Hi there,
I tried using the latest v4l code on an Mythtv box running 2.6.20, but
the v4l videodev module fails to load with the following warnings:
videodev: Unknown symbol i2c_unregister_device
v4l2_common: Unknown symbol v4l2_device_register_subdev
It seems the "i2c_unregister_device" function was added in 2.6.26.
References to this function in v4l2-common.c are enclosed in an ifdef like:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
However in "v4l2_device_unregister()" in v4l2-device.c, there is a
reference to "i2c_unregister_device" without any ifdefs. I am running
a pretty old kernel, but I'd guess anyone running 2.6.25 or earlier will
have this problem. It seems this code was added by Mauro 3 weeks ago
in this rev:
http://linuxtv.org/hg/v4l-dvb/rev/87afa7a4ccdf
I also had some other compile problems, but don't have all the details
(sorry!). I had to disable the following drivers to get it to compile:
* CONFIG_VIDEO_PVRUSB2
* CONFIG_VIDEO_THS7303
* CONFIG_VIDEO_ADV7343
* CONFIG_DVB_SIANO_SMS1XXX
Regards,
Matt
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