diff -Nur kphone.orig/kphone/dspoutalsa.cpp kphone/kphone/dspoutalsa.cpp
--- kphone.orig/kphone/dspoutalsa.cpp	2005-04-22 14:09:34.000000000 +0200
+++ kphone/kphone/dspoutalsa.cpp	2005-05-27 11:57:48.000000000 +0200
@@ -189,7 +189,8 @@
 #ifdef ALSADEBUG
 			fprintf(stderr,  "write %d instead of %d frames !\n", rc, (int)count/2);
 #endif
-			(int8_t*) buf += rc*4;
+			int8_t *buff = (int8_t*) buf;
+			buff += rc*4;
 			count -= rc*2;
 			continue;
 		}