acer-wmi - Add documentation

Add some initial documentation detailing what acer-wmi is, and how to use
it. Update the Kconfig entry with a reference to the documentation.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 830f51c0ff79..92a85eecab04 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -114,6 +114,9 @@ config ACER_WMI
           wireless radio and bluetooth control, and on some laptops,
           exposes the mail LED and LCD backlight.
 
+          For more information about this driver see
+          <file:Documentation/laptops/acer-wmi.txt>
+
           If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
           here.