Re: UVC and V4L2_CAP_AUDIO

2013-07-25 Thread Laurent Pinchart
Hi Devin, On Thursday 25 July 2013 09:11:31 Devin Heitmueller wrote: > On Thu, Jul 25, 2013 at 5:10 AM, Laurent Pinchart wrote: > > Not without dirty hacks. The UVC interfaces don't report whether the > > device has an audio function, the driver would need to look at all the > > interfaces of the

Re: UVC and V4L2_CAP_AUDIO

2013-07-25 Thread Devin Heitmueller
On Thu, Jul 25, 2013 at 5:10 AM, Laurent Pinchart wrote: > Not without dirty hacks. The UVC interfaces don't report whether the device > has an audio function, the driver would need to look at all the interfaces of > the parent USB device and find out whether they match one of the USB audio > driv

Re: UVC and V4L2_CAP_AUDIO

2013-07-25 Thread Laurent Pinchart
Hi Hans, On Thursday 25 July 2013 11:03:13 Hans Verkuil wrote: > Hi Laurent, > > While working on adding alsa streaming support to qv4l2 we noticed that uvc > doesn't set this capability telling userspace that the webcam supports > audio. > > Is it possible at all in the uvc driver to determine