On 19 May 2003 at 18:34, Takashi Iwai wrote: > > Our cards have no interrupts, and no DMA (...yet. The next one > > probably will) so they must be polled. > > hmm, no interrupts at all? > > > Based on the dummy driver, I am using a timer to do the polling. So > > far, it does play audio, but often crashes or locks the machine > > solid with a kernel panic. > > perhaps the interrupt takes too long time? > for a pseudo-DMA transfer, tasklet may be a better choice.
Takashi, can you expand on this? Is there an example of a tasklet being used for pseudo DMA? I'm afraid I don't know enough to write code based on your brief suggestions. thanks Eliot Eliot Blennerhassett AudioScience Inc. -- Junk footer beyond this point. Read at your own risk. ------------------------------------------------------------- Sign up for ICQmail at http://www.icq.com/icqmail/signup.html ------------------------------------------------------- This SF.net email is sponsored by: ObjectStore. If flattening out C++ or Java code to make your application fit in a relational database is painful, don't do it! Check out ObjectStore. Now part of Progress Software. http://www.objectstore.net/sourceforge _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
