hwmon: (mcp3021) Add MCP3221 support

This Patch adds support for mcp3221 chip to the
mcp3021 driver.

Signed-off-by: Sven Schuchmann <schuchmann@schleissheimer.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 6bc49cfb9f7b..c74e73b2069a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -855,11 +855,12 @@ config SENSORS_MAX6650
           will be called max6650.
 
 config SENSORS_MCP3021
-        tristate "Microchip MCP3021"
+        tristate "Microchip MCP3021 and compatibles"
         depends on I2C
         help
-          If you say yes here you get support for the MCP3021 chip
-          that is a A/D converter (ADC) with 10-bit resolution.
+          If you say yes here you get support for MCP3021 and MCP3221.
+          The MCP3021 is a A/D converter (ADC) with 10-bit and the MCP3221
+          with 12-bit resolution.
 
           This driver can also be built as a module.  If so, the module
           will be called mcp3021.