i2c: Enable PEC on more i2c-i801 devices

Enable PEC on recent Intel SMBus controllers (ICH6, ICH7, ICH8, ICH9
and ESB2.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Jason Gaston <jason.d.gaston@intel.com>

1 files changed, 12 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index c7be2fdbd86b..ae625b854470 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -470,12 +470,20 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
         int err;
 
         I801_dev = dev;
-        if ((dev->device == PCI_DEVICE_ID_INTEL_82801DB_3) ||
-            (dev->device == PCI_DEVICE_ID_INTEL_82801EB_3) ||
-            (dev->device == PCI_DEVICE_ID_INTEL_ESB_4))
+        switch (dev->device) {
+        case PCI_DEVICE_ID_INTEL_82801DB_3:
+        case PCI_DEVICE_ID_INTEL_82801EB_3:
+        case PCI_DEVICE_ID_INTEL_ESB_4:
+        case PCI_DEVICE_ID_INTEL_ICH6_16:
+        case PCI_DEVICE_ID_INTEL_ICH7_17:
+        case PCI_DEVICE_ID_INTEL_ESB2_17:
+        case PCI_DEVICE_ID_INTEL_ICH8_5:
+        case PCI_DEVICE_ID_INTEL_ICH9_6:
                 isich4 = 1;
-        else
+                break;
+        default:
                 isich4 = 0;
+        }
 
         err = pci_enable_device(dev);
         if (err) {