ASoC: fsl: Allow to select SAI device individually

This will be useful for out-of-tree drivers since in-tree drivers
could select it automatically.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 7a7eaf32158f..fb73e358b552 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -3,9 +3,14 @@ menu "SoC Audio for Freescale CPUs"
 comment "Common SoC Audio options for Freescale CPUs:"
 
 config SND_SOC_FSL_SAI
-        tristate
+        tristate "Synchronous Audio Interface (SAI) module support"
         select REGMAP_MMIO
         select SND_SOC_GENERIC_DMAENGINE_PCM
+        help
+          Say Y if you want to add Synchronous Audio Interface (SAI)
+          support for the Freescale CPUs.
+          This option is only useful for out-of-tree drivers since
+          in-tree drivers select it automatically.
 
 config SND_SOC_FSL_SSI
         tristate "Synchronous Serial Interface module support"