At Sat, 25 Apr 2009 17:41:23 +0100, maarten van es wrote: > > >>> > >>> And what about the sample format? I looked at the drivers; the two > >>> sound cards do not have a common sample format. > >>> > >>> > >>> Best regards, > >>> Clemens > >>> > >> > > > > Thanks, the problem was indeed that I was setting hwparams that are > > not supported by the card. I do think salsa lib could return a more > > relevant error than "operation not permitted" and I'll see if I can > > come up with something for that. > > Right now though I am trying to figure out what snd_pcm_writen needs > > for its second parameter, void** bufs. I get the error "bad address" > > when passing in an array of pointers to a malloc-ed space big enough > > to hold a channels' worth of data. Sorry if I am missing obvious > > documentation about this, but what should I pass for this parameter? > > > > Regards > > Maarten > > > > Hi again, > > Ok, now I finally got everything working and am asking the following > mostly out of curiosity. The problem I had with snd_pcm_writen by the > way has to do somehow with using a chroot environment; everything > works when directly booting into the uclibc / salsa system. For it to > work I need to add "irqpoll" to the kernel boot options. Without this, > the card does not start playing (though no error messages from salsa) > and after a few seconds the kernel tells me to add irqpoll to the boot > options. On a glibc / alsa based system everything works fine without > this option as it does with a c-media card with salsa. What does it do > and why is it needed with the hdsp 9632 on a system with salsa? It must be a coincidence that the driver works with alsa without irqpoll option, then. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
