The multi-touch touchpad found on the Medion Akoya E1239T's keyboard-dock,
uses the same custom multi-touch protocol as the Asus keyboard-docks
(same chipset vendor, Integrated Technology Express / ITE).
Add support for this using the existing multi-touch touchpad support in
the hid-asus driver.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/hid/hid-asus.c | 26 +++++++++++++++++++++++++-
drivers/hid/hid-ids.h | 1 +
2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index 6d97dbbcc287..317d7392ca8b 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -40,6 +40,7 @@ MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@xxxxxxxxx>");
MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define T100_TPAD_INTF 2
+#define MEDION_E1239T_TPAD_INTF 1
#define T100CHI_MOUSE_REPORT_ID 0x06
#define FEATURE_REPORT_ID 0x0d
@@ -77,6 +78,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define QUIRK_G752_KEYBOARD BIT(8)
#define QUIRK_T101HA_DOCK BIT(9)
#define QUIRK_T90CHI BIT(10)
+#define QUIRK_MEDION_E1239T BIT(11)
#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
QUIRK_NO_INIT_REPORTS | \
@@ -170,6 +172,16 @@ static const struct asus_touchpad_info asus_t100chi_tp = {
.report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
};
+static const struct asus_touchpad_info medion_e1239t_tp = {
+ .max_x = 2640,
+ .max_y = 1380,
+ .res_x = 29, /* units/mm */
+ .res_y = 28, /* units/mm */
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
+};
+
static void asus_report_contact_down(struct asus_drvdata *drvdat,
int toolType, u8 *data)
{
@@ -877,6 +889,17 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
drvdata->tp = &asus_t100chi_tp;
}
+ if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
+ hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+ struct usb_host_interface *alt =
+ to_usb_interface(hdev->dev.parent)->altsetting;
+
+ if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
+ drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
+ drvdata->tp = &medion_e1239t_tp;
+ }
+ }
+
if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
@@ -1056,7 +1079,8 @@ static const struct hid_device_id asus_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
-
+ { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
+ QUIRK_MEDION_E1239T },
{ }
};
MODULE_DEVICE_TABLE(hid, asus_devices);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index b18b13147a6f..2efa823a87e4 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -639,6 +639,7 @@
#define I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720 0x837a
#define USB_DEVICE_ID_ITE_LENOVO_YOGA900 0x8396
#define USB_DEVICE_ID_ITE8595 0x8595
+#define USB_DEVICE_ID_ITE_MEDION_E1239T 0xce50
#define USB_VENDOR_ID_JABRA 0x0b0e
#define USB_DEVICE_ID_JABRA_SPEAK_410 0x0412
--
2.26.0
