Re: [GIT PATCHES FOR 2.6.36] Fix msp3400 regression causing mute audio

[Shane Shrybman <shrybman@teksavvy.com>]

On Sun, 2010-10-17 at 12:43 +0200, Hans Verkuil wrote:
> Hi Mauro,
> 
> I hope you can fast-track this to Linus! It's a nasty regression. From the log:
> 
> "The switch to the new control framework caused a regression where the audio was
> no longer unmuted after the carrier scan finished.
> 
> The original code attempted to set the volume control to its current value in
> order to have the set-volume control code to be called that handles the volume
> and muting. However, the framework will not call that code unless the new volume
> value is different from the old.
> 
> Instead we now call msp_s_ctrl directly.
> 
> It is a bit of a hack: we really need a v4l2_ctrl_refresh_ctrl function for this
> (or something along those lines).
> 
> Thanks to Andy Walls for bisecting this and to Shane Shrybman for reporting it!"
> 
> I've tested this with my PVR-350 and the audio is now working properly again.
> 

I've done a quick test of this patch on 2.6.36-rc8 and confirm it fixes
the no audio issue.

Thanks very much Andy and Hans.

Shane