From 4a924fdcae4493b082295b76511d448456c5e36a Mon Sep 17 00:00:00 2001
From: Kiran Kelageri <kirankelageri@codeaurora.org>
Date: Tue, 4 Aug 2015 15:46:33 -0700
Subject: Bluetooth: Enable SSR.

Enabling SSR feature.

Change-Id: I26eab5b3a10ac7823ff5e9f2adc3bc187939c87e
---
 hci/src/hci_layer.c | 19 ++++++++++++++++++-
 hci/src/vendor.c    |  8 ++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

(limited to 'hci/src')

diff --git a/hci/src/hci_layer.c b/hci/src/hci_layer.c
index 5138ce6e1..0d1c62b92 100644
--- a/hci/src/hci_layer.c
+++ b/hci/src/hci_layer.c
@@ -44,6 +44,7 @@
 #include "packet_fragmenter.h"
 #include "osi/include/reactor.h"
 #include "vendor.h"
+#include "bt_target.h"
 
 // TODO(zachoverflow): remove this hack extern
 #include <hardware/bluetooth.h>
@@ -162,6 +163,8 @@ static bool filter_incoming_event(BT_HDR *packet);
 static serial_data_type_t event_to_data_type(uint16_t event);
 static waiting_command_t *get_waiting_command(command_opcode_t opcode);
 
+void ssr_cleanup (void);
+
 // Module lifecycle functions
 
 static future_t *start_up(void) {
@@ -517,7 +520,8 @@ static void command_timed_out(UNUSED_ATTR void *context) {
   }
 
   LOG_ERROR("%s restarting the bluetooth process.", __func__);
-  usleep(10000);
+  ssr_cleanup();
+  usleep(20000);
   kill(getpid(), SIGKILL);
 }
 
@@ -690,6 +694,18 @@ intercepted:;
   return true;
 }
 
+/** SSR cleanup is used in HW reset cases
+** which would close all the client channels
+** and turns off the chip*/
+void ssr_cleanup (void) {
+   LOG_INFO("%s", __func__);
+   if (vendor != NULL) {
+       vendor->ssr_cleanup();
+   } else {
+       LOG_ERROR("%s: vendor is NULL", __func__);
+   }
+}
+
 // Callback for the fragmenter to dispatch up a completely reassembled packet
 static void dispatch_reassembled(BT_HDR *packet) {
   // Events should already have been dispatched before this point
@@ -758,6 +774,7 @@ static void init_layer_interface() {
     interface.transmit_command = transmit_command;
     interface.transmit_command_futured = transmit_command_futured;
     interface.transmit_downward = transmit_downward;
+    interface.ssr_cleanup = ssr_cleanup;
     interface_created = true;
   }
 }
diff --git a/hci/src/vendor.c b/hci/src/vendor.c
index 2e220e4a7..ccc0003d5 100644
--- a/hci/src/vendor.c
+++ b/hci/src/vendor.c
@@ -89,6 +89,13 @@ static void vendor_close(void) {
   lib_interface = NULL;
   lib_handle = NULL;
 }
+void vendor_ssrcleanup(void) {
+  if (lib_interface)
+    lib_interface->ssr_cleanup();
+  else
+    LOG_ERROR("%s lib_interface is NULL", __func__);
+
+}
 
 static int send_command(vendor_opcode_t opcode, void *param) {
   assert(lib_interface != NULL);
@@ -204,6 +211,7 @@ static const vendor_t interface = {
   send_command,
   send_async_command,
   set_callback,
+  vendor_ssrcleanup
 };
 
 const vendor_t *vendor_get_interface() {
-- 
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