linux-kernel - Re: Gspca USB driver zc3xx and STV06xx probe the same device ..

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Date:	Wed, 3 Mar 2010 14:17:59 +0100
From:	Erik Andrén <erik.andren@...il.com>
To:	Hans de Goede <hdegoede@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Jean-Francois Moine <moinejf@...e.fr>,
	Linux Media Mailing List <linux-media@...r.kernel.org>,
	Gabriel C <nix.or.die@...glemail.com>
Subject: Re: Gspca USB driver zc3xx and STV06xx probe the same device ..

2010/3/3 Gabriel C <nix.or.die@...glemail.com>:
> Hello,
>
> I own a QuickCam Messanger webcam.. I didn't used it in ages but today
> I plugged it in..
> ( Device 002: ID 046d:08da Logitech, Inc. QuickCam Messanger )
>
> Now zc3xx and stv06xx are starting both to probe the device .. In
> 2.6.33 that result in a not working webcam.
> ( rmmod both && modprobe zc3xx one seems to fix that )
>
> On current git head zc3xx works fine even when both are probing the device.
>
> Also I noticed stv06xx fails anyway for my webcam with this error:
> ....
>
> [  360.910243] STV06xx: Configuring camera
> [  360.910244] STV06xx: st6422 sensor detected
> [  360.910245] STV06xx: Initializing camera
> [  361.161948] STV06xx: probe of 6-1:1.0 failed with error -32
> [  361.161976] usbcore: registered new interface driver STV06xx
> [  361.161978] STV06xx: registered
> .....
>
> Next thing is stv06xx tells it is an st6422 sensor and does not work
> with it while zc3xx tells it is an HV7131R(c) sensor and works fine
> with it.
>
> What is right ?

Hans,
As you added support for the st6422 sensor to the stv06xx subdriver I
imagine you best know what's going on.

Best regards,
Erik

>
>
> Best Regards,
>
> Gabriel C
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