This patch adds a workaround for the Dallas chip; the chip tags
its 8bit formats with PCM8 but expects signed data.
--- drivers/usb/audio.c.origMon Oct 2 15:23:28 2000
+++ drivers/usb/audio.c Mon Nov 27 00:08:54 2000
@@ -89,6 +89,9 @@
* Somewhat peculiar due to OSS interface l
On Fri, Oct 13, 2000 at 09:16:36PM +0200, Erik Mouw wrote:
> On Fri, Oct 13, 2000 at 10:27:05AM -0700, Dunlap, Randy wrote:
> > How about trying latency_timer=10, which will apparently
> > show up as being 0 (since 10 is smaller than its
> > implemented granularity).
>
> That didn't help, but I f
On Fri, Oct 13, 2000 at 10:27:05AM -0700, Dunlap, Randy wrote:
> > I tried:
> >
> > setpci -s 00:07.2 latency_timer=20
> > setpci -s 00:07.2 latency_timer=40
> > setpci -s 00:07.2 latency_timer=80
> >
> > but without effect. However, the USB device doesn't have a latency
> > timer, so that
> > I don't know about the sound hickups you are hearing. Tom Sailer
> > suggested just a day or two ago something about changing the
> > latency for the USB controller by using setpci.
>
> I tried:
>
> setpci -s 00:07.2 latency_timer=20
> setpci -s 00:07.2 latency_timer=40
> setpci -s 00
On Fri, Oct 13, 2000 at 08:56:53AM -0700, Dunlap, Randy wrote:
> You shouldn't see the messages about bandwidth alloc
> increased|reduced unless you are running at console loglevel
> 7 or higher (KERN_DEBUG) (could be via Alt-SysRq-7).
> I'll see about removing them anyway.
I didn't see them on
> > > Only problem is that the sound has a lot of hickups and I
> get these
> > > messages in my syslog:
> >
> > I didn't see that. I think I _do_ have CONFIG_USB_BANDWIDTH
> enabled. What
> > else do you have connected and what else were you using at
> the time? Does
> > the kernel whinge?
On Fri, Oct 13, 2000 at 03:08:59PM +0100, David Woodhouse wrote:
> [EMAIL PROTECTED] said:
> > Only problem is that the sound has a lot of hickups and I get these
> > messages in my syslog:
>
> I didn't see that. I think I _do_ have CONFIG_USB_BANDWIDTH enabled. What
> else do you have connecte
[EMAIL PROTECTED] said:
> I had to patch it by hand into test10-pre2,
For the benefit of others who haven't yet tried it, you want this version
again test10-pre2:
Index: drivers/usb/audio.c
===
RCS file: /inst/cvs/linux/drivers/us
On Fri, Oct 13, 2000 at 01:07:52AM +0100, David Woodhouse wrote:
> On Thu, 12 Oct 2000, David Woodhouse wrote:
>
> > > * USB: system hang with USB audio driver {CRITICAL} (David
> > >Woodhouse, Randy Dunlap, Narayan Desai)
> >
> > That fixes failure mode #1, in which the NMI watchdo
On Thu, 12 Oct 2000, David Woodhouse wrote:
> > * USB: system hang with USB audio driver {CRITICAL} (David
> >Woodhouse, Randy Dunlap, Narayan Desai)
>
> That fixes failure mode #1, in which the NMI watchdog gets triggered and
> all subsequent attempts to open /dev/audio just block.
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