Hi Yong, On Thu, Jan 11, 2018 at 11:06:06AM +0800, Yong Deng wrote: > Allwinner V3s SoC features two CSI module. CSI0 is used for MIPI CSI-2 > interface and CSI1 is used for parallel interface. This is not > documented in datasheet but by test and guess. > > This patch implement a v4l2 framework driver for it. > > Currently, the driver only support the parallel interface. MIPI-CSI2, > ISP's support are not included in this patch. > > Signed-off-by: Yong Deng <yong.deng@xxxxxxxxxxxx> I've needed this patch in order to fix a NULL pointer dereference: http://code.bulix.org/oz6gmb-257359?raw This is needed because while it's ok to have a NULL pointer to v4l2_subdev_pad_config when you call the subdev set_fmt with V4L2_SUBDEV_FORMAT_ACTIVE, it's not with V4L2_SUBDEV_FORMAT_TRY, and sensors will assume taht it's a valid pointer. Otherwise, Tested-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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