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Commit a913829e authored by Dmitry Torokhov's avatar Dmitry Torokhov
Browse files

Input: apparently Lifebook touchscreens have double resolution 


       compared to "classic" PS/2 mice, provide appropriate
       resolution setting handler.

Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent a15d60f8

drivers/input/mouse/lifebook.c

+12 −0
Original line number Diff line number Diff line
@@ -82,6 +82,17 @@ static int lifebook_absolute_mode(struct psmouse *psmouse) 
	return 0;

}



static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)

{

	unsigned char params[] = { 0, 1, 2, 2, 3 };



	if (resolution == 0 || resolution > 400)

		resolution = 400;



	ps2_command(&psmouse->ps2dev, &params[resolution / 100], PSMOUSE_CMD_SETRES);

	psmouse->resolution = 50 << params[resolution / 100];

}



static void lifebook_disconnect(struct psmouse *psmouse)

{

	psmouse_reset(psmouse);
@@ -113,6 +124,7 @@ int lifebook_init(struct psmouse *psmouse) 
	input_set_abs_params(&psmouse->dev, ABS_Y, 0, 1024, 0, 0);



	psmouse->protocol_handler = lifebook_process_byte;

	psmouse->set_resolution = lifebook_set_resolution;

	psmouse->disconnect = lifebook_disconnect;

	psmouse->reconnect  = lifebook_absolute_mode;

	psmouse->pktsize = 3;