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Looking at the register dumps from Android kernel on droid 4, I noticed the values with the mainline kernel don't match. Let's fix this by initializing the ADC registers to what Android does. For getting correct values from the battery thermistor, we need to toggle the CPCAP_BIT_THERMBIAS_EN when measuring battery temperature to get correct battery temperatures. And looks like we also need to wait a little bit before reading the battery temperature as otherwise the results are inaccurate. Cc: Marcel Partap <mpartap@gmx.net> Cc: Michael Scott <michael.scott@linaro.org> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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.