aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/mouse/lifebook.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/mouse/lifebook.c')
-rw-r--r--drivers/input/mouse/lifebook.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 1eb98e18c9e..bd9df9b2832 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -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;