Input: elan_i2c - enable ELAN0100 acpi panels

Enable ELAN0100 touchpad driver, found on a Asus X205TA laptop, to
gai 2,3 fingers tap and 2 fingers scroll.

Signed-off-by: Michele Curti <michele.curti@gmail.com>
Reviewed-by: Duson Lin <dusonlin@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 279898c0a160..3028c1687a51 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2268,6 +2268,7 @@ static const struct hid_device_id hid_ignore_list[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
+        { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 67388f42ed9a..bbdaedc09261 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -98,6 +98,9 @@ static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count,
                            u16 *signature_address)
 {
         switch(ic_type) {
+        case 0x08:
+                *vaildpage_count = 512;
+                break;
         case 0x09:
                 *vaildpage_count = 768;
                 break;
@@ -1165,6 +1168,7 @@ MODULE_DEVICE_TABLE(i2c, elan_id);
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id elan_acpi_id[] = {
         { "ELAN0000", 0 },
+        { "ELAN0100", 0 },
         { "ELAN0600", 0 },
         { }
 };