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[ Upstream commit 0d5078c7172c46db6c58718d817b9fcf769554b4 ] Not all sensors will be able to guarantee a proper initial state. This may be either because the driver is not properly written, or (probably unlikely) because the hardware won't support it. While the right solution in the former case is to fix the sensor driver, the real world not always allows right solutions, due to lack of available documentation and support on these sensors. Let's relax this requirement, and allow the driver to support stream start, even if the sensor initial sequence wasn't the expected. Also improve the warning message to better explain the problem and provide a hint that the sensor driver needs to be fixed. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Fabio Estevam <festevam@gmail.com> Reviewed-by: Steve Longerbeam <slongerbeam@gmail.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Sasha Levin <sashal@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.