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Date:   Thu, 4 Feb 2021 15:58:20 -0800
From:   Philip Chen <philipchen@...omium.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Douglas Anderson <dianders@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Lee Jones <lee.jones@...aro.org>,
        Rajat Jain <rajatja@...gle.com>, linux-input@...r.kernel.org
Subject: Re: [PATCH v7 2/2] Input: cros-ec-keyb - Expose function row physical
 map to userspace

Hi maintainers,

Friendly ping - can we actually land patch series v7?
Or do you expect any update from me?

On Fri, Jan 15, 2021 at 12:34 PM Stephen Boyd <swboyd@...omium.org> wrote:
>
> Quoting Philip Chen (2021-01-15 12:24:30)
> > The top-row keys in a keyboard usually have dual functionalities.
> > E.g. A function key "F1" is also an action key "Browser back".
> >
> > Therefore, when an application receives an action key code from
> > a top-row key press, the application needs to know how to correlate
> > the action key code with the function key code and do the conversion
> > whenever necessary.
> >
> > Since the userpace already knows the key scanlines (row/column)
> > associated with a received key code. Essentially, the userspace only
> > needs a mapping between the key row/column and the matching physical
> > location in the top row.
> >
> > So, enhance the cros-ec-keyb driver to create such a mapping
> > and expose it to userspace in the form of a function_row_physmap
> > attribute. The attribute would be a space separated ordered list of
> > row/column codes for the keys in the function row, in a left-to-right
> > order.
> >
> > The attribute will only be present when the device has a custom design
> > for the top-row keys.
> >
> > Signed-off-by: Philip Chen <philipchen@...omium.org>
> > ---
>
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>

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