Re: Fwd: USB2 isochronous camera not working on USB3 port

2013-04-08 Thread Laurent Pinchart
Hi Jean-Philippe, On Monday 08 April 2013 14:08:09 jean-philippe francois wrote: > 2013/4/8 Laurent Pinchart : > > On Wednesday 06 March 2013 14:21:14 jean-philippe francois wrote: > >> Hi, > >> > >> The company I work for is doing USB cameras, for which I wrote the > >> drivers (out of tree). >

Re: Fwd: USB2 isochronous camera not working on USB3 port

2013-04-08 Thread jean-philippe francois
2013/4/8 Laurent Pinchart : > Hi Jean-Philippe, > > On Wednesday 06 March 2013 14:21:14 jean-philippe francois wrote: >> Hi, >> >> The company I work for is doing USB cameras, for which >> I wrote the drivers (out of tree). > > Just out of curiosity, was there any shortcoming in the UVC specificati

Re: Fwd: USB2 isochronous camera not working on USB3 port

2013-04-08 Thread Laurent Pinchart
Hi Jean-Philippe, On Wednesday 06 March 2013 14:21:14 jean-philippe francois wrote: > Hi, > > The company I work for is doing USB cameras, for which > I wrote the drivers (out of tree). Just out of curiosity, was there any shortcoming in the UVC specification that pushed your company to impleme

Fwd: USB2 isochronous camera not working on USB3 port

2013-03-06 Thread jean-philippe francois
Hi, The company I work for is doing USB cameras, for which I wrote the drivers (out of tree). Raw camera data are transferred using isochronous transfer. However when plugging the camera on an USB3 port, xhci spits the following messages on URB submission : [ 1704.989785] xhci_hcd :01:00.0: