Writing a driver for Sound Card

Writing a driver for Sound Card

[Ramya Desai]

Dear All,

I am new to this Linux Sound driver architecture (ALSA). I developed a
few drivers in Linux kernel environment for PCI based devices which
are of type character and block. I am going through the following link
for writing a driver for my custom sound card.

http://www.kernel.org/pub/linux/kernel/people/tiwai/docs/writing-an-alsa-driver.pdf

I have a doubt about the Linux sound driver architecture. I need to
develop the driver with mixer, player, recorder, MIDI etc. components.
Do I need to develop these components in single driver OR Do I need to
develop as a individual component (one driver for one component).

I looked into the /usr/src/linux-2.6.35/sound directory. I did not
understand it completely. Is there any driver (sample) which I can go
through?

Please let me know.

Any help greatly appreciated and helpful to me.

Thanks and Regards,
Srinivas G

Re: Writing a driver for Sound Card

[@ 2010-11-23 23:27 UTC (permalink / raw)]

On 11/23/2010 01:21 PM, Ramya Desai wrote:
> Dear All,
> 
> I am new to this Linux Sound driver architecture (ALSA). I developed a
> few drivers in Linux kernel environment for PCI based devices which
> are of type character and block. I am going through the following link
> for writing a driver for my custom sound card.

your best bet might be to subscribe to the either linux audio
developers' mailing list or the alsa-devel list and re-post your
question there. this list tends to be mainly for maintenance and the
occasional trading of patches.

good luck with your project,

jörn