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Date: Mon, 27 Oct 2014 11:11:06 +0100
From: Hans Verkuil <hverkuil@xs4all.nl>
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To: Christopher.Neufeld@cneufeld.ca, linux-media@vger.kernel.org
Subject: Re: VBI on PVR-500 stopped working between kernels 3.6 and 3.13
References: <201410252315.s9PNF6eB002672@cneufeld.ca> <544C8BAC.1070001@xs4all.nl> <201410261210.s9QCAQBD012612@cneufeld.ca>
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On 10/26/2014 01:10 PM, Christopher Neufeld wrote:
> Hello Hans,
> 
> On Sun, 26 Oct 2014 06:50:36 +0100, Hans Verkuil <hverkuil@xs4all.nl> said:
> 
>>> The script that I use to set up captions invokes this command:
>>> v4l2-ctl -d <DEV> --set-fmt-sliced-vbi=cc --set-ctrl=stream_vbi_format=1
>>>
>>> This now errors out.  Part of that is a parsing bug in v4l2-ctl, it wants
>>> to see more text after the 'cc'.  I can change it to 
>>> v4l2-ctl -d <DEV> --set-fmt-sliced-vbi=cc=1 --set-ctrl=stream_vbi_format=1
> 
>> This is a v4l2-ctl bug. I'll fix that asap. But using cc=1 is a valid workaround.

Fixed this in the v4l-utils git repository. This is now working again as
expected. This reason this worked in the past was a case of two bugs canceling
one another out.

After fixing one bug, parsing this option no longer worked.

Regards,

	Hans