ASoC: Blackfin: ADAU1X61 eval board support

This patch adds a ASoC machine driver to support the EVAL-ADAU1X61 board
connected to a Analog Devices BF5XX evaluation board.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig
index 6347d59..8c3a87b 100644
--- a/sound/soc/blackfin/Kconfig
+++ b/sound/soc/blackfin/Kconfig
@@ -43,6 +43,19 @@
 	  Note: This driver assumes that first ADAU1373 DAI is connected to the
 	  first SPORT port on the BF5XX board.
 
+config SND_SOC_BFIN_EVAL_ADAU1X61
+	tristate "Support for the EVAL-ADAU1X61 board on Blackfin eval boards"
+	depends on SND_BF5XX_I2S && I2C
+	select SND_BF5XX_SOC_I2S
+	select SND_SOC_ADAU1761_I2C
+	help
+	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1X61
+	  board connected to one of the Blackfin evaluation boards like the
+	  BF5XX-STAMP or BF5XX-EZKIT.
+
+	  Note: This driver assumes that the ADAU1X61 is connected to the
+	  first SPORT port on the BF5XX board.
+
 config SND_SOC_BFIN_EVAL_ADAV80X
 	tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"
 	depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI