msm: 7x27a: audio: set LPA mode for LPA session

New bit has been added in DSP to identify LPA session.
Changes to set LPA decode bit for LPA session.

Change-Id: I39fde10b0f6af6c9543c0da690859311edd8d02c
Signed-off-by: Phani Kumar Allada <pallad@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/qdsp5/qdsp5audppcmdi.h b/arch/arm/mach-msm/include/mach/qdsp5/qdsp5audppcmdi.h
index 86216d4..98f20a2 100644
--- a/arch/arm/mach-msm/include/mach/qdsp5/qdsp5audppcmdi.h
+++ b/arch/arm/mach-msm/include/mach/qdsp5/qdsp5audppcmdi.h
@@ -73,6 +73,7 @@
 #define AUDPP_CMD_ENA_DEC_V         	0x4000
 #define AUDPP_CMD_DIS_DEC_V        	0x0000
 #define AUDPP_CMD_DEC_STATE_M          	0x4000
+#define AUDPP_CMD_LPA_MODE		0x2000
 
 #define AUDPP_CMD_UPDATDE_CFG_DEC	0x8000
 #define AUDPP_CMD_DONT_UPDATE_CFG_DEC	0x0000
diff --git a/arch/arm/mach-msm/qdsp5/audio_lpa.c b/arch/arm/mach-msm/qdsp5/audio_lpa.c
index 14a9e57..fe7b270 100644
--- a/arch/arm/mach-msm/qdsp5/audio_lpa.c
+++ b/arch/arm/mach-msm/qdsp5/audio_lpa.c
@@ -464,7 +464,8 @@
 	cfg_dec_cmd[0] = AUDPP_CMD_CFG_DEC_TYPE;
 	if (enable)
 		cfg_dec_cmd[1 + audio->dec_id] = AUDPP_CMD_UPDATDE_CFG_DEC |
-				AUDPP_CMD_ENA_DEC_V | AUDDEC_DEC_PCM;
+				AUDPP_CMD_ENA_DEC_V | AUDDEC_DEC_PCM |
+				AUDPP_CMD_LPA_MODE;
 	else
 		cfg_dec_cmd[1 + audio->dec_id] = AUDPP_CMD_UPDATDE_CFG_DEC |
 				AUDPP_CMD_DIS_DEC_V;