linux-kernel - Re: [PATCH v8 3/3] Input: Add TouchNetix axiom i2c touchscreen driver

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Message-ID: <20240219124913.GA99571@tpx1.home>
Date: Mon, 19 Feb 2024 13:49:13 +0100
From: Kamel Bouhara <kamel.bouhara@...tlin.com>
To: SHUKLA Mamta Ramendra <mamta.shukla@...ca-geosystems.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Henrik Rydberg <rydberg@...math.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Marco Felsch <m.felsch@...gutronix.de>,
	Jeff LaBundy <jeff@...undy.com>,
	POPESCU Catalin <catalin.popescu@...ca-geosystems.com>,
	"mark.satterthwaite@...chnetix.com" <mark.satterthwaite@...chnetix.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Gregory Clement <gregory.clement@...tlin.com>,
	GEO-CHHER-bsp-development <bsp-development.geo@...ca-geosystems.com>
Subject: Re: [PATCH v8 3/3] Input: Add TouchNetix axiom i2c touchscreen driver

Le Mon, Feb 19, 2024 at 10:58:22AM +0000, SHUKLA Mamta Ramendra a écrit :
>
>
> Hello Kamel,

Hello,

[...]

> > +
> > +/*
> > + * Support function to axiom_process_u41_report.
> > + * Generates input-subsystem events for every target.
> > + * After calling this function the caller shall issue
> > + * a Sync to the input sub-system.
> > + */
> > +static bool axiom_process_u41_report_target(struct axiom_data *ts,
> > +                                           struct axiom_target_report *target)
> > +{
> > +       struct input_dev *input_dev = ts->input_dev;
> > +       struct axiom_u41_target *target_prev_state;
> > +       enum axiom_target_state current_state;
> > +       int id;
> > +
> > +       /* Verify the target index */
> > +       if (target->index >= AXIOM_U41_MAX_TARGETS) {
> > +               dev_err(ts->dev, "Invalid target index! %u\n", target->index);
> > +               return false;
> > +       }
> > +
> > +       target_prev_state = &ts->targets[target->index];
> > +
> > +       current_state = AXIOM_TARGET_STATE_NOT_PRESENT;
> > +
> > +       if (target->present) {
> > +               if (target->z >= 0)
> > +                       current_state = AXIOM_TARGET_STATE_TOUCHING;
> > +               else if (target->z > AXIOM_PROX_LEVEL && target->z < 0)
> > +                       current_state = AXIOM_TARGET_STATE_HOVER;
> > +               else if (target->z == AXIOM_PROX_LEVEL)
> > +                       current_state = AXIOM_TARGET_STATE_PROX;
> > +       }
> > +
> > +       if (target_prev_state->state == current_state &&
> > +           target_prev_state->x == target->x &&
> > +           target_prev_state->y == target->y &&
> > +           target_prev_state->z == target->z)
> > +               return false;
> > +
> > +       id = target->index;
> > +
> > +       dev_dbg(ts->dev, "U41 Target T%u, slot:%u present:%u, x:%u, y:%u, z:%d\n",
> > +               target->index, slot, target->present,
> > +               target->x, target->y, target->z);
>
> This doesn't compile. You forgot to replace slot  with id.
>
>
> -       dev_dbg(ts->dev, "U41 Target T%u, slot:%u present:%u, x:%u,
> y:%u, z:%d\n",
> -               target->index, slot, target->present,
> +       dev_dbg(ts->dev, "U41 Target T%u, id:%u present:%u, x:%u, y:%u,
> z:%d\n",
> +               target->index, id, target->present,
>

I don't know how I could missed this one :/ !

Fixed thanks !

--
Kamel Bouhara, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com