On Thu, Apr 06, 2000 at 06:23:28PM +0200, Tomasz Motylewski wrote:
> On Wed, 5 Apr 2000, David Schleef wrote:
> > On Thu, Apr 06, 2000 at 01:46:01PM +0900, JunHyeok Heo wrote:
>
> > > The BIOS of my PC allocates the same irq number to
> > > the video capture card and the on-board sound device.
> > > Is it possible to share the same interrupt between the RTL driver
> > > and the plain linux driver ?
>
> > Nope. Move the card to a different slot, and hope your motherboard
> > manufacturer wasn't stupid. I've seen motherboards where _every_
> > slot was mapped to IRQ 9.
>
> Well, I would say it should be possible. In the RT ISR check whether the
> interrupt was from the frame grabber, if not trigger the soft interrupt
> which will be then serviced by ALSA. Take care about cases when both devices
> generate interrupts.
>
Interrupts to the framegrabber will be blocked during the sound card
ISR.
dave...
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