linux-kernel - Re: [PATCH v3 1/4] Input: Add driver for Cypress Generation 5 touchscreen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20211204204602.58b6cc12@aktux>
Date:   Sat, 4 Dec 2021 20:46:02 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     Alistair Francis <alistair@...stair23.me>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-input@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        robh+dt@...nel.org, alistair23@...il.com,
        dmitry.torokhov@...il.com, linus.walleij@...aro.org,
        rydberg@...math.org,
        Mylène Josserand <mylene.josserand@...tlin.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>
Subject: Re: [PATCH v3 1/4] Input: Add driver for Cypress Generation 5
 touchscreen

Hi,

On Thu,  2 Dec 2021 22:20:18 +1000
Alistair Francis <alistair@...stair23.me> wrote:

> +static int cyttsp5_setup_input_device(struct device *dev)
> +{
> +	struct cyttsp5 *ts = dev_get_drvdata(dev);
> +	struct cyttsp5_sysinfo *si = &ts->sysinfo;
> +	int max_x, max_y, max_p;
> +	int max_x_tmp, max_y_tmp;
> +	int error;
> +
> +	__set_bit(EV_REL, ts->input->evbit);
> +
> +	max_x_tmp = si->sensing_conf_data.res_x;
> +	max_y_tmp = si->sensing_conf_data.res_y;
> +	max_x = max_x_tmp - 1;
> +	max_y = max_y_tmp - 1;
> +	max_p = si->sensing_conf_data.max_z;
> +
> +	error = input_mt_init_slots(ts->input, si->tch_abs[CY_TCH_T].max,
> +		INPUT_MT_DROP_UNUSED | INPUT_MT_POINTER);
> +	if (error < 0)
> +		return error;
still some issues with X, sometimes it is even a mouse, depending on
config.
hmm, why is it INPUT_MT_POINTER and not INPUT_MT_DIRECT?

#define INPUT_MT_POINTER        0x0001  /* pointer device, e.g. trackpad */
#define INPUT_MT_DIRECT         0x0002  /* direct device, e.g. touchscreen */

Regards,
Andreas