Hi all, On 30/11/2020 16:23, Jean-Michel Hautbois wrote: > Hi Sakari, all, > > I am currently working with libcamera and trying to make it work on a > IPU3 pipeline (MS Surface Go 2)... > I can set the buffer parameters, thanks to Niklas work, but can't get > the 3A statistics buffer back. > More precisely, the buffers are queued/dequeued but the 'ae_en' bit is > never set to 1, and all the raw buffers are set to '0' values. > > I suppose I have missed to set one parameter somewhere, but according to > https://www.kernel.org/doc/html/v5.6/media/uapi/v4l/pixfmt-meta-intel-ipu3.html#c.ipu3_uapi_ae_grid_config > setting the 'ae_en' bit in the ipu3_uapi_ae_grid_config structure should > be enough to trigger ? > > I have pushed my (very work in progress) work here: > https://github.com/jhautbois/libcamera/tree/test-fake-ipu3-ipa > > I would appreciate feedback on this stuff, as I can't see anything > missing from a user-space perspective right now... :-) I have made some progress, as I now set the V4L2_CID_IPU3_PIPE_MODE properly... I now have the awb_en, af_en and awb_fr_en set to 'true'. But ae_en is always 'false'... JM
