[alsa-devel] [patch][saa7134] do not change mute state for capturing audio

Mauro Carvalho Chehab mchehab at infradead.org
Sat Sep 24 14:48:37 CEST 2011

Em 24-09-2011 09:36, Stas Sergeev escreveu:
> 24.09.2011 16:12, Mauro Carvalho Chehab wrote:
>> The scan audio logic only enables multiple audio standard detection if the userspace
>> application tells it to do.
> No: the _first_ scan is done on the driver init.
> It is a multi-standard one, and a long one, too.
> Do we need it at all? It seems to me the results
> of that scan are not even used, or what am I
> missing?

A first scan at driver's init can be removed, IMO. The thing is that
newer versions of udev will open the device, to do a VIDIOC_QUERYCAP.
Not sure if this will wake up the tvaudio kthread to do a scan.


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