[alsa-devel] [stable] [PATCH] ALSA: usb-audio: Assume first control interface is for audio

[Greg KH]

On Fri, Sep 10, 2010 at 06:15:44PM +0200, Daniel Mack wrote:
> On Thu, Sep 02, 2010 at 11:59:18AM +0200, Takashi Iwai wrote:
> > At Thu,  2 Sep 2010 17:13:15 +0800,
> > Daniel Mack wrote:
> > > 
> > > For devices with more than one control interface, let's assume the first
> > > one contains the audio controls. Unfortunately, there is no field in any
> > > of the descriptors to tell us whether a control interface is for audio
> > > or MIDI controls, so a better check is not easy to implement.
> > > 
> > > On a composite device with audio and MIDI functions, for example, the
> > > code currently overwrites chip->ctrl_intf, causing operations on the
> > > control interface to fail if they are issued after the device probe.
> > > 
> > > Signed-off-by: Daniel Mack <daniel at caiaq.de>
> > 
> > Applied now.  Thanks.
> 
> This went upstream now, thanks. However, I forgot to mention in my
> commit log that we also need this backported to 2.6.35.
> 
> Greg, can you queue it up manually? Upstream commit is 7b6717e.

Yes, I will do so, thanks for letting me know.

greg k-h