[PATCH v2] Input: elan_i2c - enable ELAN0100 acpi panels

[Michele Curti <michele.curti@gmail.com>]

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>
---
 drivers/hid/hid-core.c              | 1 +
 drivers/input/mouse/elan_i2c_core.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 22afab9..70a11ac 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2294,6 +2294,7 @@ 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 67388f4..bbdaedc 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 },
 	{ }
 };
-- 
2.5.0