On 11/12/10 08:42, Radivoje Jovanovic wrote: > I am writing custom IOCTL calls for my card. I have made hwdep interface and > set ioctl ops call for it. But, now the question is which device I need to > open in my user space app to talk to correct ioctl? /dev/snd/hwC0D0 > I have tried /dev/snd/controlC0 > and /dev/snd/pcmC0D0p