Date: Tue, 22 Nov 2005 10:13:43 +0100 (CET)
From: "Hans Verkuil" <[EMAIL PROTECTED]>
> At 10:57 PM 11/21/2005, you wrote:
>
>>On Tuesday 22 November 2005 00:47, illie wrote:
>>> At 01:24 PM 11/21/2005, you wrote:
>>> >On Monday 21 November 2005 19:41, illie wrote:
>>> >> I have no sound on some channels through the tuner with 0.4.0. I
>>> >> have the recommended firmware files, I've made sure to do full
>>> >> cold reboots after changing drivers, firmware, etc. Made sure that
>>> >> only ivtv versions of modules are loading and that there aren't
>>> >> any old versions around. I don't have any other capture cards in
>>> >> the machine, and the motherboard is an SIS chipset.
>>Sorry, wrong option, try this:
>>
>>ivtvctl -g reg=0x808,val=0x1f
>
> Yep, that fixes it! But it loses audio on channel change, so the command
> has to be repeated.
Can you make a ticket for this problem? (See ivtvdriver.org/trac)
I have to think how to implement this correctly so it may take some time
before it is fixed in the driver. This is really a workaround for what is
apparently (according to Hauppauge) a hardware bug.
Is this likely to work on a 250 as well? And if so, and I have
multiple 250's, I assume I'll have to use -d to set it for each
device? (And, if all of these are true, where's the channel-changing
script so I can force this to happen before every channel change?)
[I very often get no audio on channel 2. I've manually scanned though
all the rest of the channels (typical 125-channel cable setup) and
they all have audio. While I was doing this just now, ch2 audio came
back, and now it won't go away, so I'm not sure how to debug the
situation until it goes away again, but I'd like to have some
additional information for when that happens. Are there any logfiles
that would be particularly helpful to save for later inspection?
Commands I should run (like dumping registers with ivtvctl -G, or
something like that)? This is all with ivtv 0.4.0 under MythTV 1.18.1
in Ubuntu Breezy, in case it matters, with ivtv installed via the
instructions at http://www.abarbaccia.com/content/view/19/33/ and
MythTV via the multiverse packages.]
Btw, ivtvctl -G right now claims that register 0x808 (which I'm
assuming is the entry on line 0080, under colum 08) is f0, not 1f,
though I've got audio on ch2 right now.
Thanks!
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