5 Jan
2008
5 Jan
'08
3:47 p.m.
On 05/01/2008, Ning Zhang ning.zhang06@gmail.com wrote:
Dear all, I wrote an alsa device driver for my arm_based platform. Then I cross compiled the alsa-lib-1.0.15, and build an application (static) with the lib. I build the driver in the kernel, so after the kernel booted, I can get these information:
I am having much the same problem!
You can test that the driver works by loading the oss emulation eg (one your module is loaded)
modprobe snd-pcm-oss cat /dev/urandom > /dev/dsp
You should then get continuous white noise.
I'd be very interested in the answer to your other questions though - this aspect of writing and installing a driver doesn't appear to be (well) documented anywhere.