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Commit b0c9ad8e authored by Pozsar Balazs's avatar Pozsar Balazs Committed by Dmitry Torokhov
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Input: psmouse - add support for Intellimouse 4.0 



Add support for the H-Wheel present on Microsoft Intellimouse 4.0
(AKA "tilt mouse")

Signed-off-by: default avatarPozsar Balazs <pozsy@uhulinux.hu>
Signed-off-by: default avatarVojtech Pavlik <vojtech@suse.cz>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 0ae051a1

drivers/input/mouse/psmouse-base.c

+30 −3
Original line number Diff line number Diff line
@@ -150,9 +150,20 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_reg 
 */



	if (psmouse->type == PSMOUSE_IMEX) {

		switch (packet[3] & 0xC0) {

			case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */

				input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));

				break;

			case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */

				input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));

				break;

			case 0x00:

			case 0xC0:

				input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));

				input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);

				input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);

				break;

		}

	}



/*
@@ -466,9 +477,25 @@ static int im_explorer_detect(struct psmouse *psmouse, int set_properties) 
	if (param[0] != 4)

		return -1;



/* Magic to enable horizontal scrolling on IntelliMouse 4.0 */

	param[0] = 200;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);

	param[0] =  80;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);

	param[0] =  40;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);



	param[0] = 200;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);

	param[0] = 200;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);

	param[0] =  60;

	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);



	if (set_properties) {

		set_bit(BTN_MIDDLE, psmouse->dev->keybit);

		set_bit(REL_WHEEL, psmouse->dev->relbit);

		set_bit(REL_HWHEEL, psmouse->dev->relbit);

		set_bit(BTN_SIDE, psmouse->dev->keybit);

		set_bit(BTN_EXTRA, psmouse->dev->keybit);