Re: [PATCH] i2c: bcm2835: Set up the rising/falling edge delays

Wolfram Sang
2018-02-21T08:42:59Z

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On Thu, Feb 08, 2018 at 02:54:05PM +0100, Boris Brezillon wrote:
> From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>
>
> We were leaving them in the power on state (or the state the firmware
> had set up for some client, if we were taking over from them). The
> boot state was 30 core clocks, when we actually want to sample some
> time after (to make sure that the new input bit has actually arrived).
>
> Signed-off-by: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>
> Signed-off-by: Boris Brezillon <boris.brezillon-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
> Cc: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
> Hello,
>
> I'm reviving this patch that has been posted a while ago by Gerd.
> It fixes EDID retrieval on some (broken?) HDMI displays, but I'm pretty
> sure it will fix other I2C setup.
>
> Note that I also tested the change with a regular I2C device and it
> worked just fine.

Applied to for-current, thanks!

Could you provide a Fixes tag if you think this should go to stable?

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