sandbox: exynos: Move CONFIG_I2S_SAMSUNG to Kconfig
Move this over to Kconfig and tidy up.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/sound/Kconfig b/drivers/sound/Kconfig
index 759a10f..1b97af0 100644
--- a/drivers/sound/Kconfig
+++ b/drivers/sound/Kconfig
@@ -18,3 +18,13 @@
SoC to the audio codec. This option enables sound support using
I2S. It calls either of the two supported codecs (no use is made
of driver model at present).
+
+config I2S_SAMSUNG
+ bool "Enable I2C support for Samsung SoCs"
+ depends on SOUND
+ help
+ Samsung Exynos SoCs support an I2S interface for sending audio
+ data to an audio codec. This option enables support for this,
+ using one of the available audio codec drivers. Enabling this
+ option provides an implementation for sound_init() and
+ sound_play().