5 files changed, 66 insertions, 0 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index fe40e5e499dd..c4f65ce65b9a 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -386,6 +386,13 @@ config HID_ICADE
         To compile this driver as a module, choose M here: the
         module will be called hid-icade.
 
+config HID_ITE
+        tristate "ITE devices"
+        depends on HID
+        default !EXPERT
+        ---help---
+        Support for ITE devices not fully compliant with HID standard.
+
 config HID_TWINHAN
         tristate "Twinhan IR remote control"
         depends on HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index fef027bc7fa3..05ac8d375aeb 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_HID_HOLTEK)	+= hid-holtek-mouse.o
 obj-$(CONFIG_HID_HOLTEK)        += hid-holtekff.o
 obj-$(CONFIG_HID_HYPERV_MOUSE)  += hid-hyperv.o
 obj-$(CONFIG_HID_ICADE)         += hid-icade.o
+obj-$(CONFIG_HID_ITE)           += hid-ite.o
 obj-$(CONFIG_HID_KENSINGTON)    += hid-kensington.o
 obj-$(CONFIG_HID_KEYTOUCH)      += hid-keytouch.o
 obj-$(CONFIG_HID_KYE)           += hid-kye.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 37084b645785..bd48e1568462 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1913,6 +1913,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
         { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 643390ba749d..79674a3ee118 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -559,6 +559,7 @@
 #define USB_DEVICE_ID_ITE_LENOVO_YOGA   0x8386
 #define USB_DEVICE_ID_ITE_LENOVO_YOGA2  0x8350
 #define USB_DEVICE_ID_ITE_LENOVO_YOGA900        0x8396
+#define USB_DEVICE_ID_ITE8595           0x8595
 
 #define USB_VENDOR_ID_JABRA             0x0b0e
 #define USB_DEVICE_ID_JABRA_SPEAK_410   0x0412
diff --git a/drivers/hid/hid-ite.c b/drivers/hid/hid-ite.c
new file mode 100644
index 000000000000..1882a4ab0f29
--- /dev/null
+++ b/drivers/hid/hid-ite.c
@@ -0,0 +1,56 @@
+/*
+ * HID driver for some ITE "special" devices
+ * Copyright (c) 2017 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+static int ite_event(struct hid_device *hdev, struct hid_field *field,
+                     struct hid_usage *usage, __s32 value)
+{
+        struct input_dev *input;
+
+        if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
+                return 0;
+
+        input = field->hidinput->input;
+
+        /*
+         * The ITE8595 always reports 0 as value for the rfkill button. Luckily
+         * it is the only button in its report, and it sends a report on
+         * release only, so receiving a report means the button was pressed.
+         */
+        if (usage->hid == HID_GD_RFKILL_BTN) {
+                input_event(input, EV_KEY, KEY_RFKILL, 1);
+                input_sync(input);
+                input_event(input, EV_KEY, KEY_RFKILL, 0);
+                input_sync(input);
+                return 1;
+        }
+
+        return 0;
+}
+
+static const struct hid_device_id ite_devices[] = {
+        { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
+        { }
+};
+MODULE_DEVICE_TABLE(hid, ite_devices);
+
+static struct hid_driver ite_driver = {
+        .name = "itetech",
+        .id_table = ite_devices,
+        .event = ite_event,
+};
+module_hid_driver(ite_driver);
+
+MODULE_LICENSE("GPL");