Re: [rfc] i810_audio: offset LVI from CIV to avoid stalled start

[Herbert Xu]

On Mon, Jan 17, 2005 at 04:44:22PM -0500, John W. Linville wrote:
> 
> Enemy Territory is available for free (as in beer) download from
> www.enemy-territory.com.  Sound plays almost immediately once the
> game is started.
> 
> Is this sufficient?

Sure, I don't mind trying it out :)

In the mean time, does this patch fix your problem as well?

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]>
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===== sound/oss/i810_audio.c 1.76 vs edited =====
--- 1.76/sound/oss/i810_audio.c 2005-01-08 16:44:18 +11:00
+++ edited/sound/oss/i810_audio.c       2005-01-18 10:20:42 +11:00
@@ -1196,18 +1196,21 @@
        if (count < fragsize)
                return;
 
+       /* MASKP2(swptr, fragsize) - 1 is the tail of our transfer */
+       x = MODULOP2(MASKP2(dmabuf->swptr, fragsize) - 1, dmabuf->dmasize);
+       x >>= dmabuf->fragshift;
+
        if (!dmabuf->enable && dmabuf->ready) {
                if (!(dmabuf->trigger & trigger))
                        return;
 
+               I810_IOWRITEB(x, state->card, port + OFF_LVI);
                start(state);
                while (!(I810_IOREADB(state->card, port + OFF_CR) & ((1<<4) | 
(1<<2))))
                        ;
+               return;
        }
 
-       /* MASKP2(swptr, fragsize) - 1 is the tail of our transfer */
-       x = MODULOP2(MASKP2(dmabuf->swptr, fragsize) - 1, dmabuf->dmasize);
-       x >>= dmabuf->fragshift;
        I810_IOWRITEB(x, state->card, port + OFF_LVI);
 }