[PATCH v5 1/2] drm/bridge: Add sii902x driver
Boris Brezillon
boris.brezillon at free-electrons.com
Tue Jun 7 05:31:59 UTC 2016
Hi Meng,
On Tue, 7 Jun 2016 02:40:56 +0000
Meng Yi <meng.yi at nxp.com> wrote:
> Hi Boris,
>
> Sorry for reply late, I was on PTO. And another PTO on June 9~11, 2016.UTC+8
>
> >
> > > > + gpiod_set_value(sii902x->reset_gpio, 1);
> > > > +
> > > > + msleep(100);
> > > Ouch that is some juicy number. Can we get a comment with
> > > reasoning/origin of it ?
> >
> > As already explained to Maxime, I just don't know why this is needed, simply
> > because I don't have access to the datasheet and I just based my
> > implementation on another driver.
> > I can add a comment stating that this was extracted from another
> > implementation, but with no explanation on why this is needed.
> >
> > Meng, do you have any information about startup-time, or something like that?
> >
>
> I had checked the datasheet of sii9022a, which said the Min of TRESET is 100 μs, and Max is not specified.
Oh, thanks a lot. treset-min is exactly what I needed.
Regards,
Boris
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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