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staging/xgifb: Remove unnecessary binary calculation in GetXG27FPBits

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If temp <= 2 no other bits than the lowest two (0x03) can be set anyway
-> this operation can be removed.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Huewe 2013-05-13 23:41:48 +02:00 committed by Greg Kroah-Hartman
parent 9195ba095d
commit 986eb9fad5
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/xgifb/vb_init.c
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@ -1177,9 +1177,7 @@ static unsigned char GetXG27FPBits(struct vb_device_info *pVBInfo)
/* enable GPIOA/B/C read */
xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x03, 0x03);
temp = xgifb_reg_get(pVBInfo->P3d4, 0x48);
if (temp <= 2)
temp &= 0x03;
else
if (temp > 2)
temp = ((temp & 0x04) >> 1) | ((~temp) & 0x01);
xgifb_reg_set(pVBInfo->P3d4, 0x4A, CR4A);