Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Gallon Fr
2010/3/30 Paulo Assis pj.as...@gmail.com Roger Hi, usb 1-1: new full speed USB device using s3c2410-ohci and address 5 I think this explains why you only have MJPG on the ARM board. YUYV requires a higher bandwidth, so it's only available in usb2. But MJPG should also be available

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Rogier Wolff
On Wed, Mar 31, 2010 at 06:37:36PM +0800, Gallon Fr wrote: I've confirmed that I can ONLY use YUYV format on PC, MJPG will end up with an error.Then I test another cam embedded in my laptop (04f2:b13e from Chicony).I don't want to mix up the two cam,so just call the PC Cam and the Laptop Cam.

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Gallon Fr
2010/3/31 Rogier Wolff r.e.wo...@bitwizard.nl On Wed, Mar 31, 2010 at 06:37:36PM +0800, Gallon Fr wrote: I've confirmed that I can ONLY use YUYV format on PC, MJPG will end up with an error.Then I test another cam embedded in my laptop (04f2:b13e from Chicony).I don't want to mix up the

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Rogier Wolff
On Wed, Mar 31, 2010 at 08:16:25PM +0800, Gallon Fr wrote: Whoops!That stumped me.I'm afraid Fedora 12 runs on a module build-in kernel,(I don't know the terminology so the strange phrase) cuz I can find nothing about ehci or uhci in the module list.AND, I don't know how to remove a build-in

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Gallon Fr
2010/3/31 Rogier Wolff r.e.wo...@bitwizard.nl On Wed, Mar 31, 2010 at 08:16:25PM +0800, Gallon Fr wrote: Whoops!That stumped me.I'm afraid Fedora 12 runs on a module build-in kernel,(I don't know the terminology so the strange phrase) cuz I can find nothing about ehci or uhci in the

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-31 Thread Laurent Pinchart
Hi, On Wednesday 31 March 2010 12:37:36 Gallon Fr wrote: 2010/3/30 Paulo Assis pj.as...@gmail.com usb 1-1: new full speed USB device using s3c2410-ohci and address 5 I think this explains why you only have MJPG on the ARM board. YUYV requires a higher bandwidth, so it's only available

Re: [Linux-uvc-devel] Image format set with VIDIOC_S_FMT successfully on host PC, yet failed on target ARM dev-board.

2010-03-30 Thread Paulo Assis
Roger Hi, usb 1-1: new full speed USB device using s3c2410-ohci and address 5 I think this explains why you only have MJPG on the ARM board. YUYV requires a higher bandwidth, so it's only available in usb2. But MJPG should also be available with usb2 and from what I understand you only have