From e90a6df80dc45ab53d2f4f4db297434e48c0208e Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Mon, 25 Feb 2013 11:31:43 +0100
Subject: HID: Extend the interface with report requests
Some drivers send reports directly to underlying device, creating an
unwanted dependency on the underlying transport layer. This patch adds
hid_hw_request() to the interface, thereby removing usbhid from the
lion share of the drivers.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
drivers/hid/usbhid/hid-core.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
(limited to 'drivers/hid/usbhid/hid-core.c')
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 8e0c4bf94ebc..366fd09d257d 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1243,6 +1243,18 @@ static int usbhid_power(struct hid_device *hid, int lvl)
return r;
}
+static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int reqtype)
+{
+ switch (reqtype) {
+ case HID_REQ_GET_REPORT:
+ usbhid_submit_report(hid, rep, USB_DIR_IN);
+ break;
+ case HID_REQ_SET_REPORT:
+ usbhid_submit_report(hid, rep, USB_DIR_OUT);
+ break;
+ }
+}
+
static struct hid_ll_driver usb_hid_driver = {
.parse = usbhid_parse,
.start = usbhid_start,
@@ -1251,6 +1263,7 @@ static struct hid_ll_driver usb_hid_driver = {
.close = usbhid_close,
.power = usbhid_power,
.hidinput_input_event = usb_hidinput_input_event,
+ .request = usbhid_request,
};
static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id)
--
cgit