diff --git a/tools/quick_dump/chipset.i b/tools/quick_dump/chipset.i
index 2f4f5ef9..e1f262d4 100644
--- a/tools/quick_dump/chipset.i
+++ b/tools/quick_dump/chipset.i
@@ -10,6 +10,7 @@ extern int is_valleyview(unsigned short pciid);
 extern struct pci_device *intel_get_pci_device();
 extern int intel_register_access_init(struct pci_device *pci_dev, int safe);
 extern uint32_t intel_register_read(uint32_t reg);
+extern uint32_t intel_register_write(uint32_t reg, uint32_t val);
 extern void intel_register_access_fini();
 extern unsigned short pcidev_to_devid(struct pci_device *pci_dev);
 %}
@@ -20,5 +21,6 @@ extern int is_valleyview(unsigned short pciid);
 extern struct pci_device *intel_get_pci_device();
 extern int intel_register_access_init(struct pci_device *pci_dev, int safe);
 extern uint32_t intel_register_read(uint32_t reg);
+extern uint32_t intel_register_write(uint32_t reg, uint32_t val);
 extern void intel_register_access_fini();
 extern unsigned short pcidev_to_devid(struct pci_device *pci_dev);
diff --git a/tools/quick_dump/reg_access.py b/tools/quick_dump/reg_access.py
index 0f634245..e064c99c 100755
--- a/tools/quick_dump/reg_access.py
+++ b/tools/quick_dump/reg_access.py
@@ -6,6 +6,9 @@ def read(reg):
 	val = chipset.intel_register_read(reg)
 	return val
 
+def write(reg, val):
+	chipset.intel_register_write(reg, val)
+
 def init():
 	pci_dev = chipset.intel_get_pci_device()
 	ret = chipset.intel_register_access_init(pci_dev, 0)