Some more fixes for more mice.

Reference: /n/sources/patch/applied/usbmice
Date: Fri Nov 18 10:38:29 CET 2011
Signed-off-by: paurea@gmail.com

--- /sys/src/cmd/usb/kb/kb.c	Fri Nov 18 10:38:10 2011
+++ /sys/src/cmd/usb/kb/kb.c	Fri Nov 18 10:38:07 2011
@@ -159,11 +159,11 @@
 	if(nr < 0)
 		return -1;
 	if(kbdebug && nr > 0){
-		fprint(2, "report descriptor: ");
+		fprint(2, "report descriptor:");
 		for(i = 0; i < nr; i++){
-			fprint(2, " %#2.2ux ", desc[i]);
-			if(i!= 0 && i%8 == 0)
-				fprint(2, "\n");
+			if(i%8 == 0)
+				fprint(2, "\n\t");
+			fprint(2, "%#2.2ux ", desc[i]);
 		}
 		fprint(2, "\n");
 	}
--- /sys/src/cmd/usb/kb/hid.c	Fri Nov 18 10:38:15 2011
+++ /sys/src/cmd/usb/kb/hid.c	Fri Nov 18 10:38:12 2011
@@ -106,10 +106,16 @@
 		case HidInput:
 			for(j = 0; j <nk; j++)
 				ifs[n].kind[j] = ks[j];
-			if(nk < ifs[n].count)
+			if(nk != 0 && nk < ifs[n].count)
 				for(l = j; l <ifs[n].count; l++)
 					ifs[n].kind[l] = ks[j-1];
 			n++;
+			if(n < MaxIfc){
+				ifs[n].count = ifs[n-1].count;	/* inherit values */
+				ifs[n].nbits = ifs[n-1].nbits;
+			}
+			if(ifs[n].nbits == 0)
+				ifs[n].nbits = 1;
 			nk = 0;
 			break;
 		}
@@ -175,7 +181,7 @@
 	fprint(2, "\n");
 }
 
-/* could cache indices after parsing the descriptor */
+/* could precalculate indices after parsing the descriptor */
 int
 hidifcval(HidRepTempl *templ, int kind, int n)
 {