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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>
This commit is contained in:
Aaro Koskinen 2013-05-29 23:59:10 +03:00 committed by Greg Kroah-Hartman
parent d1724637e1
commit a2526d1f32
2 changed files with 3 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/staging/xgifb/vb_def.h
View File

@ -30,7 +30,6 @@
#define SetCRT2ToDualEdge 0x8000
#define ReserveTVOption 0x0008
#define EnableChA 0x8000
#define SetTVLowResolution 0x0400
#define TVSimuMode 0x0800

19
drivers/staging/xgifb/vb_setmode.c
View File

@ -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;
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;
}
}