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platform_hardware_libhardware/modules
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jiabin d38a7b9807 Add volume control for AOSP USB audio HAL. am: 016fa2107c 
Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware/+/2419939

Change-Id: I3afef6641d042b8e2b06602462101c4adea715a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
2023-02-03 22:40:09 +00:00
..
audio [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
audio_remote_submix r_submix module: pipe size changes with sample rate 2022-02-02 08:27:24 -08:00
camera Merge "Use libgtest_prod_headers." 2021-04-28 20:53:30 +00:00
consumerir [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
fingerprint [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
gralloc Add GRALLOC_FRAMEBUFFER_NUM configuration 2021-12-09 09:09:25 +00:00
hwcomposer [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
input/evdev [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
local_time [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
nfc [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
nfc-nci [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
power [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
radio [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
sensors Merge "Modify a data structure into a union." am: 8e965d90de am: 9d6b418d6f 2022-11-03 02:30:27 +00:00
soundtrigger Fix sizeof warnings on unusual calloc 2022-12-09 12:41:40 -08:00
thermal [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
tv_input [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
usbaudio Add volume control for AOSP USB audio HAL. 2023-02-02 21:50:43 +00:00
usbcamera [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
vibrator [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
vr [LSC] Add LOCAL_LICENSE_KINDS to hardware/libhardware 2021-02-12 20:51:13 -08:00
Android.mk Convert to Android.bp 2017-12-27 11:05:29 -08:00
README.android Move default HAL libraries to vendor 2017-03-07 11:28:32 +08:00

README.android 

Default (and possibly architecture dependents) HAL modules go here. 


libhardware.so eventually should contain *just* the HAL hub
(hardware.c), everything in it should be rewritten as modules.

Modules are .so in /vendor/lib/hw/ and have a well defined naming
convention:

    /vendor/lib/hw/<*_HARDWARE_MODULE_ID>.<ro.product.board>.so
    /vendor/lib/hw/<*_HARDWARE_MODULE_ID>.<ro.board.platform>.so
    /vendor/lib/hw/<*_HARDWARE_MODULE_ID>.<ro.arch>.so
    /vendor/lib/hw/<*_HARDWARE_MODULE_ID>.default.so

They also have a well defined interface which lives in include/hardware/.

A module can have several variants: "default", "arch" and "board", and they're
loaded in the "board", "arch" and "default" order.
The source code for the "board" variant, usually lives under partners/...

The source code for "default" and "arch" would usually
live under hardware/modules/.