[pvrusb2] xawtv fix [was: firmware problems it seems]

[Jeff Sadowski]

yes that works now I have just one last issue 
.......
whats a good portable antena. lol

Mike Isely <isely at isely.net> wrote: On Sun, 9 Apr 2006, Mike Isely wrote:

>
> I've isolated the xawtv problem down to a specific revision in Subversion.
> I'm completely surprised by what I found.  Still working on the problem.

I just confirmed it, and never in a million years would I have guessed 
this as a cause.  Here's a fix you can try right now.  Edit 
pvrusb2-encoder.c and locate the line where CX2341X_ENC_SET_OUTPUT_PORT is 
being issued.  It should be around line 300 of the source file.  It's 
going to look like this:

  /* set stream output port. */
  ret |= pvr2_write_encoder_vcmd(hdw, CX2341X_ENC_SET_OUTPUT_PORT, 2,
            0x01, 0x02);

Change that last argument from 0x02 to 0x01, so that it looks like this:

  ret |= pvr2_write_encoder_vcmd(hdw, CX2341X_ENC_SET_OUTPUT_PORT, 2,
            0x01, 0x01);

Rebuild and replace the loaded module with the new version.  Make sure you 
unload the driver from memory first - hotplug won't automagically reload 
the driver.  When I do that, xawtv starts working again.

This setting had been "0x01" in the past but I had changed it to 0x02 
because the new model 24xxx series required it.  AND I considered it safe 
because I tested the old hardware with this setting while using mplayer. 
So I'm not convinced yet that this is the right solution.  This setting is 
a deep hardware "thing" and if xawtv would have been affected then I would 
have expected mplayer to fail as well but it hasn't.  Worse still, this 
still hasn't addressed the problem of xawtv running on new hardware, since 
in that case the setting would be in conflict.

I need to do more tests, however try the workaround above to get past the 
immediate problem.

Has anyone seen xawtv work properly using new (i.e. model 24xxx) hardware?

By the way, I am working to update the web pages now.  I was hoping to get 
something out for that tonight, but now this xawtv issue has center stage 
for the moment...

   -Mike

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