[PATCH v2 4/4] iio: add configuration option for debug support

[Otavio Salvador]

Signed-off-by: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>
---
Changes in v2:
- Rework Kconfig help (Lars-Peter Clausen)

 drivers/iio/Kconfig  | 7 +++++++
 drivers/iio/Makefile | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index 9af763a..e5d1cfc 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -12,6 +12,13 @@ menuconfig IIO
 
 if IIO
 
+config IIO_DEBUG
+	boolean "Debug support for Industrial I/O"
+	depends on DEBUG_KERNEL
+	help
+	  Say "yes" to enable debug messaging (like dev_dbg and pr_debug)
+	  support in Industrial I/O subsystem and drivers.
+
 config IIO_BUFFER
 	bool "Enable buffer support within IIO"
 	help
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index 7a3866c..6e43e5b 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -2,6 +2,8 @@
 # Makefile for the industrial I/O core.
 #
 
+ccflags-$(CONFIG_IIO_DEBUG) := -DDEBUG
+
 obj-$(CONFIG_IIO) += industrialio.o
 industrialio-y := industrialio-core.o industrialio-event.o inkern.o
 industrialio-$(CONFIG_IIO_BUFFER) += industrialio-buffer.o
-- 
1.8.3.2

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