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SubjectRe: [PATCH v5 2/3] HID: quirks: Refactor ELAN 400 and 401 handling
On Wed, Jun 12, 2019 at 5:14 PM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
>
> On Wed, Jun 12, 2019 at 7:45 AM Jiri Kosina <jikos@kernel.org> wrote:
> >
> > On Tue, 11 Jun 2019, Dmitry Torokhov wrote:
> >
> > > > +static const char *hid_elan_i2c_ignore[] = {
> > >
> > > If this is a copy of elan whitelist, then, if we do not want to bother
> > > with sharing it in object form (as a elan-i2c-ids module), can we at
> > > least move it into include/linux/input/elan-i2c-ids.h and consume from
> > > hid-quirks.c?
> >
> > Let's just not duplicate it in both objects. Why not properly export it
> > from hid_quirks?
>
> Strictly speaking Elan does not depend on HID; exporting it from
> quirks would mean adding this dependency. This also mean that you
> can't make Elan built-in while keeping HID as a module (I think this
> at least used to be config on some Chromebooks).
>

I also think it would me things cleaner to have the list of devices in elan_i2c.
If we put the list of devices supported by elan_i2c in a header, and
have HID read this .h file directly, there will be no runtime
dependency.

I am sure we can work something out to remove Jeffrey's fears.

Cheers,
Benjamin

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