msm: audio: qdsp6v2: Add support to configure ISO and ARIB coefficients

Add support for configuring ISO or ARIB stereo mixing coefficients.
This change introduces an IOCTL through which the user space can
configure ISO or ARIB coefficients.

Change-Id: Id08c859ce8bc18d7d0e41ce1ecb6a08f0794e067
Signed-off-by: Amal Paul <amal@codeaurora.org>
diff --git a/include/linux/msm_audio_aac.h b/include/linux/msm_audio_aac.h
index 620e5ab..e03c4f8 100644
--- a/include/linux/msm_audio_aac.h
+++ b/include/linux/msm_audio_aac.h
@@ -14,6 +14,9 @@
 #define AUDIO_GET_AAC_ENC_CONFIG  _IOR(AUDIO_IOCTL_MAGIC, \
   (AUDIO_MAX_COMMON_IOCTL_NUM+4), struct msm_audio_aac_enc_config)
 
+#define AUDIO_SET_AAC_MIX_CONFIG  _IOR(AUDIO_IOCTL_MAGIC, \
+	(AUDIO_MAX_COMMON_IOCTL_NUM+5), unsigned)
+
 #define AUDIO_AAC_FORMAT_ADTS		-1
 #define	AUDIO_AAC_FORMAT_RAW		0x0000
 #define	AUDIO_AAC_FORMAT_PSUEDO_RAW	0x0001