Ubuntu
alsa-driver package

Where is the source of the usb drivers?

Asked by LCID Fire

I have the alsa-source installed - but the directory usb does not contain driver code. Since I want to write a alsa usb driver I wonder where to find example code.

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Ubuntu alsa-driver Edit question
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Solved by:
Cesare Tirabassi
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Best Cesare Tirabassi (norsetto) said : 		#1

To obtain the USB driver source code for your kernel version you should download the appropriate Ubuntu linux kernel source package. For instance if you have 2.6.20-15-generic you should download the package linux-source-2.6.20
For the unpatched original linux modules code, your best bet would be kernel.org

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LCID Fire (lcid-fire) said : 		#2

Thanks Cesare Tirabassi, that solved my question.

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LCID Fire (lcid-fire) said : 		#3

Ok, I thought that every sound module is handled by an own sourcecode - but obviously the one is handling all.