RE: [PATCH 1/5] HID: hid-multitouch: fix wrong protocol detection

[Drews, Paul]

> -static void set_last_slot_field(struct hid_usage *usage, struct mt_device *td,
> +static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
>  		struct hid_input *hi)
>  {
> -	if (!test_bit(usage->hid, hi->input->absbit))
> -		td->last_slot_field = usage->hid;
> +	struct mt_fields *f = td->fields;
> +
> +	if (f->length >= HID_MAX_FIELDS)
> +		return;
> +
> +	f->usages[f->length++] = usage->hid;
>  }

The "hi" formal-parameter is no longer used, can go away.
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