commit 8a34ad3c81b3fc1b5912a202831e9a0f0318a9ed
author Satish kumar sugasi <ssugasi@qca.qualcomm.com> Mon Oct 19 18:09:49 2015 -0700
committer Satish kumar sugasi <ssugas@codeaurora.org> Thu May 12 22:31:37 2016 -0700
tree 10cef2fb612c8f367cb05f27522b4e6b132d52c6
parent 84e51de2ea1b5d2e34dfa2a6801bc92ce49b0750

FM: Add SSR support for cherokee

This provide hardware error event to FM module during SOC
failure and resets FM gracefully.

Change-Id: Ic4345e02c8a1cba218414afdfcf3e76734c314b0

helium/radio-helium.h

diff --git a/helium/radio-helium.h b/helium/radio-helium.h
index 9952884..8599316 100644
--- a/helium/radio-helium.h
+++ b/helium/radio-helium.h
@@ -497,6 +497,8 @@
 #define HCI_EV_SEARCH_LIST_COMPLETE     0x14
 #define HCI_EV_RADIO_TEXT_PLUS_ID       0x18
 #define HCI_EV_RADIO_TEXT_PLUS_TAG      0x19
+#define HCI_EV_HW_ERR_EVENT             0x1A
+
 
 #define HCI_REQ_DONE      0
 #define HCI_REQ_PEND      1

helium/radio_helium_hal.c

diff --git a/helium/radio_helium_hal.c b/helium/radio_helium_hal.c
index 0c68972..a9aa9f0 100644
--- a/helium/radio_helium_hal.c
+++ b/helium/radio_helium_hal.c
@@ -103,6 +103,9 @@
     if (radio->mode == FM_TURNING_OFF) {
         jni_cb->disabled_cb();
         radio->mode = FM_OFF;
+        //close the userial port and power off the chip
+      fm_userial_close();
+      fm_power(FM_RADIO_DISABLE);
     }
 }
 
@@ -514,6 +517,13 @@
     }
 }
 
+static void hci_ev_hw_error(char *buff)
+{
+   ALOGE("%s:%s: start", LOG_TAG, __func__);
+   jni_cb->disabled_cb();
+    fm_userial_close();
+}
+
 static void hci_buff_ert(struct rds_grp_data *rds_buf)
 {
     int i;
@@ -701,6 +711,9 @@
     case HCI_EV_RADIO_TEXT_PLUS_TAG:
         hci_ev_rt_plus_tag(((FM_EVT_HDR *)evt_buf)->cmd_params);
         break;
+	case HCI_EV_HW_ERR_EVENT:
+		hci_ev_hw_error(((FM_EVT_HDR *)evt_buf)->cmd_params);
+		break;
     default:
         break;
     }