Re: [linux-uvc-devel] [RFC] Media controller entity information ioctl [was "Re: [patch] suggestion for media framework"]

[Oleksij Rempel <bug-track@fisher-privat.net>]

On 08.06.2012 04:46, Laurent Pinchart wrote:
> Hi Robert,
> 
> On Monday 04 June 2012 10:11:33 Robert Krakora wrote:
>> When you say "static" you mean items that are "well known" by the system by
>> reading a registry at initialization?
> 
> By static I mean items that are initialized at driver initialization time and 
> not modified afterwards. I don't think we should support adding/removing items 
> at runtime, at least in the first version.
> 
>> When a new device exposes functionality that necessitates the creation of a
>> new "static" item then how does the registry get updated to reflect this or
>> am I misunderstanding?
> 
> Item types should be defined in a kernel header and documented. If a driver 
> needs a new item types, the driver developer should add the new type to the 
> header and document it.

Hi Laurent,

what is your progress on this issue?

I was able to make video stream on my webcam work more stable by setting
"snd_usb_audio ignore_ctl_error=1". I think it is one of cases where
media framework should help.

-- 
Regards,
Oleksij