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OMAP Blaze_AIC tablet audio from GSM to Bluetooth.

Hi

We checked the OMAP4 AIC3262 Audio system architecture given in this link 

http://omappedia.org/wiki/File:OMAP4_AIC3262_Audio_system_architecture.PNG

in this diagram BT is connected with MCBSP.1 and 3G GSM connected with MCBSP.2 as per this diagram if we happen to have voice call from Bluetooth headset in the sense the data path is 

GSM_I2S <--> MCBSP.2 <--> MCBSP.1 <--> BT_I2S

Its clearly showing that audio data bypassing between MCBSP.2 and MCBSP.1. How they bypassing the audio data from one MCBSP to another MCBSP?

Because i need to bypass the audio signal between MCASP in AM335x processor. regarding this i have following questions.

1. How the audio signal bypassing between MCBSP inside the OMAP?

2. It can be done in MCASP inside the AM335x?

3. If it can be done how to bypass the MCASP channel inside the AM335x? 

Thanks.