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OMAP4:BLAZE:Android: Audio to sound both hdmi and headset simultaneously

Hi everyone!

I'm using jorjin raccoon board with android 4.2.2 .  I've been trying to modify code to let audio sound both hdmi and headset simultaneously. I've seen some thing like my issue in these links:

http://e2e.ti.com/support/omap/f/849/p/157534/1297904.aspx#1297904

http://e2e.ti.com/support/omap/f/849/t/208293.aspx

above links said: what need to make audio sound to both hdmi and heaset is modify code on audio hal ( audio_hw.c). But when I read this file, I don't see any thing related to hdmi. Instead, I found there is file hdmi_audo.c . two files in the same directory: /mydroid/device/ti/common-open/audio/ . I know, the modify maybe is pcm_open function with card variable.

Anyone tell me how to solve this issue.

Regard!