On Wed, 2008-08-06 at 22:32 +0200, Sebastian Buks wrote:
> I have a problem that hasn't been here all the time. I think it
> happened when I upgraded from Ubuntu 7.10 to 8.04. However this might
> be wrong. Reverting the kernel (and thus the driver doesnt give
> anything). When I check my devices I see that tuner1 has no audio
> detected while tuner0 has it. Video works fine on both devices. I have
> no clue on why suddenly one of the tuners not detecting the audio
> stream.
>
> I read back on the list and found at least one other thread where
> similar things happened but the thread was suddenly stopped and no
> more information was given. Here are my "v4l2-ctl --log-status -d 0"
> and "v4l2-ctl --log-status -d 1":
>
> Hope anyone can help me on this, right now I'm stuck with only one
> tuner...
I had the issue where after a year of working perfectly, one of my
tuners started not getting audio. Then several months later the other
did the same. My fix was to add the following to /etc/rc.d/rc.local:
ivtvctl -d /dev/video0 -q1
ivtvctl -d /dev/video1 -q1
I did it for the first tuner with issues, and just duplicated it when
the other developed the same issue.
I'm on old drivers (as long as it works, I don't upgrade), so maybe the
options have changed, but for the version I have here, -q does:
-q, --set-audio-input=<num>
set the current audio input to <num> [VIDIOC_S_AUDIO]
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