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John Grossman 47bf3d7ea5 Extend the audio HAL interface to support get/set master mute 
(cherry picked from commit d245968b7ef0be5c776c9aefff3eca9e293d1b35)

> Extend the audio HAL interface to support get/set master mute
>
> Hand merge from ics-aah
>
> > Extend the audio HAL interface to support get/set master mute: DO NOT MERGE
> >
> > Extend the audio HAL interface to allow HALs to optionally support HW
> > level master mute.  This follows the same pattern as master volume and
> > is part of the fix for bug 6828363.  Because of the divergences
> > between ICS and master, this change will need to be merged by hand.
> >
> > Signed-off-by: John Grossman <johngro@google.com>
> > Change-Id: Ica6f5e37e13d13dde60463966f41f271ffa104fd
>
> Change-Id: I5e7aea6d7da0012dcc077281f9077fc04cfb9889
> Signed-off-by: John Grossman <johngro@google.com>

Change-Id: I2011cc5bc41ca7081ce255a4bfba65f36f899bc4
Signed-off-by: John Grossman <johngro@google.com>
2012-08-07 15:59:07 -07:00
..
audio Extend the audio HAL interface to support get/set master mute 2012-08-07 15:59:07 -07:00
gralloc am 8405fe5a: am 1fbbb08d: Merge "remove seemed useless gralloc_open() call in fb_device_open()" 2012-06-12 15:18:23 -07:00
hwcomposer Add multi-display and flip fence to HWC 2012-08-07 12:26:59 -07:00
local_time Modifications to audio_hal for Android@Home. 2012-02-10 08:58:32 -08:00
nfc add i2c_device_address member to nfc_pn544_device_t 2012-03-09 08:51:15 -08:00
power remove triggering suspend from power hal 2012-05-03 19:01:02 -07:00
usbaudio Update USB audio HAL to use API 2012-04-24 16:46:24 -07:00
Android.mk usbaudio: add initial usbaudio default HAL 2012-04-12 22:48:10 -07:00
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/.