Hi guys:
I am a fresh man in the android and now I am working on a board that
using freescale imx51. We are porting the BSP from IMX51 EVK.
For this board, we change the audio codec from it's original audio
codec SGTL5000 to WM8758, so of course, the EVK audio driver could not work
on our board
We definitely will modify the audio driver for our new audio codec, but
currently we want to bypass this issue and boot the android without audio
feature.
But In fact, when we boot, the system will hang with the
"ANDROID" animation, after check with the logcat, we found the system is
waiting for the media.audio_policy, like this:
*
[20:20:25.974] I/SystemServer( 2041): Audio Service
[20:20:25.983] I/ServiceManager( 2041): Waiting for sevice
media.audio_policy...
[20:20:26.981] I/ServiceManager( 2041): Waiting for sevice
media.audio_policy...
[20:20:27.981] I/ServiceManager( 2041): Waiting for sevice
media.audio_policy...
[20:20:28.981] I/ServiceManager( 2041): Waiting for sevice
media.audio_policy...
[20:20:29.981] I/ServiceManager( 2041): Waiting for sevice
media.audio_policy...
[20:20:30.981] W/AudioSystem( 2041): AudioPolicyService not published,
waiting...
As the audio codec does not loaded successfully, the ALSA could not
found any audio device so the system hang here.
*
Does any one know how to disable the audio feature in the android?
With this question, I have one more question:
How to config to build one minimum Android? (Any configuration file
that we can modify?)
(for example: delete AUDIO feature/delete WIFI/delete Bluetooth/delete
all the google App/etc...)
Any comments is highly appreciated!! Thanks a lot
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