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staging: xgifb: XGI_EnableChISLCD(): delete trivial function

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The function returns always false, delete it.

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 23:59:11 +03:00 committed by Greg Kroah-Hartman
parent a2526d1f32
commit 056b5405fa
1 changed files with 5 additions and 28 deletions
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33
drivers/staging/xgifb/vb_setmode.c
View file

@ -4541,23 +4541,6 @@ static unsigned char XGI_IsLCDON(struct vb_device_info *pVBInfo)
return 0;
}
/* --------------------------------------------------------------------- */
/* Function : XGI_EnableChISLCD */
/* Input : */
/* Output : 0 -> Not LCD mode */
/* Description : if bool enable = true -> enable, else disable */
/* --------------------------------------------------------------------- */
static unsigned char XGI_EnableChISLCD(struct vb_device_info *pVBInfo,
bool enable)
{
unsigned short tempbx, tempah;
tempbx = 0;
tempah = ~((unsigned short) xgifb_reg_get(pVBInfo->Part1Port, 0x2E));
return 0;
}
static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info,
struct xgi_hw_device_info *HwDeviceExtension,
struct vb_device_info *pVBInfo)
@ -4586,7 +4569,6 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info,
if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) {
if (((pVBInfo->VBInfo &
(SetCRT2ToLCD | XGI_SetCRT2ToLCDA))) ||
(XGI_EnableChISLCD(pVBInfo, false)) ||
(XGI_IsLCDON(pVBInfo)))
/* LVDS Driver power down */
xgifb_reg_or(pVBInfo->Part4Port, 0x30, 0x80);
@ -5480,16 +5462,11 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info,
xgifb_reg_and_or(pVBInfo->Part2Port, 0x00, ~0xE0,
0x20); /* shampoo 0129 */
if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) {
if (!XGI_EnableChISLCD(pVBInfo, false)) {
if (XGI_EnableChISLCD(pVBInfo, true) ||
(pVBInfo->VBInfo &
(SetCRT2ToLCD | XGI_SetCRT2ToLCDA)))
/* LVDS PLL power on */
xgifb_reg_and(
pVBInfo->Part4Port,
0x2A,
0x7F);
}
if (pVBInfo->VBInfo &
(SetCRT2ToLCD | XGI_SetCRT2ToLCDA))
/* LVDS PLL power on */
xgifb_reg_and(pVBInfo->Part4Port, 0x2A,
0x7F);
/* LVDS Driver power on */
xgifb_reg_and(pVBInfo->Part4Port, 0x30, 0x7F);
}