make default fast event timeout 100 instead of 50, as 50 caused

corrupted reads


git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@13557 67ed7778-7388-44ab-90cf-0a291f65f57c

camlibs/ptp2/usb.c

@@ -60,8 +60,10 @@
 #define PTP_CNT_INIT(cnt) {memset(&cnt,0,sizeof(cnt));}
 
 /* PTP2_FAST_TIMEOUT: how long (in milliseconds) we should wait for
- * an URB to come back on an interrupt endpoint */
-#define PTP2_FAST_TIMEOUT       50
+ * an URB to come back on an interrupt endpoint
+ * 50 is insufficient. 
+ */
+#define PTP2_FAST_TIMEOUT       100
 
 /* Pack / unpack functions */