[PATCH 4/5] input/alps: Set DualPoint flag for 74 03 28 devices
From: Ben Gamari <hidden>
Date: 2016-06-21 09:20:30
Subsystem:
alps ps/2 touchpad driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Here we introduce logic in alps_identify to set the ALPS_DUALPOINT flag for touchpad hardware responding to E7 report with 73 03 28, as is found in the Dell Latitude E7470. --- drivers/input/mouse/alps.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 25d2cad..308f289 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c@@ -2745,6 +2745,9 @@ static int alps_set_protocol(struct psmouse *psmouse, if (alps_set_defaults_ss4_v2(psmouse, priv)) return -EIO; + if (priv->fw_ver[1] == 0x1) + priv->flags |= ALPS_DUALPOINT | ALPS_DUALPOINT_WITH_PRESSURE; + break; }
@@ -2817,6 +2820,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x14 && ec[1] == 0x02) { protocol = &alps_v8_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && + e7[2] == 0x28 && ec[1] == 0x01) { + protocol = &alps_v8_protocol_data; } else { psmouse_dbg(psmouse, "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
--
2.8.1