[RFC PATCH 0/6] Add VIDIOC_DBG_G_CHIP_NAME ioctl.

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This is a patch series implementing this proposal:

http://comments.gmane.org/gmane.linux.drivers.video-input-infrastructure/61539

It keeps the old CHIP_IDENT around for now. My plan is to start removing
support for VIDIOC_G_CHIP_IDENT and the match types V4L2_CHIP_MATCH_I2C_DRIVER,
V4L2_CHIP_MATCH_I2C_ADDR and V4L2_CHIP_MATCH_AC97 for 3.11. Once it's all
removed we can also ditch the v4l2-chip-ident.h header.

These debugging ioctls have always been a bit problematic, but sub-devices
are a much better fit and greatly simplify the implementation.

Comments are welcome!

Regards,

	Hans

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