Well, finally not so bad news. I mean, good news from DMESG. See
output below
microdia: Microdia USB 2.0 webcam driver loaded
microdia: Microdia USB 2.0 Webcam - 0C45:6242 plugged-in.
microdia: Detected SN9C20X Bridge
microdia: Detected MT9M111 Sensor
microdia: Microdia USB 2.0 Webcam is now controlling video device /dev/
video0
usbcore: registered new interface driver usb_microdia_driver
microdia: v2008.11 : Microdia USB 2.0 Webcam Driver
sn9c20x: SN9C20X USB 2.0 webcam driver loaded
usbcore: registered new interface driver usb_sn9c20x_driver
sn9c20x: v2008.11 : SN9C20X USB 2.0 Webcam Driver
So, finally the system las loaded the driver with no problems, nor
error. But when I open camorana it complains not to be able to open /
dev/video0 device
I have this simlink "webcam" to /dev/video0 wich is created by this
rule:
KERNEL=="video*", SYSFS{idVendor}=="0c45", SYSFS{idProduct}=="6242",
SYMLINK+="webcam"
And, of course, my /dev/video0 IS there. So, I don't know why camorama
complains about opening it.
I tried camorama -d=/dev/webcam but it also didn't work out. It also
complains it cannot open /dev/webcam
ls -lah on /dev|grep video gives me this:
crw-rw---- 1 root video 81, 0 2009-01-07 22:03 video0
lrwxrwxrwx 1 root root 6 2009-01-07 22:03 webcam ->
video0
cat /etc/group|grep video gives this:
video:x:44:my-user-name
So, my-user-name IS in the video group.
Any suggestion?
On Jan 6, 2:05 pm, GWater <[email protected]> wrote:
> kihoma schrieb:
>
>
>
> > Hi there guys,
> > I recently bought 02 webcams (me and my sister) with this chip
> > microdia 0c45:6242> Below is the output form my lsusb:
> > Bus 002 Device 003: ID 0c45:6242 Microdia
> > Bus 002 Device 002: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640
> > USB-2.0 "TetraHub"
> > Bus 002 Device 001: ID 0000:0000
> > Bus 001 Device 001: ID 0000:0000
>
> > So, I tried the gspca module but didn't work. Then yesterday I went
> > to git clone git microdia and installed the microdia driver It kept
> > saying "could not find /dev/hda0" on camorama. Mplayer also couldn't
> > open the device. Xawtv also didn't work.
> > Now I have downloaded the latest sn9c20x and the dmsg output is as
> > follows:
>
> > sn9c102: V4L2 driver for SN9C1xx PC Camera Controllers v1:1.47
> > usbcore: registered new interface driver sn9c102
> > usbcore: deregistering interface driver sn9c102
> > sn9c20x: SN9C20X USB 2.0 webcam driver loaded
> > sn9c20x: SN9C20X USB 2.0 Webcam - 0C45:6242 plugged-in.
> > sn9c20x: Write register failed index = 0x1000
> > sn9c20x: Bridge Init Error (-71). line 0
> > sn9c20x: Device Init failed (-71)!
> > usb_sn9c20x_driver: probe of 2-2:1.0 failed with error -71
> > usbcore: registered new interface driver usb_sn9c20x_driver
> > sn9c20x: v2008.11 : SN9C20X USB 2.0 Webcam Driver
> > microdia: Microdia USB 2.0 webcam driver loaded
> > microdia: Microdia USB 2.0 Webcam - 0C45:6242 plugged-in.
> > microdia: Detected SN9C20X Bridge
> > microdia: Write register failed index = 0x1000
> > microdia: Bridge Init Error (-71). line 0
> > microdia: Device Init failed (-71)!
> > usb_microdia_driver: probe of 2-2:1.0 failed with error -71
>
> > So I unloaded the driver sn9c20x
>
> > microdia: usb_microdia_exit: Microdia USB 2.0 webcam driver unloaded
> > usbcore: deregistering interface driver usb_microdia_driver
>
> > And the loaded it again sn9c20x:
>
> > sn9c20x: SN9C20X USB 2.0 webcam driver loaded
> > sn9c20x: SN9C20X USB 2.0 Webcam - 0C45:6242 plugged-in.
> > sn9c20x: Write register failed index = 0x1000
> > sn9c20x: Bridge Init Error (-71). line 0 #error detecting the bridge
> > sn9c20x: Device Init failed (-71)!
> > usb_sn9c20x_driver: probe of 2-2:1.0 failed with error -71
> > usbcore: registered new interface driver usb_sn9c20x_driver
> > sn9c20x: v2008.11 : SN9C20X USB 2.0 Webcam Driver
>
> > Then I unload it and load the first microdia driver, wich compialed to
> > microdia.ko and the DMESG output is as follows:
>
> > microdia: Microdia USB 2.0 webcam driver loaded
> > microdia: Microdia USB 2.0 Webcam - 0C45:6242 plugged-in.
> > microdia: Detected SN9C20X Bridge
> > microdia: Write register failed index = 0x1000
> > microdia: Bridge Init Error (-71). line 0
> > microdia: Device Init failed (-71)!
> > usb_microdia_driver: probe of 2-2:1.0 failed with error -71
> > usbcore: registered new interface driver usb_microdia_driver
> > microdia: v2008.11 : Microdia USB 2.0 Webcam Driver
>
> > It seems that, the previous driver (microdia) fails on detecting the
> > sensor and the sn9c20x driver fails on detecting the bridge and the
> > sensor... Am I right?
>
> > Guys, I do need some help...
>
> And I'll try my best here:
>
> There is no problem detecting sensor or bridge.
> The error -71 has it's origin within the usb subsystem and our driver
> simply passes it on. -71 (very helpfully) means "protocol error".
>
> Of course the susbsystem is silent about the actual cause which may be a
> delayed impulse, a broken cable or a problem in your camera. No way of
> knowing.
>
> To test your webcam I advice to test it with another computer (and maybe
> a live cd capable of compiling kernels).
>
> Apart from that:
> Keep trying. Maybe it will work on a sunny day with a lot of solar
> flares (who knows ;) ).
>
> Good luck.
> GWater
>
> signature.asc
> < 1KViewDownload
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