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From:   Benjamin Tissoires <benjamin.tissoires@redhat.com>
Date:   Fri, 6 Mar 2020 18:45:26 +0100
Message-ID: <CAO-hwJJo=oNTFNtS5DWtMP7FSiMXUYV5KTa1VDzH4LA4SBUCaQ@mail.gmail.com>
Subject: Re: [PATCH] Input: elants_i2c - Report resolution information for
 touch major
To:     Johnny Chuang <johnny.chuang.emc@gmail.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Peter Hutterer <peter.hutterer@who-t.net>,
        lkml <linux-kernel@vger.kernel.org>,
        "open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
        Johnny Chuang <johnny.chuang@emc.com.tw>,
        Jennifer Tsai <jennifer.tsai@emc.com.tw>,
        James Chen <james.chen@emc.com.tw>,
        Paul Liang <paul.liang@emc.com.tw>,
        Jeff Chuang <jeff.chuang@emc.com.tw>
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On Thu, Feb 27, 2020 at 2:13 AM Johnny Chuang
<johnny.chuang.emc@gmail.com> wrote:
>
> From: Johnny Chuang <johnny.chuang@emc.com.tw>
>
> This patch supports reporting resolution for ABS_MT_TOUCH_MAJOR event.
> This information is needed in showing pressure/width radius.
>
> Signed-off-by: Johnny Chuang <johnny.chuang@emc.com.tw>
> ---

Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

Cheers,
Benjamin

>  drivers/input/touchscreen/elants_i2c.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
> index 4911799..14c577c 100644
> --- a/drivers/input/touchscreen/elants_i2c.c
> +++ b/drivers/input/touchscreen/elants_i2c.c
> @@ -1309,6 +1309,7 @@ static int elants_i2c_probe(struct i2c_client *client,
>         input_set_abs_params(ts->input, ABS_MT_PRESSURE, 0, 255, 0, 0);
>         input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
>         input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
> +       input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, 1);
>
>         error = input_register_device(ts->input);
>         if (error) {
> --
> 2.7.4
>