Hello, On Tue, Oct 30, 2018 at 04:09:48PM +0800, Yong Deng wrote: > I can't make v4l2-compliance always happy. > The V3s CSI support many pixformats. But they are not always available. > It's dependent on the input bus format (MEDIA_BUS_FMT_*). > Example: > V4L2_PIX_FMT_SBGGR8: MEDIA_BUS_FMT_SBGGR8_1X8 > V4L2_PIX_FMT_YUYV: MEDIA_BUS_FMT_YUYV8_2X8 > But I can't get the subdev's format code before starting stream as the > subdev may change it. So I can't know which pixformats are available. > So I exports all the pixformats supported by SoC. > The result is the app (v4l2-compliance) is likely to fail on streamon. > > This patchset add initial support for Allwinner V3s CSI. I've tested your patches on A83T and CSI works on that SoC too. I'll send DTS patches later. One thing I noticed is that, when you cat the regmap registers file in debugfs while streaming, the kernel locks up hard. I was not able to extract any logs. regards, Ondrej