msm-pcm-lpa: 8960: Issue EOS to DSP after playback is complete

Issue an EOS command to ensure that dsp is completely flushed
before closing the stream. This command is only issued if the
the routing is still enabled.

Change-Id: Id36f2b1a2e5e3fef5dcde759277f3ca4417c17e7
CRs-Fixed: 331532
Signed-off-by: Tejas Shikhare <tshikhar@codeaurora.org>
diff --git a/sound/soc/msm/msm-pcm-routing.h b/sound/soc/msm/msm-pcm-routing.h
index 25efb58..5a93796 100644
--- a/sound/soc/msm/msm-pcm-routing.h
+++ b/sound/soc/msm/msm-pcm-routing.h
@@ -85,4 +85,6 @@
 void msm_pcm_routing_dereg_phy_stream(int fedai_id, int stream_type);
 
 int lpa_set_volume(unsigned volume);
+
+int msm_routing_check_backend_enabled(int fedai_id);
 #endif /*_MSM_PCM_H*/