On Tue, Oct 15, 2019 at 1:33 PM Tim Harvey <thar...@gateworks.com> wrote:

> Right, because this re-creates the initial issue. Upon any signal lock
> you would need to throw away the first few frames. I wish I knew the
> proper way to deal with this.

I thought this was handled by drivers/staging/media/imx/imx-media-fim.c

On imx6-sabreauto we do have the input capture pins configured in the
pinctrl entries, but I don't see any driver handling it.

Also, drivers/staging/media/imx/imx-media-fim.c driver has  a #ifdef
CONFIG_IMX_GPT_ICAP to deal with the input capture case, but such
config symbol does not exist in mainline.

It seems we still need the input capture support to be able to
measuring frame intervals.

Maybe Steve can shed some light on this?

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