X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fi2c.h;h=eb0628a7ecc637ec71e18714105ac814f679f718;hb=55669bfa141b488be865341ed12e188967d11308;hp=526ddc8eecfbf899b67ad0587fcf573e152d9021;hpb=c0bc8721b8d0380ec69fa97578c91201201b05a9;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 526ddc8eecf..eb0628a7ecc 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -193,6 +193,8 @@ struct i2c_algorithm {
 	   to NULL. If an adapter algorithm can do SMBus access, set 
 	   smbus_xfer. If set to NULL, the SMBus protocol is simulated
 	   using common I2C messages */
+	/* master_xfer should return the number of messages successfully
+	   processed, or a negative value on error */
 	int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, 
 	                   int num);
 	int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,