[ALSA] Add snd-riptide driver for Conexant Riptide chip

Add snd-riptide driver for Conexant Riptide chip by Peter Gruber.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/riptide/Makefile b/sound/pci/riptide/Makefile
new file mode 100644
index 0000000..dcd2e64
--- /dev/null
+++ b/sound/pci/riptide/Makefile
@@ -0,0 +1,3 @@
+snd-riptide-objs := riptide.o
+
+obj-$(CONFIG_SND_RIPTIDE) += snd-riptide.o