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DM365 Voice codec on Linux2.6.32 (ALSA1.0.21)

TIG
Intellectual 270 points

Hi

I want to use DM365 Voice codec  in Linux 2.6.32.

ALSA 1.0.21 is installed in Linux 2.6.32. 

The following are described on the web page of ALSA :

       Changelog between 1.0.22 and 1.0.23 releases

       sound: DaVinci: DM365: Voice Codec support for the DM365 EVM

So, Linux 2.6.32 doesn't support Voice Codec. (Cq93vc.c file doesn't exist.)

I tryed merging ALSA 1.0.23 in Linux 2.6.32.

But It could not put, because the software structure (structure member, Name of function…) was different according to Linux kernel version.

 

I tryed patch file. Voice codec driver appeared .

 But it became an error when the voice was encoded.

 

Please give me Voice codec on Linux2.6.32 information .