sound: ASoC: Add WM8971 CODEC driver

The WM8971 is a low power, high quality stereo codec designed for
portable digital audio applications.

This driver was originally written by Kenneth Kiraly.  While out of tree
it has had updates to reflect current kernel APIs and coding standards
from Graeme Gregory and Mark Brown.

Signed-off-by: Kenneth Kiraly <kiraly@lab126.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 27f2dfa7ca1a..e0b9869df0f1 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -16,6 +16,7 @@ config SND_SOC_ALL_CODECS
         select SND_SOC_WM8753
         select SND_SOC_WM8900
         select SND_SOC_WM8903
+        select SND_SOC_WM8971
         select SND_SOC_WM8990
         help
           Normally ASoC codec drivers are only built if a machine driver which
@@ -89,6 +90,9 @@ config SND_SOC_WM8900
 config SND_SOC_WM8903
         tristate
 
+config SND_SOC_WM8971
+        tristate
+
 config SND_SOC_WM8990
         tristate