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-rw-r--r--src/southbridge/via/vt8237r/vt8237r.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8237r/vt8237r.h b/src/southbridge/via/vt8237r/vt8237r.h
index 54a46f8a72..d54c533aee 100644
--- a/src/southbridge/via/vt8237r/vt8237r.h
+++ b/src/southbridge/via/vt8237r/vt8237r.h
@@ -47,6 +47,7 @@
#define IDE_UDMA 0x50
/* SMBus */
+#define VT8237R_PSON 0x82
#define VT8237R_POWER_WELL 0x94
#define VT8237R_SMBUS_IO_BASE_REG 0xd0
#define VT8237R_SMBUS_HOST_CONF 0xd2