ASoC: fsl: Allow to select ESAI 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 fb73e358b552..0a118265c31e 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -30,9 +30,14 @@ config SND_SOC_FSL_SPDIF
           in-tree drivers select it automatically.
 
 config SND_SOC_FSL_ESAI
-        tristate
+        tristate "Enhanced Serial Audio Interface (ESAI) module support"
         select REGMAP_MMIO
         select SND_SOC_FSL_UTILS
+        help
+          Say Y if you want to add Enhanced Synchronous Audio Interface
+          (ESAI) 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_UTILS
         tristate