Re: DMA IRQ, or How To Prevent ipaq-sleep, From Suspending A Zaurus Playing Music
Francesco Marchetti-Stasi <[email protected]> Mon, 18 Sep 2006 09:05:09 +0200
| Newsgroups | gmane.comp.handhelds.openzaurus.user |
|---|---|
| Message-ID | <[email protected]> |
Justin Patrin <[email protected]> wrote: >> > > >> > > Just set IRQ = 18 in /etc/ipaq-sleep.conf and it won't suspend >> while you >> > > play music. I was only wanting to check whether there may be >> unwanted >> > > consequences... >> > > >> > >> > No, I got that part. It just seems strange to use the DMA interrupt >> > for this as DMA is used by other things, at least on a normal machine. >> > >> >> On my spitz /proc/interrupts shows 18 as pxa2xx-i2c. RP confirms that >> i2c is only for audio so using it for audio checking in ipaq-sleep >> should be fine. :-) >> > > Except it isn't...I set IRQ = 18 and started up ipaq-sleep and it > happily suspends my Zaurus after X minutes without regard to playing > audio. :-P > Yes, on my boxer pxa2xx-i2c is on IRQ 11, and I have exactly the same results: IRQ 11 does not work to rpevent suspending, IRQ 18 (DMA) does... FMS ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642