msm: audio: qdsp5: Driver to support Open DSP Voice Loopback.

Voice Loopback is a feature where Tx audio is transimitted back
to Rx path.

Signed-off-by: Manish Dewangan <manish@codeaurora.org>
diff --git a/arch/arm/mach-msm/qdsp5/Makefile b/arch/arm/mach-msm/qdsp5/Makefile
index 9f6159c..a4a43ed 100644
--- a/arch/arm/mach-msm/qdsp5/Makefile
+++ b/arch/arm/mach-msm/qdsp5/Makefile
@@ -6,6 +6,7 @@
 obj-y += adsp_lpm_verify_cmd.o
 ifdef CONFIG_MSM7X27A_AUDIO
 obj-y += audio_pcm_in.o
+obj-$(CONFIG_DEBUG_FS) += audio_voice_lb.o
 else
 obj-y += audio_in.o snd_pcm_client.o
 endif