Re: [PATCH] Input: edt-ft5x06 - Support label device property for input name

From: Dmitry Torokhov

Date: Mon Apr 13 2026 - 00:07:28 EST


On Sun, Apr 12, 2026 at 11:02:59PM -0500, Aaron Kling wrote:
> On Sun, Apr 12, 2026 at 10:58 PM Dmitry Torokhov
> <dmitry.torokhov@xxxxxxxxx> wrote:
> >
> > Hi Aaron,
> >
> > On Thu, Apr 09, 2026 at 06:16:08PM -0500, Aaron Kling via B4 Relay wrote:
> > > From: Aaron Kling <webgeek1234@xxxxxxxxx>
> > >
> > > The AYN Thor uses a ft5426 and a ft5452 for each screen respectively and
> > > these currently get the same input name, making them indistinguishable
> > > from userspace. Support setting a label in kernel dt to make these
> > > report uniquely.
> > >
> > > Signed-off-by: Aaron Kling <webgeek1234@xxxxxxxxx>
> > > ---
> > > drivers/input/touchscreen/edt-ft5x06.c | 4 +++-
> > > 1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
> > > index ba8ff65f7ea671..c36497571b1aa1 100644
> > > --- a/drivers/input/touchscreen/edt-ft5x06.c
> > > +++ b/drivers/input/touchscreen/edt-ft5x06.c
> > > @@ -1285,7 +1285,9 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client)
> > > "Model \"%s\", Rev. \"%s\", %dx%d sensors\n",
> > > tsdata->name, tsdata->fw_version, tsdata->num_x, tsdata->num_y);
> > >
> > > - input->name = tsdata->name;
> > > + if (device_property_read_string(&client->dev, "label", &input->name))
> > > + input->name = tsdata->name;
> > > +
> >
> > You should be able to differentiate them by their sysfs path.
>
> My target use case is Android, which to my knowledge can only use
> vid:pid or device name to differentiate input devices. The sysfs path
> does not help this case.

Please work with Android team to add missing functionality.

Thanks.

--
Dmitry