Re: [PATCH] HID: multitouch: do not blindly set EV_KEY or EV_ABS bits

From: Jiri Kosina
Date: Thu Jul 13 2017 - 10:52:09 EST

On Tue, 11 Jul 2017, Dmitry Torokhov wrote:

> Now that input core insists on having dev->absinfo when device claims to
> generate EV_ABS in its dev->evbit, we should not be blindly setting that
> bit.
> The code in question might have been needed before input_set_abs_params()
> started setting EV_ABS in device's evbit, but not anymore, and is now
> breaking devices such as SMART SPNL-6075 Touchscreen.
> Fixes: 6ecfe51b4082 ("Input: refuse to register absolute devices ...")
> Reported-by: Matthias Fend <Matthias.Fend@xxxxxxxxxxxxxx>
> Tested-by: Matthias Fend <Matthias.Fend@xxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> ---
> Jiri, Benjamin, I marked it for stable as it causes regressions in 4.12
> reported by users. Please take a look.

Thanks for a quick fix, Dmitry. Queued in for-4.13/upstream-fixes branch.

Jiri Kosina