From 196602fd1b668810caf44787a81c4a6888064799 Mon Sep 17 00:00:00 2001
From: Tao Zeng<tao.zeng@amlogic.com>
Date: Thu, 31  Dec  2015  03:19:09  +0000
Subject: PD#116311: add ARC support for cec HAL

Change-Id: If417ddd085d2403d1f86373c478ee45f5a5b1482
---
diff --git a/hdmi_cec.c b/hdmi_cec.c
index 9ef9d23..e729b0c 100644
--- a/hdmi_cec.c
+++ b/hdmi_cec.c
@@ -135,6 +135,7 @@ static void check_connect_status(struct aml_cec_hal *hal)
             }
             prev_status &= ~(bit);
             prev_status |= ((port ? 1 : 0) << i);
+            D("now status:%x\n", prev_status);
         }
     }
     hal->con_status = prev_status;
@@ -427,10 +428,11 @@ static void cec_set_option(const struct hdmi_cec_device* dev, int flag, int valu
  */
 static void cec_set_audio_return_channel(const struct hdmi_cec_device* dev, int port_id, int flag)
 {
+    int ret;
     if (!hal_info || hal_info->fd < 0)
         return ;
-    /* TODO: */
-    D("dev:%p, port id:%d, flag:%x\n", dev, port_id, flag);
+    ret = ioctl(hal_info->fd, CEC_IOC_SET_ARC_ENABLE, flag);
+    D("dev:%p, port id:%d, flag:%x, ret:%d\n", dev, port_id, flag, ret);
 }
 
 /*
diff --git a/hdmi_cec.h b/hdmi_cec.h
index fd8cde2..e27acb5 100644
--- a/hdmi_cec.h
+++ b/hdmi_cec.h
@@ -16,6 +16,7 @@
 #define CEC_IOC_ADD_LOGICAL_ADDR        _IOW(CEC_IOC_MAGIC, 0x0B, uint32_t)
 #define CEC_IOC_CLR_LOGICAL_ADDR        _IOW(CEC_IOC_MAGIC, 0x0C, uint32_t)
 #define CEC_IOC_SET_DEV_TYPE            _IOW(CEC_IOC_MAGIC, 0x0D, uint32_t)
+#define CEC_IOC_SET_ARC_ENABLE          _IOW(CEC_IOC_MAGIC, 0x0E, uint32_t)
 
 #define CEC_FAIL_NONE                   0
 #define CEC_FAIL_NACK                   1
--
cgit