[PATCH 1/3] HID: wacom: Add support for I2C connected devices

From: Mika Westerberg
Date: Mon Feb 23 2015 - 08:53:26 EST


Lenovo Thinkpad 10 has wacom digitizer connected as a I2C-HID device. Add
generic support for this.

Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/hid/wacom_wac.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 1a6507999a65..c8e73bf62468 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2969,6 +2969,10 @@ static const struct wacom_features wacom_features_HID_ANY_ID =
HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
.driver_data = (kernel_ulong_t)&wacom_features_##prod

+#define I2C_DEVICE_WACOM(prod) \
+ HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
+ .driver_data = (kernel_ulong_t)&wacom_features_##prod
+
#define USB_DEVICE_LENOVO(prod) \
HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod), \
.driver_data = (kernel_ulong_t)&wacom_features_##prod
@@ -3113,6 +3117,7 @@ const struct hid_device_id wacom_ids[] = {
{ USB_DEVICE_LENOVO(0x6004) },

{ USB_DEVICE_WACOM(HID_ANY_ID) },
+ { I2C_DEVICE_WACOM(HID_ANY_ID) },
{ }
};
MODULE_DEVICE_TABLE(hid, wacom_ids);
--
2.1.4

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