The imx412/imx577 sensor has a reset line that is active low not active high. Currently the logic for this is inverted. The right way to define the reset line is to declare it active low in the DTS and invert the logic currently contained in the driver. The DTS should represent the hardware does i.e. reset is active low. So: + reset-gpios = <&tlmm 78 GPIO_ACTIVE_LOW>; not: - reset-gpios = <&tlmm 78 GPIO_ACTIVE_HIGH>; I was a bit reticent about changing this logic since I thought it might negatively impact @intel.com users. Googling a bit though I believe this sensor is used on "Keem Bay" which is clearly a DTS based system and is not upstream yet. Fixes: 9214e86c0cc1 ("media: i2c: Add imx412 camera sensor driver") Cc: stable@vger.kernel.org Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. 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.
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