Hi Steve, On Tue, Aug 14, 2018 at 09:51:04AM -0700, Steve Longerbeam wrote: > Hi Jacopo, > > > On 08/14/2018 08:35 AM, jacopo mondi wrote: > >Hi Steve, > > sorry for resurecting this. > > > ><snip> > >>>I'm sorry I'm not sur I'm following. Does this mean that with that bug > >>>you are referring to up here fixed by my last patch you have capture > >>>working? > >>No, capture still not working for me on SabreSD, even after fixing > >>the bug in 476dec0 "media: ov5640: Add horizontal and vertical totals", > >>by either using your patchset, or by running version 476dec0 of ov5640.c > >>with the call to ov5640_set_timings() moved to the correct places as > >>described below. > >> > >I've been reported a bug on exposure handling that makes the first > >captured frames all black. Both me and Hugues have tried to fix the > >issue (him with a more complete series, but that's another topic). > >See [1] and [2] > > > >It might be possible that you're getting blank frames with this series > >applied? I never seen them as I'm skipping the first frames when > >capturing, but I've now tested and without the exposure fixes (either > >[1] or [2]) I actually have blank frames. > > > >If that's the case for you too (which I hope so much) would you be > >available to test again this series with exposure fixes on top? > >On my platform that actually makes all frames correct. > > > >Thanks > > j > > > >[1] [PATCH 0/2] media: ov5640: Fix set_timings and auto-exposure > >[2] [PATCH v2 0/5] Fix OV5640 exposure & gain > > > > It's not clear to me which patch sets you would like me to test. > Just [1] and [2], or [1], [2], and "media: i2c: ov5640: Re-work MIPI startup > sequence"? > I have tested on my board the following: v4.18-rc2 + MIPI Fix + Timings + Hugues' exposure fix
Without Hugues' patches I get blank frames (the first ones at least) Without MIPI startup reowkr and timings I get the LP-11 error on the CSI-2 bus. As Hugues' series has to be rebased on mine, I have prepared a branch here for you if you feel like testing it: git://jmondi.org/linux ov5640/timings_exposure Thanks j > Steve > > >
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