Hi Hugues, On Tue, May 15, 2018 at 01:33:55PM +0000, Hugues FRUCHET wrote: > I've taken the whole serie and made some tests on STM32 platform using > DVP parallel interface. > Now JPEG is OK and I've not seen any regressions appart on framerate > control linked to this current patchset. Thanks a lot for your feedback, I've (hopefully) fixed all the issues you reported here, most of the time taking your fix directly, except for 2 where I reworked the code instead. > Here are issues observed around framerate control: > 1) Framerate enumeration is buggy and all resolutions are claimed > supporting 15/30/60: > v4l2-ctl --list-formats-ext > ioctl: VIDIOC_ENUM_FMT > Index : 0 > Type : Video Capture > Pixel Format: 'JPEG' (compressed) > Name : JFIF JPEG > Size: Discrete 176x144 > Interval: Discrete 0.067s (15.000 fps) > Interval: Discrete 0.033s (30.000 fps) > Interval: Discrete 0.017s (60.000 fps) One small question though, I don't seem to have that output for v4l2-ctl, is some hook needed in the v4l2 device for it to work? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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