diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index c1b1d7c9..7e038a2 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -1808,8 +1808,7 @@
 			break;
 		}
 		config_bits |= MSeries_AI_Config_Channel_Bits(chan);
-		config_bits |=
-		    MSeries_AI_Config_Bank_Bits(board->reg_type, chan);
+		config_bits |= MSeries_AI_Config_Bank_Bits(chan);
 		config_bits |= MSeries_AI_Config_Gain_Bits(range_code);
 		if (i == n_chan - 1)
 			config_bits |= MSeries_AI_Config_Last_Channel_Bit;
diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
index 2efd1ec..aca6e5c 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -990,14 +990,12 @@
 	return channel & 0xf;
 }
 
-static inline unsigned MSeries_AI_Config_Bank_Bits(enum ni_reg_type reg_type,
-						   unsigned channel)
+static inline unsigned MSeries_AI_Config_Bank_Bits(unsigned channel)
 {
 	unsigned bits = channel & 0x30;
-	if (reg_type == ni_reg_622x) {
-		if (channel & 0x40)
-			bits |= 0x400;
-	}
+
+	if (channel & 0x40)
+		bits |= 0x400;
 	return bits;
 }