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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 10:35:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 10:35:30 -0700
commit7fd23a24717a327a66f3c32d11a20a2f169c824f (patch)
tree62a731f3edac9e58427fc27396ad5da8804fa579 /drivers/hid/usbhid
parent0a95d92c0054e74fb79607ac2df958b7bf295706 (diff)
parent65b06194c9c9f41bc07ac6a6d42edb4b9e43fea4 (diff)
downloadlinux-7fd23a24717a327a66f3c32d11a20a2f169c824f.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (48 commits)
  HID: add support for Logitech Driving Force Pro wheel
  HID: hid-ortek: remove spurious reference
  HID: add support for Ortek PKB-1700
  HID: roccat-koneplus: vorrect mode of sysfs attr 'sensor'
  HID: hid-ntrig: init settle and mode check
  HID: merge hid-egalax into hid-multitouch
  HID: hid-multitouch: Send events per slot if CONTACTCOUNT is missing
  HID: ntrig remove if and drop an indent
  HID: ACRUX - activate the device immediately after binding
  HID: ntrig: apply NO_INIT_REPORTS quirk
  HID: hid-magicmouse: Correct touch orientation direction
  HID: ntrig don't dereference unclaimed hidinput
  HID: Do not create input devices for feature reports
  HID: bt hidp: send Output reports using SET_REPORT on the Control channel
  HID: hid-sony.c: Fix sending Output reports to the Sixaxis
  HID: add support for Keytouch IEC 60945
  HID: Add HID Report Descriptor to sysfs
  HID: add IRTOUCH infrared USB to hid_have_special_driver
  HID: kernel oops in out_cleanup in function hidinput_connect
  HID: Add teletext/color keys - gyration remote - EU version (GYAR3101CKDE)
  ...
Diffstat (limited to 'drivers/hid/usbhid')
-rw-r--r--drivers/hid/usbhid/hid-core.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index b336dd84036f..38c261a40c74 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -799,6 +799,40 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
 	return 0;
 }
 
+static int usbhid_get_raw_report(struct hid_device *hid,
+		unsigned char report_number, __u8 *buf, size_t count,
+		unsigned char report_type)
+{
+	struct usbhid_device *usbhid = hid->driver_data;
+	struct usb_device *dev = hid_to_usb_dev(hid);
+	struct usb_interface *intf = usbhid->intf;
+	struct usb_host_interface *interface = intf->cur_altsetting;
+	int skipped_report_id = 0;
+	int ret;
+
+	/* Byte 0 is the report number. Report data starts at byte 1.*/
+	buf[0] = report_number;
+	if (report_number == 0x0) {
+		/* Offset the return buffer by 1, so that the report ID
+		   will remain in byte 0. */
+		buf++;
+		count--;
+		skipped_report_id = 1;
+	}
+	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+		HID_REQ_GET_REPORT,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		((report_type + 1) << 8) | report_number,
+		interface->desc.bInterfaceNumber, buf, count,
+		USB_CTRL_SET_TIMEOUT);
+
+	/* count also the report id */
+	if (ret > 0 && skipped_report_id)
+		ret++;
+
+	return ret;
+}
+
 static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count,
 		unsigned char report_type)
 {
@@ -1139,6 +1173,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 
 	usb_set_intfdata(intf, hid);
 	hid->ll_driver = &usb_hid_driver;
+	hid->hid_get_raw_report = usbhid_get_raw_report;
 	hid->hid_output_raw_report = usbhid_output_raw_report;
 	hid->ff_init = hid_pidff_init;
 #ifdef CONFIG_USB_HIDDEV