From 12374d726faeb2aaa87d4e22a6558ca24d0c8695 Mon Sep 17 00:00:00 2001
From: Ricardo Cerqueira <cyanogenmod@cerqueira.org>
Date: Fri, 1 Nov 2013 20:35:09 +0000
Subject: wifi: Choose correct nvram file on samsung hardware

Change-Id: I9d428ae61c1ce80d97e6ea513839ed64e8f61440
---
 wifi/Android.mk |  5 +++++
 wifi/wifi.c     | 42 ++++++++++++++++++++++++++++++++++++++----
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/wifi/Android.mk b/wifi/Android.mk
index 6421b4a..32e0e32 100644
--- a/wifi/Android.mk
+++ b/wifi/Android.mk
@@ -51,4 +51,9 @@ ifdef WPA_SUPPLICANT_VERSION
 LOCAL_CFLAGS += -DLIBWPA_CLIENT_EXISTS
 LOCAL_SHARED_LIBRARIES += libwpa_client
 endif
+
+ifeq ($(BOARD_HAVE_SAMSUNG_WIFI),true)
+LOCAL_CFLAGS += -DSAMSUNG_WIFI
+endif
+
 LOCAL_SHARED_LIBRARIES += libnetutils
diff --git a/wifi/wifi.c b/wifi/wifi.c
index cc76d21..7418fb1 100644
--- a/wifi/wifi.c
+++ b/wifi/wifi.c
@@ -151,6 +151,31 @@ static char supplicant_name[PROPERTY_VALUE_MAX];
 /* Is either SUPP_PROP_NAME or P2P_PROP_NAME */
 static char supplicant_prop_name[PROPERTY_KEY_MAX];
 
+#ifdef SAMSUNG_WIFI
+char* get_samsung_wifi_type()
+{
+    char buf[10];
+    int fd = open("/data/.cid.info", O_RDONLY);
+    if (fd < 0)
+        return NULL;
+
+    if (read(fd, buf, sizeof(buf)) < 0) {
+        close(fd);
+        return NULL;
+    }
+
+    close(fd);
+
+    if (strncmp(buf, "murata", 6) == 0)
+        return "_murata";
+
+    if (strncmp(buf, "semcove", 7) == 0)
+        return "_semcove";
+
+    return NULL;
+}
+#endif
+
 int insmod(const char *filename, const char *args)
 {
     void *module;
@@ -275,13 +300,22 @@ int wifi_load_driver()
 #ifdef WIFI_DRIVER_MODULE_PATH
     char driver_status[PROPERTY_VALUE_MAX];
     int count = 100; /* wait at most 20 seconds for completion */
+    char module_arg2[256];
 
-    if (is_wifi_driver_loaded()) {
-        return 0;
-    }
+#ifdef SAMSUNG_WIFI
+    char* type = get_samsung_wifi_type();
+    snprintf(module_arg2, sizeof(module_arg2), "%s%s", DRIVER_MODULE_ARG, type == NULL ? "" : type);
 
-    if (insmod(DRIVER_MODULE_PATH, DRIVER_MODULE_ARG) < 0)
+    if (insmod(DRIVER_MODULE_PATH, module_arg2) < 0) {
+#else
+    if (insmod(DRIVER_MODULE_PATH, DRIVER_MODULE_ARG) < 0) {
+#endif
+
+#ifdef WIFI_EXT_MODULE_NAME
+        rmmod(EXT_MODULE_NAME);
+#endif
         return -1;
+    }
 
     if (strcmp(FIRMWARE_LOADER,"") == 0) {
         /* usleep(WIFI_DRIVER_LOADER_DELAY); */
-- 
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