PERFORCE change 167481 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=167481

Change 167481 by hselasky at hselasky_laptop001 on 2009/08/18 16:04:45

	
	USB input:
	 - add temporary tunable quirk sysctl to disable setting of keyboard leds
	 - Reported by: Yoshihiro Ota

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/input/ukbd.c#30 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/input/ukbd.c#30 (text+ko) ====

@@ -96,10 +96,14 @@
 
 #if USB_DEBUG
 static int ukbd_debug = 0;
+static int ukbd_no_leds = 0;
 
 SYSCTL_NODE(_hw_usb, OID_AUTO, ukbd, CTLFLAG_RW, 0, "USB ukbd");
 SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, debug, CTLFLAG_RW,
     &ukbd_debug, 0, "Debug level");
+SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, no_leds, CTLFLAG_RW,
+    &ukbd_no_leds, 0, "Disables setting of keyboard leds");
+
 #endif
 
 #define	UPROTO_BOOT_KEYBOARD 1
@@ -647,6 +651,11 @@
 	uint8_t buf[2];
 	struct ukbd_softc *sc = usbd_xfer_softc(xfer);
 
+#if USB_DEBUG
+	if (ukbd_no_leds)
+		return;
+#endif
+
 	switch (USB_GET_STATE(xfer)) {
 	case USB_ST_TRANSFERRED:
 	case USB_ST_SETUP: