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Commit caeb0d37 authored by Ulrik De Bie's avatar Ulrik De Bie Committed by Dmitry Torokhov
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Input: elantech - use elantech_report_trackpoint for hardware v4 too 



The Fujitsu H730 has hardware v4 with a trackpoint. This enables the
elantech_report_trackpoint for v4.

Reported-by: default avatarStefan Valouch <stefan@valouch.com>
Tested-by: default avatarStefan Valouch <stefan@valouch.com>
Tested-by: default avatarAlfredo Gemma <alfredo.gemma@gmail.com>
Signed-off-by: default avatarUlrik De Bie <ulrik.debie-os@e2big.org>
Acked-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent c42bfd7f

drivers/input/mouse/elantech.c

+14 −2
Original line number Original line Diff line number Diff line
@@ -792,6 +792,9 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) 
	unsigned char packet_type = packet[3] & 0x03;

	unsigned char packet_type = packet[3] & 0x03;

	bool sanity_check;

	bool sanity_check;





	if ((packet[3] & 0x0f) == 0x06)

		return PACKET_TRACKPOINT;



	/*

	/*

	 * Sanity check based on the constant bits of a packet.

	 * Sanity check based on the constant bits of a packet.

	 * The constant bits change depending on the value of

	 * The constant bits change depending on the value of
@@ -877,13 +880,22 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) 




	case 4:

	case 4:

		packet_type = elantech_packet_check_v4(psmouse);

		packet_type = elantech_packet_check_v4(psmouse);

		if (packet_type == PACKET_UNKNOWN)

		switch (packet_type) {

		case PACKET_UNKNOWN:

			return PSMOUSE_BAD_DATA;

			return PSMOUSE_BAD_DATA;





		case PACKET_TRACKPOINT:

			elantech_report_trackpoint(psmouse, packet_type);

			break;



		default:

			elantech_report_absolute_v4(psmouse, packet_type);

			elantech_report_absolute_v4(psmouse, packet_type);

			break;

			break;

		}

		}





		break;

	}



	return PSMOUSE_FULL_PACKET;

	return PSMOUSE_FULL_PACKET;

}

}