Re: [PATCH 04/13] HID: playstation: add DualSense touchpad support.

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Hello,

thank you for this driver. It makes me really happy to see an official
one. Just a small thing I noticed while reading through it:


On 18.12.2020 22:23, Roderick Colenbrander wrote:
> @@ -311,6 +345,25 @@ static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *r
>  	input_report_key(ds->gamepad, BTN_MODE, ds_report->buttons[2] & DS_BUTTONS2_PS_HOME);
>  	input_sync(ds->gamepad);
>  
> +	input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);

The above line is duplicated right before the input_sync (marked). Is
there any reason for this or is it accidental?

> +	for (i = 0; i < 2; i++) {
> +		bool active = (ds_report->points[i].contact & 0x80) ? false : true;
> +
> +		input_mt_slot(ds->touchpad, i);
> +		input_mt_report_slot_state(ds->touchpad, MT_TOOL_FINGER, active);
> +
> +		if (active) {
> +			int x = (ds_report->points[i].x_hi << 8) | ds_report->points[i].x_lo;
> +			int y = (ds_report->points[i].y_hi << 4) | ds_report->points[i].y_lo;
> +
> +			input_report_abs(ds->touchpad, ABS_MT_POSITION_X, x);
> +			input_report_abs(ds->touchpad, ABS_MT_POSITION_Y, y);
> +		}
> +	}
> +	input_mt_sync_frame(ds->touchpad);
> +	input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);

Right here.

> +	input_sync(ds->touchpad);
> +

Regards,
Samuel



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