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staging: xgifb: use "else if"

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Use "else if" when possible to reduce nesting.

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 2012-09-11 00:15:27 +03:00 committed by Greg Kroah-Hartman
parent 14f7c11187
commit d3ae5762c6
2 changed files with 72 additions and 95 deletions
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7
drivers/staging/xgifb/XGI_main_26.c
View file

@ -1397,11 +1397,10 @@ static int XGIfb_pan_display(struct fb_var_screeninfo *var,
if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
|| var->xoffset)
return -EINVAL;
} else {
if (var->xoffset + info->var.xres > info->var.xres_virtual
} else if (var->xoffset + info->var.xres > info->var.xres_virtual
|| var->yoffset + info->var.yres
> info->var.yres_virtual)
return -EINVAL;
> info->var.yres_virtual) {
return -EINVAL;
}
err = XGIfb_pan_var(var, info);
if (err < 0)

160
drivers/staging/xgifb/vb_setmode.c
View file

@ -116,11 +116,9 @@ static void XGI_SetSeqRegs(unsigned short ModeNo,
i = XGI_SetCRT2ToLCDA;
if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
tempah |= 0x01;
} else {
if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToLCD)) {
if (pVBInfo->VBInfo & SetInSlaveMode)
tempah |= 0x01;
}
} else if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToLCD)) {
if (pVBInfo->VBInfo & SetInSlaveMode)
tempah |= 0x01;
}
tempah |= 0x20; /* screen off */
@ -165,10 +163,9 @@ static void XGI_SetATTRegs(unsigned short ModeNo,
if ((modeflag & Charx8Dot) && i == 0x13) { /* ifndef Dot9 */
if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
ARdata = 0;
} else {
if ((pVBInfo->VBInfo &
} else if ((pVBInfo->VBInfo &
(SetCRT2ToTV | SetCRT2ToLCD)) &&
(pVBInfo->VBInfo & SetInSlaveMode))
(pVBInfo->VBInfo & SetInSlaveMode)) {
ARdata = 0;
}
}
@ -265,42 +262,38 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo,
(pVBInfo->SetFlag & TVSimuMode)) ||
(resinfo > 7)))
return 0;
} else {
if (pVBInfo->VBInfo & (SetCRT2ToAVIDEO |
} else if (pVBInfo->VBInfo & (SetCRT2ToAVIDEO |
SetCRT2ToSVIDEO |
SetCRT2ToSCART |
SetCRT2ToYPbPr525750 |
SetCRT2ToHiVision)) {
tempax |= SupportTV;
tempax |= SupportTV;
if (pVBInfo->VBType & (VB_SIS301B |
VB_SIS302B |
VB_SIS301LV |
VB_SIS302LV |
VB_XGI301C))
tempax |= SupportTV1024;
if (pVBInfo->VBType & (VB_SIS301B |
VB_SIS302B |
VB_SIS301LV |
VB_SIS302LV |
VB_XGI301C))
tempax |= SupportTV1024;
if (!(pVBInfo->VBInfo & TVSetPAL) &&
(modeflag & NoSupportSimuTV) &&
(pVBInfo->VBInfo & SetInSlaveMode) &&
(!(pVBInfo->VBInfo & SetNotSimuMode)))
return 0;
}
if (!(pVBInfo->VBInfo & TVSetPAL) &&
(modeflag & NoSupportSimuTV) &&
(pVBInfo->VBInfo & SetInSlaveMode) &&
(!(pVBInfo->VBInfo & SetNotSimuMode)))
return 0;
}
} else { /* for LVDS */
if (pVBInfo->VBInfo & SetCRT2ToLCD) {
tempax |= SupportLCD;
} else if (pVBInfo->VBInfo & SetCRT2ToLCD) { /* for LVDS */
tempax |= SupportLCD;
if (resinfo > 0x08)
return 0; /* 1024x768 */
if (resinfo > 0x08)
return 0; /* 1024x768 */
if (pVBInfo->LCDResInfo < Panel_1024x768) {
if (resinfo > 0x07)
return 0; /* 800x600 */
if (pVBInfo->LCDResInfo < Panel_1024x768) {
if (resinfo > 0x07)
return 0; /* 800x600 */
if (resinfo == 0x04)
return 0; /* 512x384 */
}
if (resinfo == 0x04)
return 0; /* 512x384 */
}
}
@ -976,13 +969,11 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo,
Ext_CRTVCLK;
VCLKIndex &= IndexMask;
}
} else { /* LVDS */
if ((pVBInfo->LCDResInfo == Panel_800x600) ||
(pVBInfo->LCDResInfo == Panel_320x480))
VCLKIndex = VCLK40; /* LVDSXlat1VCLK */
else
VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK,
LVDSXlat3VCLK */
} else if ((pVBInfo->LCDResInfo == Panel_800x600) ||
(pVBInfo->LCDResInfo == Panel_320x480)) { /* LVDS */
VCLKIndex = VCLK40; /* LVDSXlat1VCLK */
} else {
VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK, LVDSXlat3VCLK */
}
return VCLKIndex;
@ -2544,11 +2535,10 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
temp = 0x09FC;
else
temp = 0x097C;
} else if (pVBInfo->IF_DEF_HiVision == 1) {
temp = 0x01FC;
} else {
if (pVBInfo->IF_DEF_HiVision == 1)
temp = 0x01FC;
else
temp = 0x017C;
temp = 0x017C;
}
} else { /* 3nd party chip */
temp = SetCRT2ToLCD;
@ -2720,19 +2710,17 @@ static void XGI_GetTVInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
if (pVBInfo->VBInfo & SetCRT2ToHiVision) {
if (pVBInfo->VBInfo & SetInSlaveMode)
tempbx &= (~RPLLDIV2XO);
} else {
if (tempbx &
(TVSetYPbPr525p | TVSetYPbPr750p))
} else if (tempbx &
(TVSetYPbPr525p | TVSetYPbPr750p)) {
tempbx &= (~RPLLDIV2XO);
else if (!(pVBInfo->VBType &
} else if (!(pVBInfo->VBType &
(VB_SIS301B |
VB_SIS302B |
VB_SIS301LV |
VB_SIS302LV |
VB_XGI301C))) {
if (tempbx & TVSimuMode)
tempbx &= (~RPLLDIV2XO);
}
if (tempbx & TVSimuMode)
tempbx &= (~RPLLDIV2XO);
}
}
}
@ -3865,18 +3853,16 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex,
} else {
tempbx -= 10;
}
} else {
if (pVBInfo->TVInfo & TVSimuMode) {
if (pVBInfo->TVInfo & TVSetPAL) {
if (pVBInfo->VBType & VB_SIS301LV) {
if (!(pVBInfo->TVInfo &
(TVSetYPbPr525p |
TVSetYPbPr750p |
TVSetHiVision)))
tempbx += 40;
} else {
} else if (pVBInfo->TVInfo & TVSimuMode) {
if (pVBInfo->TVInfo & TVSetPAL) {
if (pVBInfo->VBType & VB_SIS301LV) {
if (!(pVBInfo->TVInfo &
(TVSetYPbPr525p |
TVSetYPbPr750p |
TVSetHiVision)))
tempbx += 40;
}
} else {
tempbx += 40;
}
}
}
@ -4189,11 +4175,9 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex,
temp += 1;
}
}
} else {
if (pVBInfo->VBInfo & SetInSlaveMode) {
if (ModeNo == 0x2f)
temp += 1;
}
} else if (pVBInfo->VBInfo & SetInSlaveMode) {
if (ModeNo == 0x2f)
temp += 1;
}
}
@ -4858,13 +4842,11 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex,
if (pVBInfo->VBInfo & SetCRT2ToLCD) {
if (tempax > 800)
tempax -= 800;
} else {
if (pVBInfo->VGAHDE > 800) {
if (pVBInfo->VGAHDE == 1024)
tempax = (tempax * 25 / 32) - 1;
else
tempax = (tempax * 20 / 32) - 1;
}
} else if (pVBInfo->VGAHDE > 800) {
if (pVBInfo->VGAHDE == 1024)
tempax = (tempax * 25 / 32) - 1;
else
tempax = (tempax * 20 / 32) - 1;
}
tempax -= 1;
@ -6218,12 +6200,10 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
if (pVBInfo->SetFlag & EnableChA) {
/* Power on */
xgifb_reg_set(pVBInfo->Part1Port, 0x1E, 0x20);
} else {
if (pVBInfo->VBInfo & SetCRT2ToDualEdge) {
/* Power on */
xgifb_reg_set(pVBInfo->Part1Port,
0x1E, 0x20);
}
} else if (pVBInfo->VBInfo & SetCRT2ToDualEdge) {
/* Power on */
xgifb_reg_set(pVBInfo->Part1Port,
0x1E, 0x20);
}
}
@ -6481,16 +6461,14 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info,
XGI_SetLCDAGroup(ModeNo, ModeIdIndex,
HwDeviceExtension, pVBInfo);
}
} else {
if (!(pVBInfo->VBInfo & SwitchCRT2)) {
XGI_SetCRT1Group(xgifb_info,
HwDeviceExtension, ModeNo,
ModeIdIndex, pVBInfo);
if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
XGI_SetLCDAGroup(ModeNo, ModeIdIndex,
HwDeviceExtension,
pVBInfo);
}
} else if (!(pVBInfo->VBInfo & SwitchCRT2)) {
XGI_SetCRT1Group(xgifb_info,
HwDeviceExtension, ModeNo,
ModeIdIndex, pVBInfo);
if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
XGI_SetLCDAGroup(ModeNo, ModeIdIndex,
HwDeviceExtension,
pVBInfo);
}
}