[Letux-kernel] [Gta04-owner] On camera driver

Andrey Utkin andrey_utkin at fastmail.com
Tue Aug 9 17:02:22 CEST 2016


On Tue, Aug 09, 2016 at 04:07:09PM +0200, H. Nikolaus Schaller wrote:
> > Thanks for sharing.
> > The only way I can help now is to mainline your patches to ov9650
> > driver. BTW are they complete, i.e. does the driver from
> > work/hns/video/ov9655 do all expected things?
> 
> No, not at all. It just probes successfully.

Ok, so show me the logs of v4l2-compliance or anything, whenever you
have time for it.

> Hm. Running a GTA04 permanently on ssh is a little tricky. As soon
> as you poweroff it does not reboot automatically. And if you damage
> the SD card contents (a kernel panic during boot) it won't boot to USB
> without manually reflashing the SD card. So it needs supervision which
> I can't provide.

So "emergency reboot" like this doesn't reboot either?

sync
echo s > /proc/sysrq-trigger
sleep 1
echo b > /proc/sysrq-trigger

Also I guess NFS-based rootfs would avoid corruption concerns. But I
don't know if it's possible.


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