[mythtv-users] Where do I find documentation on these modules?

[Douglas Peale]

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On 05/02/2010 02:11 PM, Douglas Peale wrote:
> I'm looking for documentation on the following modules:
> cx8800
> cx88Sdvb
> nxt200x
> cx88_alsa
> tuner
> tuner_simple
> tuner_types
> tda9887
> tda8290
> 
> I have a script from Harry Orenstein that messes with these, and gets the analog tuner to sort of work, but I don't know what the script is doing.
> (it uses options that are not documented with modprobe)
> At the moment, it allows me to scan for channels, but viewing liveTV with the analog tuner, I get about 1 second of video before the
> picture freezes, goes black and/or starts flikering garbage every time I start viewing, or change channel.

After a bunch of googling, I happened on a thread that mentioned "modinfo"
With that, I can at least get a listing of options for the modules. Unfortunately, it does not explain what the options do.
For example

$ modinfo cx88_alsa
filename:       /lib/modules/2.6.32-22-generic/kernel/drivers/media/video/cx88/cx88-alsa.ko
license:        GPL
author:         Mauro Carvalho Chehab <mchehab at infradead.org>
author:         Ricardo Cerqueira
description:    ALSA driver module for cx2388x based TV cards
srcversion:     F9E11ADA4E7D84EB0B44F96
alias:          pci:v000014F1d00008811sv*sd*bc*sc*i*
alias:          pci:v000014F1d00008801sv*sd*bc*sc*i*
depends:        videobuf-dma-sg,cx88xx,snd-pcm,snd,btcx-risc
vermagic:       2.6.32-22-generic SMP mod_unload modversions
parm:           enable:Enable cx88x soundcard. default enabled. (array of bool)
parm:           index:Index value for cx88x capture interface(s). (array of int)
parm:           debug:enable debug messages (int)

index: Index value for cx88x capture interface(s). (array of int)
tells me I can set index to an array of ints, and that they are index values for cx88x capture interface(s),
but I have no idea what an index value for cx88x capture interface(s) are.

Where can I find out?
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