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The original code was based on my reverse engineering of an I2C trace of the Windows driver. Now that I know what the registers actually do, restructure the code a bit, removing some unneeded register programming and fixing the sequencing of operations. This reduces the time it takes to change inputs from 1300ms down to 600ms (as measured by "time v4l2-ctl -i 0") Note this does not address outstanding issues related to the management of the module clocks and power control for the various blocks, which will be done in a separate patch. Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.