added Canon S45 and S230 in PTP mode

git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@5562 67ed7778-7388-44ab-90cf-0a291f65f57c

camlibs/ptp/library.c

@@ -212,6 +212,12 @@ static struct {
 	/* Nikon D100 has a PTP mode: westin 2002.10.16 */
 	{"Nikon DSC D100", 0x04b0, 0x0402},
 
+	/* (at least some) newer Canon cameras can be switched between
+	 * PTP and "normal" (i.e. Canon) mode 
+	 */
+	{"Canon PowerShot S45 (PTP mode)", 0x04A9, 0x306D}, /* 0x306C is S45 in normal (canon) mode */
+	{"Canon PowerShot S230 (PTP mode)", 0x04A9, 0x3071}, /* 0x3070 is S230 in normal (canon) mode */
+
 	/* more comming soon :) */
 	{NULL, 0, 0}
 };