Hopefully you won't have to fix this at all. Please check if the error still shows up in the development branch: $ git checkout --track -b development origin/development
GWater Kir Kolyshkin schrieb:
Hi,
First of all thank you all for your work on microdia!
Executive summary: repeating microdia_6242_start_stream() twice made my
webcam working. How do I debug it to fix it in a more proper manner?
Gory details follow.
I am a semi-happy owner of Media-Tech MT4017 a.k.a. PIXER LED webcam [1].
This is how I see it in lsusb output:
Bus 004 Device 005: ID 0c45:6242 Microdia
Apparently this is SN9C201 bridge + MI1310 image sensor, as described in [2].
I am using driver from the latest git (top commit is 8eaf625). What I
see with test mplayer command is green screen with some minor
light-green flickering and errors from mplayer (let me know if you need more
info, logs etc.).
I found this [3] thread which describes a problem very similar to mine,
and decided to try implementing the similar workaround.
This is what I did (the patch is also attached):
@@ -1044,6 +1044,8 @@ int dev_microdia_start_stream(struct usb_microdia *dev)
*/
int microdia_6242_start_stream(struct usb_microdia *dev)
{
+ int xxx;
+ for (xxx = 0; xxx < 2; xxx++) {
int i = -1;
__u8 buf[48];
@@ -1472,6 +1474,7 @@ int microdia_6242_start_stream(struct usb_microdia *dev)
buf[0] = 0x03;
usb_microdia_control_write(dev, 0x1061, buf, 1);
+ }
return 0;
}
Apparently that worked -- I am now seeing something with mplayer (way
too dark but visible).
Could anybody suggest me how to debug the init sequence to fix in in a
less hackish way?
[1] http://www.media-tech.eu/page.php?do=details&lang=uk&pid=1283&kid=15
[2] http://groups.google.com/group/microdia/web/0c45-6242
[3] http://www.mail-archive.com/[email protected]/msg00001.html
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Lets make microdia webcams plug'n play, (currently plug'n pray)
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