[PATCH 1/2] Give up on edid retries when i2c tells us that bus is not there

Eugeni Dodonov eugeni at dodonov.net
Mon Oct 17 17:06:18 PDT 2011


On Mon, Oct 17, 2011 at 20:41, Keith Packard <keithp at keithp.com> wrote:

> On Mon, 17 Oct 2011 19:07:51 -0200, Eugeni Dodonov <eugeni at dodonov.net>
> wrote:
>
> > From what I've checked, the other return error value in this context
> could
> > be -EREMOTEIO, which could be caused by transmission error so it should
> be
> > retried.
>
> Oh, there's -ENOMEM, -EINVAL and probably a few others down in the
> bowels of the kernel i2c bits. Starting with the obvious (ENXIO) seems
> safest to me.
>

Yes, of course, but I was referring to the values which could be returned
through the i2c-algo-bit call used in this edid detection call.

-- 
Eugeni Dodonov
 <http://eugeni.dodonov.net/>
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