staging:iio:dummy Add event support + fake event generator

The event generator is not very pretty but does the job and
allows this driver to look a lot more like a normal driver
than it otherwise would.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 17 insertions, 3 deletions

diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index 0accc21d4e9..75128a0480c 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -70,12 +70,26 @@ source "drivers/staging/iio/meter/Kconfig"
 source "drivers/staging/iio/resolver/Kconfig"
 source "drivers/staging/iio/trigger/Kconfig"
 
+config IIO_DUMMY_EVGEN
+       tristate
+
 config IIO_SIMPLE_DUMMY
        tristate "An example driver with no hardware requirements"
+       select IIO_SIMPLE_DUMMY_EVGEN if IIO_SIMPLE_DUMMY_EVENTS
        help
-        Driver intended mainly as documentation for how to write
-        a driver. May also be useful for testing userspace code
-        without hardward.
+         Driver intended mainly as documentation for how to write
+         a driver. May also be useful for testing userspace code
+         without hardward.
+
+if IIO_SIMPLE_DUMMY
+
+config IIO_SIMPLE_DUMMY_EVENTS
+       boolean "Event generation support"
+       select IIO_DUMMY_EVGEN
+       help
+         Add some dummy events to the simple dummy driver.
+
 
+endif # IIO_SIMPLE_DUMMY
 
 endif # IIO