[linux-dvb] Two card config question
philipp_subx at redfish-solutions.com
Mon Oct 31 05:12:02 CET 2005
Michael Krufky wrote:
> Jon Burgess wrote:
>> Philip Prindeville wrote:
>>> Michael Krufky wrote:
>>> install bttv0 /sbin/modprobe --ignore-install bttv && /sbin/modprobe
>>> dvb-bt8xx && /sbin/modprobe dst
>>> install bttv1 /sbin/modprobe --ignore-install bttv &&
>>> But that doesn't work... or at least, not automatically at boot. I
>>> have to run
>>> "modprobe bttv0" and then "modprobe bttv1"... I suppose there's an
>>> way to fix that, such as:
>> I think the reason it doesn't work is that the "modprobe bttv"
>> creates both the bttv0 & bttv1 devices, hence only one of your two
>> "install bttvX" lines ever gets executed. You could try having just a
>> single line which does everything:
>> install bttv /sbin/modprobe --ignore-install bttv && /sbin/modprobe
>> dvb-bt8xx && /sbin/modprobe dst && /sbin/modprobe cx88-dvb &&
>> /sbin/modprobe cx8800
> cx88-dvb depends on cx8802, which depends on cx8800 which depends on
> so, the && logic above is incorrect, and irrelevant... all that must
> be modprobe'd is cx88-dvb ... it will automatically load all of its
Still not clear... I was thinking about the "bttv" options... If one
invocations of bttv requires:
options bttv0 card=113 i2c_hw=1
but the other invocation of bttv requires:
options bttv1 card=112
(with no "i2c_hw=1" parameter), how does one break those out?
>> FWIW, I removed all my modprobe lines for the frontends of my budget
>> cards. There was a change made a while ago to the budget code which
>> forced it to load every supported frontend when the budget module is
>> loaded. Perhaps this change should be propagated to other card drivers?
> This is already the case. bttv is the analog driver, dvb-bt8xx is the
> DVB driver, and it automatically loads (bt878 and) all supported
> frontends EXCEPT dst.
>> If all else fails, just add the modprobe commands to the
>> /etc/rc.local file. These will be executed every reboot.
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