summaryrefslogtreecommitdiff
path: root/drivers/input/mouse/elantech.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/mouse/elantech.c')
-rw-r--r--drivers/input/mouse/elantech.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index fb4d902c4403..44f57cf6675b 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -340,7 +340,7 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
*/
if (packet[3] & 0x80)
fingers = 4;
- /* pass through... */
+ /* fall through */
case 1:
/*
* byte 1: . . . . x11 x10 x9 x8
@@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
else if (ic_version == 7 && etd->info.samples[1] == 0x2A)
sanity_check = ((packet[3] & 0x1c) == 0x10);
else
- sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+ sanity_check = ((packet[0] & 0x08) == 0x00 &&
(packet[3] & 0x1c) == 0x10);
if (!sanity_check)
@@ -1175,6 +1175,12 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
{ }
};
+static const char * const middle_button_pnp_ids[] = {
+ "LEN2131", /* ThinkPad P52 w/ NFC */
+ "LEN2132", /* ThinkPad P52 */
+ NULL
+};
+
/*
* Set the appropriate event bits for the input subsystem
*/
@@ -1194,7 +1200,8 @@ static int elantech_set_input_params(struct psmouse *psmouse)
__clear_bit(EV_REL, dev->evbit);
__set_bit(BTN_LEFT, dev->keybit);
- if (dmi_check_system(elantech_dmi_has_middle_button))
+ if (dmi_check_system(elantech_dmi_has_middle_button) ||
+ psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids))
__set_bit(BTN_MIDDLE, dev->keybit);
__set_bit(BTN_RIGHT, dev->keybit);