Input: tca6416-keypad - add support for tca6408a

Support 8-bit tca6408a I/O expander as a keypad.

Signed-off-by: Tony SIM <chinyeow.sim.xt@renesas.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index ee85e5bf4b2a..a378e959368e 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -180,20 +180,22 @@ config KEYBOARD_GPIO
           module will be called gpio_keys.
 
 config KEYBOARD_TCA6416
-        tristate "TCA6416 Keypad Support"
+        tristate "TCA6416/TCA6408A Keypad Support"
         depends on I2C
         help
           This driver implements basic keypad functionality
-          for keys connected through TCA6416 IO expander
+          for keys connected through TCA6416/TCA6408A IO expanders.
 
           Say Y here if your device has keys connected to
-          TCA6416 IO expander. Your board-specific setup logic
+          TCA6416/TCA6408A IO expander. Your board-specific setup logic
           must also provide pin-mask details(of which TCA6416 pins
           are used for keypad).
 
-          If enabled the complete TCA6416 device will be managed through
+          If enabled the entire TCA6416 device will be managed through
           this driver.
 
+          To compile this driver as a module, choose M here: the
+          module will be called tca6416_keypad.
 
 config KEYBOARD_MATRIX
         tristate "GPIO driven matrix keypad support"