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usb_moded-modules-android.c
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usb_moded-modules-android.c
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/**
@file usb_moded-modules-android.c
Copyright (C) 2012 Jolla. All rights reserved.
@author: Philippe De Swert <philippe.deswert@jollamobile.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the Lesser 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 Lesser 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
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include <libkmod.h>
#include "usb_moded.h"
#include "usb_moded-modules.h"
#include "usb_moded-log.h"
#include "usb_moded-config.h"
#include "usb_moded-dbus.h"
#include "usb_moded-dbus-private.h"
#include "usb_moded-config.h"
#include "usb_moded-modesetting.h"
/* kmod context - initialized at start in usb_moded_init */
struct kmod_ctx *ctx;
/** load module
*
* @param module Name of the module to load
* @return 0 on success, non-zero on failure
*
*/
int usb_moded_load_module(const char *module)
{
int ret = 0;
write_to_file("/sys/class/android_usb/android0/functions", module);
write_to_file("/sys/class/android_usb/android0/enable", "1");
if( ret == 0)
log_info("Module setting to %s successfully\n", module);
return(ret);
}
/** unload module
*
* @param module Name of the module to unload
* @return 0 on success, non-zero on failure
*
*/
int usb_moded_unload_module(const char *module)
{
write_to_file("/sys/class/android_usb/android0/enable", "0");
return(0);
}
/** Check which state a module is in
*
* @return 1 if loaded, 0 when not loaded
*/
inline static int module_state_check(const char *module)
{
return(0);
}
/** find which module is loaded
*
* @return The name of the loaded module, or NULL if no modules are loaded.
*/
inline const char * usb_moded_find_module(void)
{
return(0);
}
/** clean up for modules when usb gets disconnected
*
* @param module The name of the module to unload
* @return 0 on success, non-zero on failure
*
*/
inline int usb_moded_module_cleanup(const char *module)
{
return(0);
}
/** try to unload modules to support switching
*
*
* @param force force unloading with a nasty clean-up on TRUE, or just try unloading when FALSE
* @return 0 on success, 1 on failure, 2 if hard clean-up failed
*/
inline int usb_moded_module_switch_prepare (int force)
{
return 0;
}
/** check for loaded modules and clean-up if they are not for the chosen mode
*
* @param module_name module name to check for
*
*/
inline void check_module_state(const char *module_name)
{
return;
}