi
 DfVmFVL/m1ax2BTLMip1sRMvcsiCC0FNF3GzxtrIgvK+++0baBm46xwjwvILn4mX
 OeWFk0RZvpfqJaO2sz/qmWaQq7Sqq3YUwcK4pxiFYTB3/XueKFm7BUjkwJzcFuex
 0iB7IF5Ro/kB/babaZY8XHhaup8iOiElmtlO24r2Rm2sX5r+QVapp+ETAHgE1PkK
 8hkiTJvlhtLveuXe3/+dc9nQU0yEHlDyyQeo4536tPLpy3lm5DauCwATMXIGFmNG
 XfrOZQq8wRXDh/XtXlOtzNFfPOM2ZLSeP7oIPLzhA0HgqDp3Ll28T+3eTdhPyczH
 61VwOcG8LrnqtfZlVBhtBFOXLV9H9Wskv4QGIz3R0J894AsjZSo=
 =wdyp
 -----END PGP SIGNATURE-----

audio: Add audio amplifier HAL

This is a squash of the following commits.

Author: Ethan Chen <intervigil@gmail.com>
Date:   Fri, 03 Jul 2015 21:35:30 -0700
    audio: Notify amplifier HAL of device enable/disable
    Change-Id: Ice808c9b55a9e3bc8bafe5ca3ff555377d38dd8f

Author: Scott Mertz <scott@cyngn.com>
Date:   Fri, 11 Sep 2015 12:09:06 -0700
    amplifier: add set_parameters method
    - audio hal should pass the audio_device parameters to the amplifier
      to allow the amplifier to make decisions based on the additional
      parameters.  For example, we may want to change settings for DTS
      TrueMedia use case.
    Change-Id: Iccf6ef7ced2abd2e12e857eea8e580cda15eec04

Author: Scott Mertz <scott@cyngn.com>
Date: Wed, 21 Oct 2015 10:11:49 -0700
    audio_amplifier: fix compilation
    stdlib.h is needed explicitely with the new
    toolchain/toolchain options.
    Change-Id: I876041828310ec8f9fb1e0d636a38cce1977d9b9

Author: Ethan Chen <intervigil@gmail.com>
Date: Fri, 15 Jan 2016 16:12:39 -0800
    amplifier: Fix compilation warning
    * Forward declare str_parms
    Change-Id: Iafb0ad8e4b0696807cfe568d0f89ce5dad6bcade

Author: codeworkx <daniel.hillenbrand@codeworkx.de>
Date:   Sat Mar 24 21:30:34 2018 +0100
    audio_amplifier: add hooks for stream parameter manipulation
    This allows to modify audio parameters before the first
    device selection happens which is necessary when setting ANC parameter
    since it must happen before audio hal hits voice_start_call() and
    selects devices. If setting ANC after stream has been started it will
    trigger a re-selection of devices and cause a short downtime.
    Change-Id: Icfddab5ce27235c1567a0557e63b3a7421778187

Author: Pig <pig.priv@gmail.com>
Date:   Tue Sep 22 21:41:59 2020 +0800
    audio_amplifier: Add new hook for setting amp feedback
    Change-Id: Ied5e1ccecd1eec39522055b9fdcfb21f8c101670

Author: Alexander Koskovich <akoskovich@pm.me>
Date:   Sun Jul 31 12:12:39 2022 -0700
    libhardware: audio_ampifier: Fix compile
     * Compiled as apart of vendor-snapshot, so need to
       make sure it compiles.
    Change-Id: Iae8a50a440e5cdc3c89a2e752e86adccbb50a506

Author: Luofan Chen <clfbbn@gmail.com>
Date:   Wed Aug 17 15:38:41 2022 +0800
    audio_amplifier: Add hook for amplifier calibration
    Sometimes the amplifier will need to do calibration and fw download
    on the very first boot. For example, it will need to load calibration
    files from another partition, download calibration firmware to the
    amplifier and play silence sound for some seconds.
    While the current interface, amp_module_open, is able to handle most
    of the operations mentioned above, it is not able to allow the HAL
    to play silence sound, because it cannot get the needed audio_device,
    or adev, it is not able to enable the snd device, and write silence
    pcm data using pcm_write interface.
    This change adds an interface to allow the audio_amplifier HAL to
    calibrate the amplifier. It passes the required audio_device struct
    to audio_amplifier as a parameter, and is called after opening the
    audio_amplifier module.
    Change-Id: I9d497fb5d9716bbcbc6ef9035205ee18da994e72

Change-Id: I0473143057d542c8fa0a3ec4a67ce277900badbe