From: Marcel Holtmann <marcel.holtm...@intel.com>

---
 Makefile.am                          |    3 +-
 drivers/huaweimodem/huaweimodem.c    |    2 +
 drivers/huaweimodem/huaweimodem.h    |    3 +
 drivers/huaweimodem/radio-settings.c |  212 ++++++++++++++++++++++++++++++++++
 4 files changed, 219 insertions(+), 1 deletions(-)
 create mode 100644 drivers/huaweimodem/radio-settings.c

diff --git a/Makefile.am b/Makefile.am
index a4c47e8..5d39c23 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -180,7 +180,8 @@ builtin_sources += drivers/atmodem/atutil.h \
                        drivers/huaweimodem/huaweimodem.c \
                        drivers/huaweimodem/voicecall.c \
                        drivers/huaweimodem/audio-settings.c \
-                       drivers/huaweimodem/gprs-context.c
+                       drivers/huaweimodem/gprs-context.c \
+                       drivers/huaweimodem/radio-settings.c
 
 builtin_modules += calypsomodem
 builtin_sources += drivers/atmodem/atutil.h \
diff --git a/drivers/huaweimodem/huaweimodem.c 
b/drivers/huaweimodem/huaweimodem.c
index c8b6522..8097a9c 100644
--- a/drivers/huaweimodem/huaweimodem.c
+++ b/drivers/huaweimodem/huaweimodem.c
@@ -36,6 +36,7 @@ static int huaweimodem_init(void)
 {
        huawei_voicecall_init();
        huawei_audio_settings_init();
+       huawei_radio_settings_init();
        huawei_gprs_context_init();
 
        return 0;
@@ -44,6 +45,7 @@ static int huaweimodem_init(void)
 static void huaweimodem_exit(void)
 {
        huawei_gprs_context_exit();
+       huawei_radio_settings_exit();
        huawei_audio_settings_exit();
        huawei_voicecall_exit();
 }
diff --git a/drivers/huaweimodem/huaweimodem.h 
b/drivers/huaweimodem/huaweimodem.h
index 03d52ef..596aa08 100644
--- a/drivers/huaweimodem/huaweimodem.h
+++ b/drivers/huaweimodem/huaweimodem.h
@@ -27,5 +27,8 @@ extern void huawei_voicecall_exit();
 extern void huawei_audio_settings_init();
 extern void huawei_audio_settings_exit();
 
+extern void huawei_radio_settings_init();
+extern void huawei_radio_settings_exit();
+
 extern void huawei_gprs_context_init();
 extern void huawei_gprs_context_exit();
diff --git a/drivers/huaweimodem/radio-settings.c 
b/drivers/huaweimodem/radio-settings.c
new file mode 100644
index 0000000..7f0b223
--- /dev/null
+++ b/drivers/huaweimodem/radio-settings.c
@@ -0,0 +1,212 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/radio-settings.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "huaweimodem.h"
+
+static const char *none_prefix[] = { NULL };
+static const char *xrat_prefix[] = { "^SYSCFG:", NULL };
+
+struct radio_settings_data {
+       GAtChat *chat;
+};
+
+static void xrat_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct cb_data *cbd = user_data;
+       ofono_radio_settings_rat_mode_query_cb_t cb = cbd->cb;
+       enum ofono_radio_access_mode mode;
+       struct ofono_error error;
+       GAtResultIter iter;
+       int value;
+
+       decode_at_error(&error, g_at_result_final_response(result));
+
+       if (!ok) {
+               cb(&error, -1, cbd->data);
+               return;
+       }
+
+       g_at_result_iter_init(&iter, result);
+
+       if (g_at_result_iter_next(&iter, "^SYSCFG:") == FALSE)
+               goto error;
+
+       if (g_at_result_iter_next_number(&iter, &value) == FALSE)
+               goto error;
+
+       switch (value) {
+       case 2:
+               mode = OFONO_RADIO_ACCESS_MODE_ANY;
+               break;
+       case 13:
+               mode = OFONO_RADIO_ACCESS_MODE_GSM;
+               break;
+       case 14:
+               mode = OFONO_RADIO_ACCESS_MODE_UMTS;
+               break;
+       default:
+               CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+               return;
+       }
+
+       cb(&error, mode, cbd->data);
+
+       return;
+
+error:
+       CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+}
+
+static void huawei_query_rat_mode(struct ofono_radio_settings *rs,
+                               ofono_radio_settings_rat_mode_query_cb_t cb,
+                               void *data)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+       struct cb_data *cbd = cb_data_new(cb, data);
+
+       if (g_at_chat_send(rsd->chat, "AT^SYSCFG?", xrat_prefix,
+                                       xrat_query_cb, cbd, g_free) == 0) {
+               CALLBACK_WITH_FAILURE(cb, -1, data);
+               g_free(cbd);
+       }
+}
+
+static void xrat_modify_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct cb_data *cbd = user_data;
+       ofono_radio_settings_rat_mode_set_cb_t cb = cbd->cb;
+       struct ofono_error error;
+
+       decode_at_error(&error, g_at_result_final_response(result));
+       cb(&error, cbd->data);
+}
+
+static void huawei_set_rat_mode(struct ofono_radio_settings *rs,
+                               enum ofono_radio_access_mode mode,
+                               ofono_radio_settings_rat_mode_set_cb_t cb,
+                               void *data)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+       struct cb_data *cbd = cb_data_new(cb, data);
+       char buf[40];
+       int value = 2;
+
+       switch (mode) {
+       case OFONO_RADIO_ACCESS_MODE_ANY:
+               value = 2;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_GSM:
+               value = 13;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_UMTS:
+               value = 14;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_LTE:
+               goto error;
+       }
+
+       snprintf(buf, sizeof(buf), "AT^SYSCFG=%u,0,3FFFFFFF,2,4", value);
+
+       if (g_at_chat_send(rsd->chat, buf, none_prefix,
+                                       xrat_modify_cb, cbd, g_free) > 0)
+               return;
+
+error:
+       CALLBACK_WITH_FAILURE(cb, data);
+       g_free(cbd);
+}
+
+static void xrat_support_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_radio_settings *rs = user_data;
+
+       if (!ok)
+               return;
+
+       ofono_radio_settings_register(rs);
+}
+
+static int huawei_radio_settings_probe(struct ofono_radio_settings *rs,
+                                       unsigned int vendor, void *data)
+{
+       GAtChat *chat = data;
+       struct radio_settings_data *rsd;
+
+       rsd = g_try_new0(struct radio_settings_data, 1);
+       if (rsd == NULL)
+               return -ENOMEM;
+
+       rsd->chat = g_at_chat_clone(chat);
+
+       ofono_radio_settings_set_data(rs, rsd);
+
+       g_at_chat_send(rsd->chat, "AT^SYSCFG=?", xrat_prefix,
+                                       xrat_support_cb, rs, NULL);
+
+       return 0;
+}
+
+static void huawei_radio_settings_remove(struct ofono_radio_settings *rs)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+
+       ofono_radio_settings_set_data(rs, NULL);
+
+       g_at_chat_unref(rsd->chat);
+       g_free(rsd);
+}
+
+static struct ofono_radio_settings_driver driver = {
+       .name                   = "huaweimodem",
+       .probe                  = huawei_radio_settings_probe,
+       .remove                 = huawei_radio_settings_remove,
+       .query_rat_mode         = huawei_query_rat_mode,
+       .set_rat_mode           = huawei_set_rat_mode
+};
+
+void huawei_radio_settings_init()
+{
+       ofono_radio_settings_driver_register(&driver);
+}
+
+void huawei_radio_settings_exit()
+{
+       ofono_radio_settings_driver_unregister(&driver);
+}
-- 
1.7.3.2

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