diff options
Diffstat (limited to 'wifi/wifi.c')
| -rw-r--r-- | wifi/wifi.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/wifi/wifi.c b/wifi/wifi.c index 4999f55..880f6fc 100644 --- a/wifi/wifi.c +++ b/wifi/wifi.c @@ -190,6 +190,30 @@ const char *get_dhcp_error_string() { return dhcp_lasterror(); } +#ifdef WIFI_DRIVER_STATE_CTRL_PARAM +int wifi_change_driver_state(const char *state) +{ + int len; + int fd; + int ret = 0; + + if (!state) + return -1; + fd = TEMP_FAILURE_RETRY(open(WIFI_DRIVER_STATE_CTRL_PARAM, O_WRONLY)); + if (fd < 0) { + ALOGE("Failed to open driver state control param (%s)", strerror(errno)); + return -1; + } + len = strlen(state) + 1; + if (TEMP_FAILURE_RETRY(write(fd, state, len)) != len) { + ALOGE("Failed to write driver state control param (%s)", strerror(errno)); + ret = -1; + } + close(fd); + return ret; +} +#endif + int is_wifi_driver_loaded() { char driver_status[PROPERTY_VALUE_MAX]; #ifdef WIFI_DRIVER_MODULE_PATH @@ -263,6 +287,14 @@ int wifi_load_driver() wifi_unload_driver(); return -1; #else +#ifdef WIFI_DRIVER_STATE_CTRL_PARAM + if (is_wifi_driver_loaded()) { + return 0; + } + + if (wifi_change_driver_state(WIFI_DRIVER_STATE_ON) < 0) + return -1; +#endif property_set(DRIVER_PROP_NAME, "ok"); return 0; #endif @@ -287,6 +319,12 @@ int wifi_unload_driver() } else return -1; #else +#ifdef WIFI_DRIVER_STATE_CTRL_PARAM + if (is_wifi_driver_loaded()) { + if (wifi_change_driver_state(WIFI_DRIVER_STATE_OFF) < 0) + return -1; + } +#endif property_set(DRIVER_PROP_NAME, "unloaded"); return 0; #endif |