Quoting Stephen Boyd (2020-09-10 17:53:07)
> Quoting Enric Balletbo i Serra (2020-09-10 08:49:42)
> > On 10/9/20 16:52, Guenter Roeck wrote:
> > > On Thu, Sep 10, 2020 at 7:32 AM Enric Balletbo i Serra
> > > <enric.balle...@collabora.com> wrote:
> > >> On 10/9/20 16:18, Guenter Roeck wrote:
> > >>> On Wed, Sep 9, 2020 at 3:42 PM Stephen Boyd <swb...@chromium.org> wrote:
> > >>>> @@ -206,6 +209,17 @@ static int ec_device_probe(struct platform_device
> > >>>> *pdev)
> > >>>> }
> > >>>> }
> > >>>>
> > >>>> + if (!strcmp(ec_platform->ec_name, CROS_EC_DEV_NAME) &&
> > >>>> + !cros_ec_get_lightbar_version(ec, NULL, NULL)) {
> > >>>
> > >>> Any idea why the lightbar code doesn't use cros_ec_check_features() ?
> > >>> There is a definition for EC_FEATURE_LIGHTBAR, but it doesn't seem to
> > >>> be used. It would be much more convenient if that feature check could
> > >>> be used instead of moving the get_lightbar_version command and its
> > >>> helper function around.
> > >>>
> > >>
> > >> IIRC it was to support a very old device, the Pixel Chromebook (Link).
> > >> This flag
> > >> is not set in this device but has a lightbar, hence we had this 'weird'
> > >> way to
> > >> detect the lightbar.
> > >>
> > >
> > > If that is the only reason, wouldn't it be better to use something
> > > else (eg dmi_match) to determine if the system in question is a Pixel
> > > Chromebook (Link) ?
> > >
> > > if (!strcmp(ec_platform->ec_name, CROS_EC_DEV_NAME) &&
> > > (cros_ec_check_features(ec, EC_FEATURE_LIGHTBAR) ||
> > > dmi_match(DMI_PRODUCT_NAME, "Link")) {
> > >
> >
> > That looks a better solution, indeed. And definetely I'd prefer use the
> > check
> > features way.
> >
> > Gwendal, can you confirm that the Pixel Chromebook (Link) is the _only_ one
> > affected? This one is the only that comes to my mind but I might miss
> > others.
> >
> > I think that Samus has this flag (I can double check) and this was discussed
> > with you (long, long time ago :-) )
> >
>
> Sounds fine by me. I'll wait for Gwendal to inform us.
Anything come of this? I haven't seen any updates.
