On Sunday 05 November 2006 20:15, Magnus Hoglund wrote:
> Hans Verkuil wrote:
> > For this I need to do more debugging into the msp3400 module. NICAM
> > is one of the few things I can't test as it isn't used here in the
> > Netherlands.
>
> I don't get sound for the channels with mono-audio either...
> Strangely audio is working on these channels when msp3400 is forced
> into nicam stereo...
>
> > There are two options: either go back to a pre-2.6.15 kernel
> > together with ivtv-0.4.7, or compile the 2.6.18 kernel yourself. In
> > the first case I'll supply patches against the msp3400.c from
> > ivtv-0.4.7, in the second case my patches are against the msp3400
> > sources in the kernel. I prefer the latter.
>
> I'm running a compiled gentoo-sources-2.6.18-r1 kernel, so patches
> for msp3400 in 2.6.18 is'nt a problem....
OK, please apply the attached patch to 2.6.18 (drivers/media/kernel).
Compile, install, load, etc. Don't use any debug options with the
msp3400 module.
Tune to a nicam channel, then run v4l2-ctl --log-status. Tune to a mono
channel and run it again. Then repeat the test when the msp3400 module
is loaded with the 'standard=8' option.
Mail me the output of the log-status for each of these four
combinations. This should give me a more detailed idea of what the chip
thinks is going on.
Thanks,
Hans
--- d.c 2006-11-05 20:29:16.000000000 +0100
+++ msp3400-driver.c 2006-11-05 20:32:45.000000000 +0100
@@ -772,6 +772,8 @@
v4l_info(client, "Routing: 0x%08x (input) 0x%08x (output)\n",
state->routing.input, state->routing.output);
v4l_info(client, "ACB: 0x%04x\n", state->acb);
+ v4l_info(client, "status: 0x%04x\n", msp_read_dem(client, 0x200));
+ v4l_info(client, "result: 0x%04x\n", msp_read_dem(client, 0x7e));
break;
}
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