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-rw-r--r--drivers/iio/buffer/Kconfig20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/iio/buffer/Kconfig b/drivers/iio/buffer/Kconfig
index 0a7b2fd3699b..4ffd3db7817f 100644
--- a/drivers/iio/buffer/Kconfig
+++ b/drivers/iio/buffer/Kconfig
@@ -9,6 +9,26 @@ config IIO_BUFFER_CB
Should be selected by any drivers that do in-kernel push
usage. That is, those where the data is pushed to the consumer.
+config IIO_BUFFER_DMA
+ tristate
+ help
+ Provides the generic IIO DMA buffer infrastructure that can be used by
+ drivers for devices with DMA support to implement the IIO buffer.
+
+ Should be selected by drivers that want to use the generic DMA buffer
+ infrastructure.
+
+config IIO_BUFFER_DMAENGINE
+ tristate
+ select IIO_BUFFER_DMA
+ help
+ Provides a bonding of the generic IIO DMA buffer infrastructure with the
+ DMAengine framework. This can be used by converter drivers with a DMA port
+ connected to an external DMA controller which is supported by the
+ DMAengine framework.
+
+ Should be selected by drivers that want to use this functionality.
+
config IIO_KFIFO_BUF
tristate "Industrial I/O buffering based on kfifo"
help