Re: Using usbvideo for webcam drivers

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On Wednesday 16 January 2002 03:15 pm, Dmitri wrote:
> Send your patches to linux-usb-devel list and I will test. I have plenty
> of IBM cameras.

Okay, I'll be in touch.

I have another question:  Looking at the usbvideo code, I'm curious what 
kinds of things the setupOnOpen callback should set up.  While browsing 
through the usbvideo_v4l_open I noticed that startDataPump (which calls the 
videoStart callback) is called before setupOnOpen callback.  It would seem 
that the camera would have to be in a sane initialized state before 
videoStart was called.  Looking at the ibmcam code, I just become more 
confused as the videoStart callback (ibmcam_video_start) calls reinit_iso 
which calls functions named setup_after_video_if.

When is the appropriate time to send what initialization data, or am I 
worrying over nothing because v4l_open is never called?

-Joe





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