ASoC: Add a driver for AK4104 S/PDIF transmitter

This adds a driver for the SPI connected AK4104 S/PDIF transmitter
device. Its features are fairly simple, but as there is need to set up
certain bits in the IEC958 information, this better goes into a real
driver.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Mark Brown <broonie@sirena.org.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 628a591c728f..a1af311e7f06 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -14,6 +14,7 @@ config SND_SOC_ALL_CODECS
         select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS
         select SND_SOC_AD1980 if SND_SOC_AC97_BUS
         select SND_SOC_AD73311 if I2C
+        select SND_SOC_AK4104 if SPI_MASTER
         select SND_SOC_AK4535 if I2C
         select SND_SOC_CS4270 if I2C
         select SND_SOC_PCM3008
@@ -60,6 +61,9 @@ config SND_SOC_AD1980
 config SND_SOC_AD73311
         tristate
 
+config SND_SOC_AK4104
+        tristate
+
 config SND_SOC_AK4535
         tristate