Embedded autobrightness with Vimicro ZC3XX

Hi,

I'm tring to use a Vimicro ZC3XX based cam on an Asus wl500gp running OpenWrt.

V4L is V4L2, driver is gspcav1-20070508.

Camera is working inside ok, but outside not (overbrighted). I'm using spcacat for grabbing. Is there any other way to get a proper picture? Should I compile spcaview to set autobrightness? Or is it possible to modify spcacat for autobrighting (that's what I was tring to do)?

I saw in the source files, that "Wrong device" means that it's not an SPCA ioctl device. What does that mean? Should I use GSPCA2 for autobright?

the dmesg output:
linux-2.6-brcm47xx/gspcav1-20070508/gspca_core.c: USB GSPCA camera found.(ZC3XX)
build_mipsel/linux-2.6-brcm47xx/gspcav1-20070508/gspca_core.c: [spca5xx_probe:4098] Camera type JPEG
build_mipsel/linux-2.6-brcm47xx/gspcav1-20070508/Vimicro/zc3xx.h: [zc3xx_config:515] Sensor ID:11
build_mipsel/linux-2.6-brcm47xx/gspcav1-20070508/Vimicro/zc3xx.h: [zc3xx_config:566] Find Sensor PB0330
build_mipsel/linux-2.6-brcm47xx/gspcav1-20070508/gspca_core.c: [spca5xx_getcapability:1215] maxw 640 maxh 480 minw 176 minh 144
usbcore: registered new interface driver gspca
build_mipsel/linux-2.6-brcm47xx/gspcav1-20070508/gspca_core.c: gspca driver 01.00.18 registered
usbcore: registered new interface driver spca5xx
build_mipsel/linux-2.6-brcm47xx/spca5xx-le/spca_core.c: spca5xx driver 00.57.06LE registered

Thanks,

                Tom

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