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Hi, We are designing a handheld television receiver for a future market. We are using Linux-2.6.11 OS in our Design. We are in the final stage. In our hardware we ...
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- 07-13-2006 #1
- Join Date
- Jul 2006
Problem in loading the CODEC Module
We are designing a handheld television receiver for a future market. We are using Linux-2.6.11 OS in our Design. We are in the final stage. In our hardware we are using Phillips UDA1341 Audio CODEC. For this CODEC we have written a driver which is using ALSA Architecture. The Driver is compiling successfully but when I am loading it itís showing ĎSome UNKNOWN Symbolsí. These all symbols are declared in the pcm.h and core.h(header files for ALSA architecture)header file and I have included the file in the driver. and the files(both pcm.h, core.h and pcm.c, init.c)are there in the Kernel.
Do let me know what is the problem. Why itís not loading the module?
Please help me out...
Tata Elxsi Ltd.
- 07-13-2006 #2
I have no idea about your problem...
But I try:
The problem is not produced by a missed include. It is produced in the linking stage. So, the symbols are defined and declared but a module is linked only against the kernel, so your kernel doesn't define (or exported) that symbols.
One of the things that can lead to this error is that you need to load a previous module (something like ALSA-core or similar) that provides these symbols. This is similar when you want to load a usb driver. The usb-core driver is needed to be loaded before.
- 07-17-2006 #3
I am loading it itís showing ĎSome UNKNOWN Symbolsí.Code:
- Join Date
- Jun 2006
- Pune (India)
see the man page of strip (strip - Discard symbols from object files.)
If you already did this then see for module dependency.
May this will help you