Re: xHCI bandwidth error with USB webcam

2010-04-20 Thread Andiry Xu
On Fri, 2010-04-16 at 07:51 -0700, Sarah Sharp wrote: I'm also verifying usb webcam these days. The host controller also rejects alternate setting, indicating not enough bandwidth. Fortunately the webcam I used is using gspca and the patch for gspca below does work. After several times of

RE: xHCI bandwidth error with USB webcam

2010-04-16 Thread Xu, Andiry
-Original Message- From: Sarah Sharp [mailto:sarah.a.sh...@intel.com] I've been trying out the patches to enable isochronous transfers under xHCI, and they work fine on my USB speaker. However, I've been having trouble getting my high speed USB webcam to work. The NEC Express Card

Re: xHCI bandwidth error with USB webcam

2010-04-13 Thread Oliver Neukum
Am Dienstag, 13. April 2010 00:29:32 schrieb Sarah Sharp: I figured out how to patch the gspca driver, but not uvcvideo. The patch looks a bit hackish; can with experience with that driver look it over? Can anyone tell me where to look for the usb_set_interface() in uvcvideo?

xHCI bandwidth error with USB webcam

2010-04-12 Thread Sarah Sharp
I've been trying out the patches to enable isochronous transfers under xHCI, and they work fine on my USB speaker. However, I've been having trouble getting my high speed USB webcam to work. The NEC Express Card I have rejects the first alternate setting that the uvcvideo driver tries to install

Re: xHCI bandwidth error with USB webcam

2010-04-12 Thread Alan Stern
On Mon, 12 Apr 2010, Sarah Sharp wrote: I've been trying out the patches to enable isochronous transfers under xHCI, and they work fine on my USB speaker. However, I've been having trouble getting my high speed USB webcam to work. The NEC Express Card I have rejects the first alternate