On 07/17/2013 06:54 PM, m.roth@xxxxxxxxx wrote:
[snip]
> Have you tried with mplayer? Do the export, then:
> mplayer tv:// -tv driver=v4l2:device=/dev/video0:width=320:height=240
Mplayer complained about some missing vdpau lib so that did not work out
but I tried svv from moinejf.free.fr and got the same results as
previously described.
> and see what you see. The idea is to try a different viewer.
>>
>> >From digging in my mail archives the error in /var/log/messages was:
>> Jan 3 17:37:10 luna kernel: [ 7358.087971] gspca: ISOC data error: [62]
>> len=0, status=-71
>>
>> That was on Fedora 14 with kernel 2.6.35.10-74.fc14.x86_64 and the id of
>> the webcam is: Logitech Orbicam 046d:0896
>>
>> The patch that fixed it is:
>>
>> $ cat gspca-sensor.patch
>> diff -uNr gspca-2.13.3.org/build/vc032x.c gspca-2.13.3/build/vc032x.c
>> --- gspca-2.13.3.org/build/vc032x.c 2011-01-15 09:46:40.000000000 +0100
>> +++ gspca-2.13.3/build/vc032x.c 2011-07-28 18:16:41.138640918 +0200
>> @@ -3716,9 +3716,9 @@
>>
>> sensor = vc032x_probe_sensor(gspca_dev);
>> //vish
>> -// if (sd->sensor == SENSOR_POxxxx
>> -// && sensor == SENSOR_PO3130NC)
>> -// sensor = sd->sensor;
>> + if (sd->sensor == SENSOR_POxxxx
>> + && sensor == SENSOR_PO3130NC)
>> + sensor = sd->sensor;
>>
>> switch (sensor) {
>> case -1:
>
> Hmmmm, I'm a bit confused: it looks as though the commented out lines are
> identical to the new lines; and as there's no + in front of it, it looks
> as though the statement to set sensor was there before... so I don't get
> the difference.
I can see the plusses fine but maybe something got mangled so here's
what is prepended with a "+":
if (sd->sensor == SENSOR_POxxxx
sensor == SENSOR_PO3130NC)
sensor = sd->sensor;
Just checked git.linuxtv.org where the latest vc032x.c code lives and it
has changed such that this patch no longer applies. My C foo is not at
kernel driver level so I'll leave it at that and just use one of the
webcams in my bag.
Regards,
Patrick
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