ALSA: core: add makefile and kconfig file for compress

Signed-off-by: Vinod Koul <[e-mail]>
Signed-off-by: Pierre-Louis Bossart <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/core/Kconfig

···
 
 	  If you are unsure about this, say N here.
 
+config SND_COMPRESS_OFFLOAD
+	tristate "ALSA Compressed audio offload support"
+	default n
+	help
+	  If you want support for offloading compressed audio and have such
+	  a hardware, then you should say Y here and also to the DSP driver
+	  of your platform.
+
+	  If you are unsure about this, say N here.
+
 config SND_SUPPORT_OLD_API
 	bool "Support old ALSA API"
 	default y

sound/core/Makefile

···
 snd-rtctimer-objs := rtctimer.o
 snd-hwdep-objs    := hwdep.o
 
+snd-compress-objs := compress_offload.o
+
 obj-$(CONFIG_SND) 		+= snd.o
 obj-$(CONFIG_SND_HWDEP)		+= snd-hwdep.o
 obj-$(CONFIG_SND_TIMER)		+= snd-timer.o
···
 
 obj-$(CONFIG_SND_OSSEMUL)	+= oss/
 obj-$(CONFIG_SND_SEQUENCER)	+= seq/
+
+obj-$(CONFIG_SND_COMPRESS_OFFLOAD)	+= snd-compress.o