[ALSA] ASoC codecs: build files

This patch adds an ASoC Makefile and Kconfig for the WM8731, WM8750 and
WM9712 codecs.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

4 files changed, 31 insertions, 1 deletions

diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 200709f4b708..288bad30b213 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -5,6 +5,9 @@
 menu "SoC audio support"
         depends on SND!=n
 
+config SND_SOC_AC97_BUS
+        bool
+
 config SND_SOC
         tristate "SoC audio support"
         ---help---
@@ -16,4 +19,7 @@ config SND_SOC
           This SoC audio support can also be built as a module.  If so, the module
           will be called snd-soc-core.
 
+# Supported codecs
+source "sound/soc/codecs/Kconfig"
+
 endmenu
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index b211ee63fd76..3dd4f20c5ecf 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -1,4 +1,4 @@
 snd-soc-core-objs := soc-core.o soc-dapm.o
 
 obj-$(CONFIG_SND_SOC)   += snd-soc-core.o
-
+obj-$(CONFIG_SND_SOC)   += codecs/
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
new file mode 100644
index 000000000000..78ac2688e124
--- /dev/null
+++ b/sound/soc/codecs/Kconfig
@@ -0,0 +1,15 @@
+config SND_SOC_AC97_CODEC
+        tristate
+        depends SND_SOC
+
+config SND_SOC_WM8731
+        tristate
+        depends SND_SOC
+
+config SND_SOC_WM8750
+        tristate
+        depends SND_SOC
+
+config SND_SOC_WM9712
+        tristate
+        depends SND_SOC
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
new file mode 100644
index 000000000000..3249a6e4f1d0
--- /dev/null
+++ b/sound/soc/codecs/Makefile
@@ -0,0 +1,9 @@
+snd-soc-ac97-objs := ac97.o
+snd-soc-wm8731-objs := wm8731.o
+snd-soc-wm8750-objs := wm8750.o
+snd-soc-wm9712-objs := wm9712.o
+
+obj-$(CONFIG_SND_SOC_AC97_CODEC)        += snd-soc-ac97.o
+obj-$(CONFIG_SND_SOC_WM8731)    += snd-soc-wm8731.o
+obj-$(CONFIG_SND_SOC_WM8750)    += snd-soc-wm8750.o
+obj-$(CONFIG_SND_SOC_WM9712)    += snd-soc-wm9712.o