commit b8e34b3ffaa659d12a1978f033fbab123aff1976
author Aaro Koskinen <aaro.koskinen@iki.fi> Wed May 29 23:59:08 2013 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Thu May 30 20:55:51 2013 +0900
tree e873806998051c356c926da2c7b0f8599a0a1960
parent c4f9c31ebe8d730e2061be40fc3962d27805ce2d

staging: xgifb: SetFlag: delete EnableChB

This flag is never set, so checks can be removed and code behind it
deleted.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/vb_setmode.c

diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 6030427..29fcf2c 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -4553,7 +4553,7 @@
 	unsigned short tempbx, tempah;
 
 	if (enable)
-		tempbx = pVBInfo->SetFlag & (EnableChA | EnableChB);
+		tempbx = pVBInfo->SetFlag & EnableChA;
 	else
 		tempbx = pVBInfo->SetFlag & DisableChA;
 
@@ -4564,12 +4564,6 @@
 			return 0;
 	}
 
-	if (!(tempbx & EnableChB))
-		return 0;
-
-	if (tempah & 0x01) /* Chk LCDB Mode */
-		return 1;
-
 	return 0;
 }
 
@@ -5483,9 +5477,8 @@
 			}
 		}
 
-		if ((pVBInfo->SetFlag & EnableChB) ||
-		    (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToTV |
-					SetCRT2ToRAMDAC))) {
+		if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToTV |
+				       SetCRT2ToRAMDAC)) {
 			tempah = xgifb_reg_get(pVBInfo->P3c4, 0x32);
 			tempah &= 0xDF;
 			if (pVBInfo->VBInfo & SetInSlaveMode) {
@@ -5502,7 +5495,7 @@
 			xgifb_reg_and(pVBInfo->Part1Port, 0x00, 0x7F);
 		}
 
-		if ((pVBInfo->SetFlag & (EnableChA | EnableChB))
+		if ((pVBInfo->SetFlag & EnableChA)
 				|| (!(pVBInfo->VBInfo & DisableCRT2Display))) {
 			xgifb_reg_and_or(pVBInfo->Part2Port, 0x00, ~0xE0,
 					0x20); /* shampoo 0129 */
@@ -5537,9 +5530,6 @@
 				if (pVBInfo->SetFlag &  DisableChA)
 					tempah &= 0x7F;
 
-				if (pVBInfo->SetFlag &  EnableChB)
-					tempah |= 0x40;
-
 				if (pVBInfo->SetFlag &  EnableChA)
 					tempah |= 0x80;
 			}