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authorAaro Koskinen <aaro.koskinen@iki.fi>2013-05-29 23:59:10 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-30 20:55:51 +0900
commita2526d1f3218dc68aca0e3bcc210b34ce6993216 (patch)
treec7c8b8da1a3b80af9f401807395aafa24122ea0b /drivers/staging/xgifb
parentd1724637e1b33dd4f53c1d75d6f5e22a7c8a2f5c (diff)
downloadlinux-a2526d1f3218dc68aca0e3bcc210b34ce6993216.tar.bz2
staging: xgifb: SetFlag: delete EnableChA
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>
Diffstat (limited to 'drivers/staging/xgifb')
-rw-r--r--drivers/staging/xgifb/vb_def.h1
-rw-r--r--drivers/staging/xgifb/vb_setmode.c21
2 files changed, 3 insertions, 19 deletions
diff --git a/drivers/staging/xgifb/vb_def.h b/drivers/staging/xgifb/vb_def.h
index 6bc20e9803df..5c739bebd8a5 100644
--- a/drivers/staging/xgifb/vb_def.h
+++ b/drivers/staging/xgifb/vb_def.h
@@ -30,7 +30,6 @@
#define SetCRT2ToDualEdge 0x8000
#define ReserveTVOption 0x0008
-#define EnableChA 0x8000
#define SetTVLowResolution 0x0400
#define TVSimuMode 0x0800
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 41f29a3821dc..8c55ebe7c5a9 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -4552,18 +4552,9 @@ static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
{
unsigned short tempbx, tempah;
- if (enable)
- tempbx = pVBInfo->SetFlag & EnableChA;
- else
- tempbx = 0;
-
+ tempbx = 0;
tempah = ~((unsigned short) xgifb_reg_get(pVBInfo->Part1Port, 0x2E));
- if (tempbx & EnableChA) {
- if (!(tempah & 0x08)) /* Chk LCDA Mode */
- return 0;
- }
-
return 0;
}
@@ -5463,11 +5454,9 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV
| VB_SIS302LV | VB_XGI301C)) {
- if ((pVBInfo->SetFlag & EnableChA) ||
- (pVBInfo->VBInfo & SetCRT2ToDualEdge)) {
+ if (pVBInfo->VBInfo & SetCRT2ToDualEdge)
/* Power on */
xgifb_reg_set(pVBInfo->Part1Port, 0x1E, 0x20);
- }
if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToTV |
SetCRT2ToRAMDAC)) {
@@ -5487,8 +5476,7 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
xgifb_reg_and(pVBInfo->Part1Port, 0x00, 0x7F);
}
- if ((pVBInfo->SetFlag & EnableChA)
- || (!(pVBInfo->VBInfo & DisableCRT2Display))) {
+ if (!(pVBInfo->VBInfo & DisableCRT2Display)) {
xgifb_reg_and_or(pVBInfo->Part2Port, 0x00, ~0xE0,
0x20); /* shampoo 0129 */
if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) {
@@ -5518,9 +5506,6 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
tempah = tempah & 0x40;
if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)
tempah = tempah ^ 0xC0;
-
- if (pVBInfo->SetFlag & EnableChA)
- tempah |= 0x80;
}
}