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-rw-r--r--src/southbridge/sis/sis966/early_smbus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/southbridge/sis/sis966/early_smbus.c b/src/southbridge/sis/sis966/early_smbus.c
index df91c86905..15d4f4ceef 100644
--- a/src/southbridge/sis/sis966/early_smbus.c
+++ b/src/southbridge/sis/sis966/early_smbus.c
@@ -578,7 +578,7 @@ static void sis_init_stage1(void)
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_SIS, PCI_DEVICE_ID_SIS_SIS761), 0); //Disable Internal GUI enable bit
temp8 = pci_read_config8(dev, 0x4C);
GUI_En = temp8 & 0x10;
- pci_write_config8(dev, 0x4C, temp8 & (!0x10));
+ pci_write_config8(dev, 0x4C, temp8 & (~0x10));
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_SIS, PCI_DEVICE_ID_SIS_SIS761_PCIE), 0);
i=0;