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Ryan Bavetta c2bdc551f0 Adds sound model update event, adds helper methods 
Change-Id: Ifb03843a51a796e1fdb224d4671a52f84b4fceed
2016-02-15 15:51:46 -08:00
..
audio Fix build error on 64-bit 2015-03-23 10:53:55 -07:00
audio_remote_submix Remove TimedAudioTrack and associated code 2016-01-25 13:43:58 -08:00
camera Camera: Fix Metadata static info intialization 2015-11-17 09:46:40 +01:00
consumerir Add missing includes. 2015-01-29 21:19:10 -08:00
fingerprint Fingerprint: Avoid passing structures where simple types should suffice. 2015-06-10 14:10:47 -07:00
gralloc Adjust gralloc to SwiftShader's requirements. 2015-10-05 17:12:46 -04:00
hardware_properties Added log declaration to hardware_properties.h 2016-01-26 18:45:46 +01:00
hwcomposer Add missing includes. 2015-01-28 19:54:13 -08:00
input Only log when actually receiving actual switch events. 2015-11-25 16:51:44 +00:00
local_time Add missing includes. 2015-01-29 21:19:10 -08:00
nfc Add missing includes. 2015-01-29 21:19:10 -08:00
nfc-nci Add missing includes. 2015-01-29 21:19:10 -08:00
power hardware/libhardware: convert LOCAL_MODULE_PATH to LOCAL_MODULE_RELATIVE_PATH 2014-01-24 21:00:32 -08:00
radio Merge "Add features for automotive usecases." 2015-11-05 21:20:25 +00:00
sensors Remove header from LOCAL_SRC_FILES 2016-02-01 19:33:33 -08:00
soundtrigger Adds sound model update event, adds helper methods 2016-02-15 15:51:46 -08:00
tv_input tv_input: add signal detection flag to stream config 2015-11-30 16:36:48 +09:00
usbaudio Use FCC_2 and FCC_8 to highlight channel count assumptions 2016-01-05 10:44:16 -08:00
usbcamera Camera: Add HAL module init method. 2015-04-15 17:26:13 -07:00
vehicle vehicle hal update 2016-01-06 15:15:02 -08:00
vibrator Add missing includes. 2015-01-29 21:19:10 -08:00
vr Add HAL for VR mode. 2016-01-27 17:58:31 -08:00
Android.mk Add HAL for VR mode. 2016-01-27 17:58:31 -08:00
README.android auto import from //depot/cupcake/@135843 2009-03-03 19:32:14 -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 /system/libs/hw/ and have a well defined naming
convention:

    /system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.product.board>.so
    /system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.board.platform>.so
    /system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.arch>.so
    /system/libs/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/.