ASoC: Initial WM8741 CODEC driver

The WM8741 is a very high performance stereo DAC designed for audio
applications such as professional recording systems, A/V receivers and
high specification CD, DVD and home theatre systems. The device supports
PCM data input word lengths from 16 to 32-bits and sampling rates up to
192kHz.  The WM8741 also supports DSD bit-stream data format, in both
direct DSD and PCM-converted DSD modes.

TODO: Expand wm8741_set_dai_sysclk and rate_constraint members to
allow for all supported sample rate / Master Clock frequency combinations.
Fully enable control of supplies.

Signed-off-by: Ian Lartey <ian@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.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 55bc2beffb3a..83f5c67d3c41 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -50,6 +50,7 @@ config SND_SOC_ALL_CODECS
         select SND_SOC_WM8727
         select SND_SOC_WM8728 if SND_SOC_I2C_AND_SPI
         select SND_SOC_WM8731 if SND_SOC_I2C_AND_SPI
+        select SND_SOC_WM8741 if SND_SOC_I2C_AND_SPI
         select SND_SOC_WM8750 if SND_SOC_I2C_AND_SPI
         select SND_SOC_WM8753 if SND_SOC_I2C_AND_SPI
         select SND_SOC_WM8776 if SND_SOC_I2C_AND_SPI
@@ -214,6 +215,9 @@ config SND_SOC_WM8728
 config SND_SOC_WM8731
         tristate
 
+config SND_SOC_WM8741
+        tristate
+
 config SND_SOC_WM8750
         tristate