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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>
This commit is contained in:
Aaro Koskinen 2013-05-29 23:59:08 +03:00 committed by Greg Kroah-Hartman
parent c4f9c31ebe
commit b8e34b3ffa
2 changed files with 4 additions and 15 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 EnableChB 0x2000
#define DisableChA 0x4000
#define EnableChA 0x8000

18
drivers/staging/xgifb/vb_setmode.c
View File

@ -4553,7 +4553,7 @@ static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
unsigned short tempbx, tempah;
if (enable)
tempbx = pVBInfo->SetFlag & (EnableChA | EnableChB);
tempbx = pVBInfo->SetFlag & EnableChA;
else
tempbx = pVBInfo->SetFlag & DisableChA;
@ -4564,12 +4564,6 @@ static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
return 0;
}
if (!(tempbx & EnableChB))
return 0;
if (tempah & 0x01) /* Chk LCDB Mode */
return 1;
return 0;
}
@ -5483,9 +5477,8 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
}
}
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 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
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 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
if (pVBInfo->SetFlag & DisableChA)
tempah &= 0x7F;
if (pVBInfo->SetFlag & EnableChB)
tempah |= 0x40;
if (pVBInfo->SetFlag & EnableChA)
tempah |= 0x80;
}