linux-kernel - [PATCH 1/2] HID: add hid

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Date:	Sun, 19 Oct 2008 16:15:48 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	jkosina@...e.cz
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Steven Noonan" <steven@...inklabs.net>,
	"Justin Mattock" <justinmattock@...il.com>,
	"Sven Anders" <anders@...uras.de>,
	Marcel Holtmann <marcel@...tmann.org>,
	linux-bluetooth@...r.kernel.org, Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 1/2] HID: add hid_type

Add type to the hid structure to distinguish to which device type
(mouse/kbd) we are talking to. Needed for per device type ignore
list support.

Note: this patch leaves the type as unknown for bluetooth devices,
there is not support for this in the hidp code.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/hid/usbhid/hid-core.c |    8 ++++++++
 include/linux/hid.h           |    7 +++++++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 1d3b8a3..20617d8 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -972,6 +972,14 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
 	hid->product = le16_to_cpu(dev->descriptor.idProduct);
 	hid->name[0] = 0;
+	switch (intf->cur_altsetting->desc.bInterfaceProtocol) {
+	case USB_INTERFACE_PROTOCOL_KEYBOARD:
+		hid->type = HID_TYPE_KEYBOARD;
+		break;
+	case USB_INTERFACE_PROTOCOL_MOUSE:
+		hid->type = HID_TYPE_MOUSE;
+		break;
+	}
 
 	if (dev->manufacturer)
 		strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
diff --git a/include/linux/hid.h b/include/linux/hid.h
index f13bca2..36a3953 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -417,6 +417,12 @@ struct hid_input {
 	struct input_dev *input;
 };
 
+enum hid_type {
+	HID_TYPE_UNKNOWN = 0,
+	HID_TYPE_MOUSE,
+	HID_TYPE_KEYBOARD
+};
+
 struct hid_driver;
 struct hid_ll_driver;
 
@@ -431,6 +437,7 @@ struct hid_device {							/* device report descriptor */
 	__u32 vendor;							/* Vendor ID */
 	__u32 product;							/* Product ID */
 	__u32 version;							/* HID version */
+	enum hid_type type;						/* device type (mouse, kbd, ...) */
 	unsigned country;						/* HID country */
 	struct hid_report_enum report_enum[HID_REPORT_TYPES];
 
-- 
1.6.0.2

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