Hi Marco,

On Sunday 08 May 2011 12:45:58 Marco Gulino wrote:
> Hi everybody!
> My new Microsoft Lifecam HD 3000 webcam works quite fine in linux, but i
> can't get the exposure controls to work.
> Is there a way to improve the driver?
> I can provide usb snoops if needed.

Could you please send me the output of lsusb -v (running as root if possible) 
for your webcam ?

> I'm also wondering if it's possible to disable the LED which is quite
> annoying (i'm using the cam for astronomical images, i need to get it dark
> and cold).

UVC doesn't provide a standard control for this. Some cameras support 
controlling the LED manually, and implements that using UVC extension units. 
Without manufacturer documentation it might be difficult to find out how to 
control the LED, but trial/error is possible (be warned that this could in 
theory brick the camera).

-- 
Regards,

Laurent Pinchart
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