diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index cb59f99..41543a4 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2218,7 +2218,7 @@
 	codec->card = card;
 	codec->pci = pci;
 	codec->irq = -1;
-	pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision);
+	codec->revision = pci->revision;
 	codec->spdif_support = spdif_support;
 
 	if (pcm_streams < 1)