staging: xgifb: SetFlag: delete DisableChB
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>
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c4f9c31ebe
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@ -30,7 +30,6 @@
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#define SetCRT2ToDualEdge 0x8000
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#define ReserveTVOption 0x0008
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#define DisableChB 0x1000
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#define EnableChB 0x2000
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#define DisableChA 0x4000
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#define EnableChA 0x8000
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@ -4555,7 +4555,7 @@ static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
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if (enable)
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tempbx = pVBInfo->SetFlag & (EnableChA | EnableChB);
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else
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tempbx = pVBInfo->SetFlag & (DisableChA | DisableChB);
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tempbx = pVBInfo->SetFlag & DisableChA;
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tempah = ~((unsigned short) xgifb_reg_get(pVBInfo->Part1Port, 0x2E));
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@ -4564,7 +4564,7 @@ static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
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return 0;
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}
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if (!(tempbx & (EnableChB | DisableChB)))
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if (!(tempbx & EnableChB))
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return 0;
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if (tempah & 0x01) /* Chk LCDB Mode */
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@ -4592,10 +4592,6 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info,
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/* Disable Channel B */
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tempah = 0xBF;
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if (pVBInfo->SetFlag & DisableChB)
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/* force to disable Cahnnel */
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tempah &= 0xBF;
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if (pVBInfo->SetFlag & DisableChA)
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/* Force to disable Channel B */
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tempah &= 0x7F;
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@ -4633,16 +4629,14 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info,
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if ((pVBInfo->VBInfo & (SetSimuScanMode | SetCRT2ToDualEdge)))
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xgifb_reg_and(pVBInfo->Part2Port, 0x00, 0xdf);
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if ((pVBInfo->SetFlag & DisableChB) ||
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(pVBInfo->VBInfo &
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if ((pVBInfo->VBInfo &
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(DisableCRT2Display | SetSimuScanMode)) ||
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((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) &&
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(pVBInfo->VBInfo &
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(SetCRT2ToRAMDAC | SetCRT2ToLCD | SetCRT2ToTV))))
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xgifb_reg_or(pVBInfo->Part1Port, 0x00, 0x80);
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if ((pVBInfo->SetFlag & DisableChB) ||
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(pVBInfo->VBInfo &
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if ((pVBInfo->VBInfo &
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(DisableCRT2Display | SetSimuScanMode)) ||
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(!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) ||
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(pVBInfo->VBInfo &
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@ -5489,28 +5483,23 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
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}
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}
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if (!(pVBInfo->SetFlag & DisableChB)) {
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if ((pVBInfo->SetFlag & EnableChB) || (pVBInfo->VBInfo
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& (SetCRT2ToLCD | SetCRT2ToTV
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| SetCRT2ToRAMDAC))) {
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tempah = xgifb_reg_get(pVBInfo->P3c4, 0x32);
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tempah &= 0xDF;
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if (pVBInfo->VBInfo & SetInSlaveMode) {
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if (!(pVBInfo->VBInfo &
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SetCRT2ToRAMDAC))
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tempah |= 0x20;
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}
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xgifb_reg_set(pVBInfo->P3c4, 0x32, tempah);
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xgifb_reg_or(pVBInfo->P3c4, 0x1E, 0x20);
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tempah = xgifb_reg_get(pVBInfo->Part1Port,
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0x2E);
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if (!(tempah & 0x80))
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xgifb_reg_or(pVBInfo->Part1Port,
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0x2E, 0x80);
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xgifb_reg_and(pVBInfo->Part1Port, 0x00, 0x7F);
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if ((pVBInfo->SetFlag & EnableChB) ||
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(pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToTV |
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SetCRT2ToRAMDAC))) {
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tempah = xgifb_reg_get(pVBInfo->P3c4, 0x32);
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tempah &= 0xDF;
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if (pVBInfo->VBInfo & SetInSlaveMode) {
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if (!(pVBInfo->VBInfo & SetCRT2ToRAMDAC))
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tempah |= 0x20;
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}
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xgifb_reg_set(pVBInfo->P3c4, 0x32, tempah);
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xgifb_reg_or(pVBInfo->P3c4, 0x1E, 0x20);
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tempah = xgifb_reg_get(pVBInfo->Part1Port, 0x2E);
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if (!(tempah & 0x80))
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xgifb_reg_or(pVBInfo->Part1Port, 0x2E, 0x80);
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xgifb_reg_and(pVBInfo->Part1Port, 0x00, 0x7F);
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}
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if ((pVBInfo->SetFlag & (EnableChA | EnableChB))
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@ -5545,9 +5534,6 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
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if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)
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tempah = tempah ^ 0xC0;
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if (pVBInfo->SetFlag & DisableChB)
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tempah &= 0xBF;
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if (pVBInfo->SetFlag & DisableChA)
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tempah &= 0x7F;
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