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Diffstat (limited to 'drivers/iio/dummy/Kconfig')
-rw-r--r--drivers/iio/dummy/Kconfig31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/iio/dummy/Kconfig b/drivers/iio/dummy/Kconfig
index aa5824d96a43..1f46cb9e51b7 100644
--- a/drivers/iio/dummy/Kconfig
+++ b/drivers/iio/dummy/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Industrial I/O subsystem Dummy Driver configuration
#
@@ -5,33 +6,41 @@ menu "IIO dummy driver"
depends on IIO
config IIO_DUMMY_EVGEN
- select IRQ_WORK
+ select IRQ_SIM
tristate
config IIO_SIMPLE_DUMMY
- tristate "An example driver with no hardware requirements"
- depends on IIO_SW_DEVICE
- help
- Driver intended mainly as documentation for how to write
- a driver. May also be useful for testing userspace code
- without hardware.
+ tristate "An example driver with no hardware requirements"
+ depends on IIO_SW_DEVICE
+ help
+ Driver intended mainly as documentation for how to write
+ a driver. May also be useful for testing userspace code
+ without hardware.
if IIO_SIMPLE_DUMMY
config IIO_SIMPLE_DUMMY_EVENTS
- bool "Event generation support"
- select IIO_DUMMY_EVGEN
- help
- Add some dummy events to the simple dummy driver.
+ bool "Event generation support"
+ select IIO_DUMMY_EVGEN
+ help
+ Add some dummy events to the simple dummy driver.
+
+ The purpose of this is to generate 'fake' event interrupts thus
+ allowing that driver's code to be as close as possible to that
+ a normal driver talking to hardware.
config IIO_SIMPLE_DUMMY_BUFFER
bool "Buffered capture support"
select IIO_BUFFER
select IIO_TRIGGER
select IIO_KFIFO_BUF
+ select IIO_TRIGGERED_BUFFER
help
Add buffered data capture to the simple dummy driver.
+ Buffer handling elements of industrial I/O reference driver.
+ Uses the kfifo buffer.
+
endif # IIO_SIMPLE_DUMMY
endmenu