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authorHenrik Rydberg <rydberg@euromail.se>2013-02-25 11:31:43 +0100
committerJiri Kosina <jkosina@suse.cz>2013-02-25 13:26:39 +0100
commite90a6df80dc45ab53d2f4f4db297434e48c0208e (patch)
treec2758516b5a1d387ac81017de45adde6f19f622a /drivers/hid
parent48a732dfaa77a4dfec803aa8f248373998704f76 (diff)
downloadop-kernel-dev-e90a6df80dc45ab53d2f4f4db297434e48c0208e.zip
op-kernel-dev-e90a6df80dc45ab53d2f4f4db297434e48c0208e.tar.gz
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>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/usbhid/hid-core.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 8e0c4bf94..366fd09 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)
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