i2c-algo-pcf: Pass adapter data into ->waitforpin() method

Pass adapter data into ->waitforpin() method.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h
index 0177d28..5de8a31 100644
--- a/include/linux/i2c-algo-pcf.h
+++ b/include/linux/i2c-algo-pcf.h
@@ -31,7 +31,7 @@
 	int  (*getpcf) (void *data, int ctl);
 	int  (*getown) (void *data);
 	int  (*getclock) (void *data);
-	void (*waitforpin) (void);
+	void (*waitforpin) (void *data);
 
 	/* Multi-master lost arbitration back-off delay (msecs)
 	 * This should be set by the bus adapter or knowledgable client