diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 0eb4170..9a22816 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -635,6 +635,20 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called pc87427.
 
+config SENSORS_PCF8591
+	tristate "Philips PCF8591 ADC/DAC"
+	depends on I2C
+	default n
+	help
+	  If you say yes here you get support for Philips PCF8591 4-channel
+	  ADC, 1-channel DAC chips.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called pcf8591.
+
+	  These devices are hard to detect and rarely found on mainstream
+	  hardware.  If unsure, say N.
+
 config SENSORS_SIS5595
 	tristate "Silicon Integrated Systems Corp. SiS5595"
 	depends on PCI