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staging: xgifb: use swap() in XGI_WriteDAC()

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Use kernel.h macro definition.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabian Frederick 2015-05-18 19:34:15 +02:00 committed by Greg Kroah-Hartman
parent 3786a0f2bc
commit 64746c0c6a
1 changed files with 6 additions and 13 deletions
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19
drivers/staging/xgifb/vb_setmode.c
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@ -1081,24 +1081,17 @@ static void XGI_WriteDAC(unsigned short dl,
unsigned short dh,
struct vb_device_info *pVBInfo)
{
unsigned short temp, bh, bl;
unsigned short bh, bl;
bh = ah;
bl = al;
if (dl != 0) {
temp = bh;
bh = dh;
dh = temp;
if (dl == 1) {
temp = bl;
bl = dh;
dh = temp;
} else {
temp = bl;
bl = bh;
bh = temp;
}
swap(bh, dh);
if (dl == 1)
swap(bl, dh);
else
swap(bl, bh);
}
outb((unsigned short) dh, pVBInfo->P3c9);
outb((unsigned short) bh, pVBInfo->P3c9);