[Bug 15858] Logitech Quickcam Messenger is not usable

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http://bugzilla.ubuntu.com/show_bug.cgi?id=15858
Ubuntu | linux





------- Additional Comments From fraser.hanson at gmail.com  2005-09-27 23:58 UTC -------
(In reply to comment #1)

Thanks for looking into this, Matt.  I agree, it's not supported by this same
module.  Apparently the link I posted was to another kernel module that is also
called quickcam.ko, but it is not the official kernel one.

BTW, I have gotten this hardware working using the module at
http://home.mag.cx/messenger/.  It required a little bit of work:
1. Edit the quickcam.sh script to accept ID 046d:08f0 as a valid device
2. Apply this patch:
--- qc-usb-messenger-0.8/qc-memory.c-old    2005-02-24 19:40:37.000000000 -0500
+++ qc-usb-messenger-0.8/qc-memory.c    2005-02-24 19:41:12.000000000 -0500
@@ -233,7 +233,11 @@
    pos = (unsigned long)src;
    while ((long)size > 0) {
        physaddr = kvirt_to_pa(pos);
-       if (remap_page_range(vma, start, physaddr, PAGE_SIZE, PAGE_SHARED))
+        if (remap_pfn_range(vma,
+                   start,
+                   physaddr >> PAGE_SHIFT,
+                   PAGE_SIZE,
+                   PAGE_SHARED))
            return -EAGAIN;
        start += PAGE_SIZE;
        pos += PAGE_SIZE;

The resulting quickcam.ko module works fine with this camera.  

I suppose this is not Ubuntu's problem though, I guess you'll probably just wait
for it to be supported in the official kernel source.


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