David Liontooth wrote:
> Hans Verkuil wrote:
>
>> On Wednesday 27 August 2008 02:23:45 David Liontooth wrote:
>>
>>
>>> On a Debian sid running kernel.org's 2.6.26, I installed five WinTV PVR500
>>> units. The first nine "encoder MPG" devices are numbered
>>> consecutively 0 through 8. The ninth, as you can see below, gets confused:
>>> ivtv9 "Registered device
>>> video10 for encoder MPG", yet also "Registered device vbi9 for encoder VBI".
>>>
>>>
>> With more than eight devices the numbering goes off. Basically the
>> encoder PCM numbering bumps into the range of the encoder YUV devices,
>> so at that point it starts using the first free numbers.
>>
>> Can't do anything about that, I'm afraid.
>>
>>
> Thanks, I see how it works. Can I renumber the devices using module
> parameters? My scripts assume the mpg and vbi devices have the same number.
>
Ian Campbell, the Debian maintainer of ivtv-utils, suggested a
workaround using udev; I've added the following, which creates device
node symlinks.
It solves my problem and lets me use the same scripts for experimenting
with raw capture.
Cheers,
Dave
# /etc/udev/rules.d/ivtv.rules
BUS=="pci", KERNELS=="0000:03:08.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg0"
BUS=="pci", KERNELS=="0000:03:09.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg1"
BUS=="pci", KERNELS=="0000:04:08.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg2"
BUS=="pci", KERNELS=="0000:04:09.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg3"
BUS=="pci", KERNELS=="0000:05:08.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg4"
BUS=="pci", KERNELS=="0000:05:09.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg5"
BUS=="pci", KERNELS=="0000:06:08.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg6"
BUS=="pci", KERNELS=="0000:06:09.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg7"
BUS=="pci", KERNELS=="0000:07:08.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg8"
BUS=="pci", KERNELS=="0000:07:09.0", ATTR{name}=="ivtv* encoder MPG",
SYMLINK+="video/mpg9"
BUS=="pci", KERNELS=="0000:03:08.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv0"
BUS=="pci", KERNELS=="0000:03:09.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv1"
BUS=="pci", KERNELS=="0000:04:08.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv2"
BUS=="pci", KERNELS=="0000:04:09.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv3"
BUS=="pci", KERNELS=="0000:05:08.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv4"
BUS=="pci", KERNELS=="0000:05:09.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv5"
BUS=="pci", KERNELS=="0000:06:08.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv6"
BUS=="pci", KERNELS=="0000:06:09.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv7"
BUS=="pci", KERNELS=="0000:07:08.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv8"
BUS=="pci", KERNELS=="0000:07:09.0", ATTR{name}=="ivtv* encoder YUV",
SYMLINK+="video/yuv9"
BUS=="pci", KERNELS=="0000:03:08.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm0"
BUS=="pci", KERNELS=="0000:03:09.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm1"
BUS=="pci", KERNELS=="0000:04:08.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm2"
BUS=="pci", KERNELS=="0000:04:09.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm3"
BUS=="pci", KERNELS=="0000:05:08.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm4"
BUS=="pci", KERNELS=="0000:05:09.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm5"
BUS=="pci", KERNELS=="0000:06:08.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm6"
BUS=="pci", KERNELS=="0000:06:09.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm7"
BUS=="pci", KERNELS=="0000:07:08.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm8"
BUS=="pci", KERNELS=="0000:07:09.0", ATTR{name}=="ivtv* encoder PCM",
SYMLINK+="video/pcm9"
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