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lineage_kernel_xcoverpro/drivers/input/sec_cmd.c

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/*
* sec_cmd.c - samsung factory command driver
*
* Copyright (C) 2014 Samsung Electronics
*
* 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.
*
*/
#include <linux/input/sec_cmd.h>
#if defined USE_SEC_CMD_QUEUE
static void sec_cmd_store_function(struct sec_cmd_data *data);
#endif
void sec_cmd_set_cmd_exit(struct sec_cmd_data *data)
{
mutex_lock(&data->cmd_lock);
data->cmd_is_running = false;
mutex_unlock(&data->cmd_lock);
#ifdef USE_SEC_CMD_QUEUE
mutex_lock(&data->fifo_lock);
if (kfifo_len(&data->cmd_queue)) {
pr_info("%s %s: do next cmd, left cmd[%d]\n", SECLOG, __func__,
(int)(kfifo_len(&data->cmd_queue) / sizeof(struct command)));
mutex_unlock(&data->fifo_lock);
/* check lock */
mutex_lock(&data->cmd_lock);
data->cmd_is_running = true;
mutex_unlock(&data->cmd_lock);
data->cmd_state = SEC_CMD_STATUS_RUNNING;
schedule_work(&data->cmd_work.work);
} else {
mutex_unlock(&data->fifo_lock);
}
#endif
}
#if defined USE_SEC_CMD_QUEUE
static void cmd_exit_work(struct work_struct *work)
{
struct sec_cmd_data *data = container_of(work, struct sec_cmd_data, cmd_work.work);
sec_cmd_store_function(data);
}
#endif
void sec_cmd_set_default_result(struct sec_cmd_data *data)
{
char delim = ':';
memset(data->cmd_result, 0x00, SEC_CMD_RESULT_STR_LEN_EXPAND);
memcpy(data->cmd_result, data->cmd, SEC_CMD_STR_LEN);
strncat(data->cmd_result, &delim, 1);
}
void sec_cmd_set_cmd_result_all(struct sec_cmd_data *data, char *buff, int len, char *item)
{
char delim1 = ' ';
char delim2 = ':';
size_t cmd_result_len;
cmd_result_len = strlen(data->cmd_result_all) + len + 2 + strlen(item);
if (cmd_result_len >= (unsigned int)SEC_CMD_RESULT_STR_LEN) {
pr_err("%s %s: cmd length is over (%d)!!", SECLOG, __func__, (int)cmd_result_len);
return;
}
data->item_count++;
strncat(data->cmd_result_all, &delim1, 1);
strncat(data->cmd_result_all, item, strlen(item));
strncat(data->cmd_result_all, &delim2, 1);
strncat(data->cmd_result_all, buff, len);
}
void sec_cmd_set_cmd_result(struct sec_cmd_data *data, char *buff, int len)
{
if (strlen(buff) >= (unsigned int)SEC_CMD_RESULT_STR_LEN_EXPAND) {
pr_err("%s %s: cmd length is over (%d)!!", SECLOG, __func__, (int)strlen(buff));
strncat(data->cmd_result, "NG", 2);
return;
}
data->cmd_result_expand = (int)strlen(buff) / SEC_CMD_RESULT_STR_LEN;
data->cmd_result_expand_count = 0;
strncat(data->cmd_result, buff, len);
}
#ifndef USE_SEC_CMD_QUEUE
static ssize_t sec_cmd_store(struct device *dev,
struct device_attribute *devattr, const char *buf, size_t count)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
char *cur, *start, *end;
char buff[SEC_CMD_STR_LEN] = { 0 };
int len, i;
struct sec_cmd *sec_cmd_ptr = NULL;
char delim = ',';
bool cmd_found = false;
int param_cnt = 0;
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
if (strnlen(buf, SEC_CMD_STR_LEN) >= SEC_CMD_STR_LEN) {
pr_err("%s %s: cmd length(strlen(buf)) is over (%d,%s)!!\n",
SECLOG, __func__, (int)strlen(buf), buf);
return -EINVAL;
}
if (count >= (unsigned int)SEC_CMD_STR_LEN) {
pr_err("%s %s: cmd length(count) is over (%d,%s)!!\n",
SECLOG, __func__, (unsigned int)count, buf);
return -EINVAL;
}
if (data->cmd_is_running == true) {
pr_err("%s %s: other cmd is running.\n", SECLOG, __func__);
return -EBUSY;
}
/* check lock */
mutex_lock(&data->cmd_lock);
data->cmd_is_running = true;
mutex_unlock(&data->cmd_lock);
data->cmd_state = SEC_CMD_STATUS_RUNNING;
for (i = 0; i < ARRAY_SIZE(data->cmd_param); i++)
data->cmd_param[i] = 0;
len = (int)count;
if (*(buf + len - 1) == '\n')
len--;
memset(data->cmd, 0x00, ARRAY_SIZE(data->cmd));
memcpy(data->cmd, buf, len);
cur = strchr(buf, (int)delim);
if (cur)
memcpy(buff, buf, cur - buf);
else
memcpy(buff, buf, len);
pr_debug("%s %s: COMMAND = %s\n", SECLOG, __func__, buff);
/* find command */
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (!strncmp(buff, sec_cmd_ptr->cmd_name, SEC_CMD_STR_LEN)) {
cmd_found = true;
break;
}
}
/* set not_support_cmd */
if (!cmd_found) {
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (!strncmp("not_support_cmd", sec_cmd_ptr->cmd_name,
SEC_CMD_STR_LEN))
break;
}
}
/* parsing parameters */
if (cur && cmd_found) {
cur++;
start = cur;
memset(buff, 0x00, ARRAY_SIZE(buff));
do {
if (*cur == delim || cur - buf == len) {
end = cur;
memcpy(buff, start, end - start);
*(buff + strnlen(buff, ARRAY_SIZE(buff))) = '\0';
if (kstrtoint(buff, 10, data->cmd_param + param_cnt) < 0)
goto err_out;
start = cur + 1;
memset(buff, 0x00, ARRAY_SIZE(buff));
param_cnt++;
}
cur++;
} while ((cur - buf <= len) && (param_cnt < SEC_CMD_PARAM_NUM));
}
if (cmd_found) {
pr_info("%s %s: cmd = %s", SECLOG, __func__, sec_cmd_ptr->cmd_name);
for (i = 0; i < param_cnt; i++) {
if (i == 0)
pr_cont(" param =");
pr_cont(" %d", data->cmd_param[i]);
}
pr_cont("\n");
} else {
pr_info("%s %s: cmd = %s(%s)\n", SECLOG, __func__, buff, sec_cmd_ptr->cmd_name);
}
sec_cmd_ptr->cmd_func(data);
err_out:
return count;
}
#else /* defined USE_SEC_CMD_QUEUE */
static void sec_cmd_store_function(struct sec_cmd_data *data)
{
char *cur, *start, *end;
char buff[SEC_CMD_STR_LEN] = { 0 };
int len, i;
struct sec_cmd *sec_cmd_ptr = NULL;
char delim = ',';
bool cmd_found = false;
int param_cnt = 0;
int ret;
const char *buf;
size_t count;
struct command cmd = {{0}};
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return;
}
mutex_lock(&data->fifo_lock);
if (kfifo_len(&data->cmd_queue)) {
ret = kfifo_out(&data->cmd_queue, &cmd, sizeof(struct command));
if (!ret) {
pr_err("%s %s: kfifo_out failed, it seems empty, ret=%d\n", SECLOG, __func__, ret);
mutex_unlock(&data->fifo_lock);
return;
}
} else {
pr_err("%s %s: left cmd is nothing\n", SECLOG, __func__);
mutex_unlock(&data->fifo_lock);
return;
}
mutex_unlock(&data->fifo_lock);
buf = cmd.cmd;
count = strlen(buf);
for (i = 0; i < (int)ARRAY_SIZE(data->cmd_param); i++)
data->cmd_param[i] = 0;
len = (int)count;
if (*(buf + len - 1) == '\n')
len--;
memset(data->cmd, 0x00, ARRAY_SIZE(data->cmd));
memcpy(data->cmd, buf, len);
cur = strchr(buf, (int)delim);
if (cur)
memcpy(buff, buf, cur - buf);
else
memcpy(buff, buf, len);
pr_debug("%s %s: COMMAND : %s\n", SECLOG, __func__, buff);
/* find command */
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (!strncmp(buff, sec_cmd_ptr->cmd_name, SEC_CMD_STR_LEN)) {
cmd_found = true;
break;
}
}
/* set not_support_cmd */
if (!cmd_found) {
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (!strncmp("not_support_cmd", sec_cmd_ptr->cmd_name,
SEC_CMD_STR_LEN))
break;
}
}
/* parsing parameters */
if (cur && cmd_found) {
cur++;
start = cur;
memset(buff, 0x00, ARRAY_SIZE(buff));
do {
if (*cur == delim || cur - buf == len) {
end = cur;
memcpy(buff, start, end - start);
*(buff + strnlen(buff, ARRAY_SIZE(buff))) = '\0';
if (kstrtoint(buff, 10, data->cmd_param + param_cnt) < 0)
return;
start = cur + 1;
memset(buff, 0x00, ARRAY_SIZE(buff));
param_cnt++;
}
cur++;
} while ((cur - buf <= len) && (param_cnt < SEC_CMD_PARAM_NUM));
}
if (cmd_found) {
pr_info("%s %s: cmd = %s", SECLOG, __func__, sec_cmd_ptr->cmd_name);
for (i = 0; i < param_cnt; i++) {
if (i == 0)
pr_cont(" param =");
pr_cont(" %d", data->cmd_param[i]);
}
pr_cont("\n");
} else {
pr_info("%s %s: cmd = %s(%s)\n", SECLOG, __func__, buff, sec_cmd_ptr->cmd_name);
}
sec_cmd_ptr->cmd_func(data);
if (cmd_found && sec_cmd_ptr->cmd_log) {
char tbuf[32];
unsigned long long t;
unsigned long nanosec_rem;
memset(tbuf, 0x00, sizeof(tbuf));
t = local_clock();
nanosec_rem = do_div(t, 1000000000);
snprintf(tbuf, sizeof(tbuf), "[r:%lu.%06lu]",
(unsigned long)t,
nanosec_rem / 1000);
sec_debug_tsp_command_history(tbuf);
}
}
static ssize_t sec_cmd_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
struct command cmd = {{0}};
struct sec_cmd *sec_cmd_ptr = NULL;
int queue_size;
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
if (strnlen(buf, SEC_CMD_STR_LEN) >= SEC_CMD_STR_LEN) {
pr_err("%s %s: cmd length(strlen(buf)) is over (%d,%s)!!\n",
SECLOG, __func__, (int)strlen(buf), buf);
return -EINVAL;
}
if (count >= (unsigned int)SEC_CMD_STR_LEN) {
pr_err("%s %s: cmd length(count) is over (%d,%s)!!\n",
SECLOG, __func__, (unsigned int)count, buf);
return -EINVAL;
}
strncpy(cmd.cmd, buf, count);
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (!strncmp(cmd.cmd, sec_cmd_ptr->cmd_name, strlen(sec_cmd_ptr->cmd_name))) {
if (sec_cmd_ptr->cmd_log) {
char task_info[40];
char tbuf[32];
unsigned long long t;
unsigned long nanosec_rem;
memset(tbuf, 0x00, sizeof(tbuf));
t = local_clock();
nanosec_rem = do_div(t, 1000000000);
snprintf(tbuf, sizeof(tbuf), "[q:%lu.%06lu]",
(unsigned long)t,
nanosec_rem / 1000);
snprintf(task_info, 40, "\n[%d:%s]", current->pid, current->comm);
sec_debug_tsp_command_history(task_info);
sec_debug_tsp_command_history(cmd.cmd);
sec_debug_tsp_command_history(tbuf);
}
break;
}
}
mutex_lock(&data->fifo_lock);
queue_size = (kfifo_len(&data->cmd_queue) / sizeof(struct command));
if (kfifo_avail(&data->cmd_queue) && (queue_size < SEC_CMD_MAX_QUEUE)) {
kfifo_in(&data->cmd_queue, &cmd, sizeof(struct command));
pr_info("%s %s: push cmd: %s\n", SECLOG, __func__, cmd.cmd);
} else {
pr_err("%s %s: cmd_queue is full!!\n", SECLOG, __func__);
kfifo_reset(&data->cmd_queue);
pr_err("%s %s: cmd_queue is reset!!\n", SECLOG, __func__);
mutex_unlock(&data->fifo_lock);
mutex_lock(&data->cmd_lock);
data->cmd_is_running = false;
mutex_unlock(&data->cmd_lock);
return -ENOSPC;
}
if (data->cmd_is_running == true) {
pr_err("%s %s: other cmd is running. Wait until previous cmd is done[%d]\n",
SECLOG, __func__, (int)(kfifo_len(&data->cmd_queue) / sizeof(struct command)));
mutex_unlock(&data->fifo_lock);
return -EBUSY;
}
mutex_unlock(&data->fifo_lock);
/* check lock */
mutex_lock(&data->cmd_lock);
data->cmd_is_running = true;
mutex_unlock(&data->cmd_lock);
data->cmd_state = SEC_CMD_STATUS_RUNNING;
sec_cmd_store_function(data);
return count;
}
#endif
static ssize_t sec_cmd_show_status(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
char buff[16] = { 0 };
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
if (data->cmd_state == SEC_CMD_STATUS_WAITING)
snprintf(buff, sizeof(buff), "WAITING");
else if (data->cmd_state == SEC_CMD_STATUS_RUNNING)
snprintf(buff, sizeof(buff), "RUNNING");
else if (data->cmd_state == SEC_CMD_STATUS_OK)
snprintf(buff, sizeof(buff), "OK");
else if (data->cmd_state == SEC_CMD_STATUS_FAIL)
snprintf(buff, sizeof(buff), "FAIL");
else if (data->cmd_state == SEC_CMD_STATUS_NOT_APPLICABLE)
snprintf(buff, sizeof(buff), "NOT_APPLICABLE");
else if (data->cmd_state == SEC_CMD_STATUS_EXPAND)
snprintf(buff, sizeof(buff), "EXPAND");
pr_debug("%s %s: %d, %s\n", SECLOG, __func__, data->cmd_state, buff);
return snprintf(buf, SEC_CMD_BUF_SIZE, "%s\n", buff);
}
static ssize_t sec_cmd_show_status_all(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
char buff[16] = { 0 };
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
if (data->cmd_all_factory_state == SEC_CMD_STATUS_WAITING)
snprintf(buff, sizeof(buff), "WAITING");
else if (data->cmd_all_factory_state == SEC_CMD_STATUS_RUNNING)
snprintf(buff, sizeof(buff), "RUNNING");
else if (data->cmd_all_factory_state == SEC_CMD_STATUS_OK)
snprintf(buff, sizeof(buff), "OK");
else if (data->cmd_all_factory_state == SEC_CMD_STATUS_FAIL)
snprintf(buff, sizeof(buff), "FAIL");
else if (data->cmd_all_factory_state == SEC_CMD_STATUS_NOT_APPLICABLE)
snprintf(buff, sizeof(buff), "NOT_APPLICABLE");
pr_debug("%s %s: %d, %s\n", SECLOG, __func__, data->cmd_all_factory_state, buff);
return snprintf(buf, SEC_CMD_BUF_SIZE, "%s\n", buff);
}
static ssize_t sec_cmd_show_result(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
int size;
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
size = snprintf(buf, SEC_CMD_RESULT_STR_LEN, "%s\n", data->cmd_result
+ ((SEC_CMD_RESULT_STR_LEN - 1) * data->cmd_result_expand_count));
if (data->cmd_result_expand_count != data->cmd_result_expand) {
data->cmd_state = SEC_CMD_STATUS_EXPAND;
data->cmd_result_expand_count++;
} else
data->cmd_state = SEC_CMD_STATUS_WAITING;
pr_info("%s %s: %s\n", SECLOG, __func__, buf);
sec_cmd_set_cmd_exit(data);
return size;
}
static ssize_t sec_cmd_show_result_all(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
int size;
if (!data) {
pr_err("%s %s: No platform data found\n", SECLOG, __func__);
return -EINVAL;
}
data->cmd_state = SEC_CMD_STATUS_WAITING;
pr_info("%s %s: %d, %s\n", SECLOG, __func__, data->item_count, data->cmd_result_all);
size = snprintf(buf, SEC_CMD_RESULT_STR_LEN, "%d%s\n", data->item_count, data->cmd_result_all);
sec_cmd_set_cmd_exit(data);
data->item_count = 0;
memset(data->cmd_result_all, 0x00, SEC_CMD_RESULT_STR_LEN);
return size;
}
static ssize_t sec_cmd_list_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_cmd_data *data = dev_get_drvdata(dev);
struct sec_cmd *sec_cmd_ptr = NULL;
char buffer[data->cmd_buffer_size + 30];
char buffer_name[SEC_CMD_STR_LEN];
snprintf(buffer, 30, "++factory command list++\n");
list_for_each_entry(sec_cmd_ptr, &data->cmd_list_head, list) {
if (strncmp(sec_cmd_ptr->cmd_name, "not_support_cmd", 15)) {
snprintf(buffer_name, SEC_CMD_STR_LEN, "%s\n", sec_cmd_ptr->cmd_name);
strncat(buffer, buffer_name, SEC_CMD_STR_LEN);
}
}
return snprintf(buf, SEC_CMD_BUF_SIZE, "%s\n", buffer);
}
static DEVICE_ATTR(cmd, 0220, NULL, sec_cmd_store);
static DEVICE_ATTR(cmd_status, 0444, sec_cmd_show_status, NULL);
static DEVICE_ATTR(cmd_status_all, 0444, sec_cmd_show_status_all, NULL);
static DEVICE_ATTR(cmd_result, 0444, sec_cmd_show_result, NULL);
static DEVICE_ATTR(cmd_result_all, 0444, sec_cmd_show_result_all, NULL);
static DEVICE_ATTR(cmd_list, 0444, sec_cmd_list_show, NULL);
static struct attribute *sec_fac_attrs[] = {
&dev_attr_cmd.attr,
&dev_attr_cmd_status.attr,
&dev_attr_cmd_status_all.attr,
&dev_attr_cmd_result.attr,
&dev_attr_cmd_result_all.attr,
&dev_attr_cmd_list.attr,
NULL,
};
static struct attribute_group sec_fac_attr_group = {
.attrs = sec_fac_attrs,
};
int sec_cmd_init(struct sec_cmd_data *data, struct sec_cmd *cmds,
int len, int devt)
{
const char *dev_name;
int ret, i;
INIT_LIST_HEAD(&data->cmd_list_head);
data->cmd_buffer_size = 0;
for (i = 0; i < len; i++) {
list_add_tail(&cmds[i].list, &data->cmd_list_head);
if (cmds[i].cmd_name)
data->cmd_buffer_size += strlen(cmds[i].cmd_name) + 1;
}
mutex_init(&data->cmd_lock);
mutex_lock(&data->cmd_lock);
data->cmd_is_running = false;
mutex_unlock(&data->cmd_lock);
data->cmd_result = kzalloc(SEC_CMD_RESULT_STR_LEN_EXPAND, GFP_KERNEL);
if (!data->cmd_result)
goto err_alloc_cmd_result;
#ifdef USE_SEC_CMD_QUEUE
if (kfifo_alloc(&data->cmd_queue,
SEC_CMD_MAX_QUEUE * sizeof(struct command), GFP_KERNEL)) {
pr_err("%s %s: failed to alloc queue for cmd\n", SECLOG, __func__);
goto err_alloc_queue;
}
mutex_init(&data->fifo_lock);
INIT_DELAYED_WORK(&data->cmd_work, cmd_exit_work);
#endif
if (devt == SEC_CLASS_DEVT_TSP) {
dev_name = SEC_CLASS_DEV_NAME_TSP;
} else if (devt == SEC_CLASS_DEVT_TKEY) {
dev_name = SEC_CLASS_DEV_NAME_TKEY;
} else if (devt == SEC_CLASS_DEVT_WACOM) {
dev_name = SEC_CLASS_DEV_NAME_WACOM;
} else {
pr_err("%s %s: not defined devt=%d\n", SECLOG, __func__, devt);
goto err_get_dev_name;
}
#ifdef CONFIG_DRV_SAMSUNG
data->fac_dev = sec_device_create(data, dev_name);
#else
data->fac_dev = device_create(sec_class, NULL, devt, data, dev_name);
#endif
if (IS_ERR(data->fac_dev)) {
pr_err("%s %s: failed to create device for the sysfs\n", SECLOG, __func__);
goto err_sysfs_device;
}
dev_set_drvdata(data->fac_dev, data);
ret = sysfs_create_group(&data->fac_dev->kobj, &sec_fac_attr_group);
if (ret < 0) {
pr_err("%s %s: failed to create sysfs group\n", SECLOG, __func__);
goto err_sysfs_group;
}
return 0;
err_sysfs_group:
#ifdef CONFIG_DRV_SAMSUNG
sec_device_destroy(data->fac_dev->devt);
#else
device_destroy(sec_class, devt);
#endif
err_sysfs_device:
err_get_dev_name:
#ifdef USE_SEC_CMD_QUEUE
mutex_destroy(&data->fifo_lock);
kfifo_free(&data->cmd_queue);
err_alloc_queue:
#endif
kfree(data->cmd_result);
err_alloc_cmd_result:
mutex_destroy(&data->cmd_lock);
list_del(&data->cmd_list_head);
return -ENODEV;
}
void sec_cmd_exit(struct sec_cmd_data *data, int devt)
{
#ifdef USE_SEC_CMD_QUEUE
struct command cmd = {{0}};
int ret;
#endif
pr_info("%s %s", SECLOG, __func__);
sysfs_remove_group(&data->fac_dev->kobj, &sec_fac_attr_group);
dev_set_drvdata(data->fac_dev, NULL);
#ifdef CONFIG_DRV_SAMSUNG
sec_device_destroy(data->fac_dev->devt);
#else
device_destroy(sec_class, devt);
#endif
#ifdef USE_SEC_CMD_QUEUE
mutex_lock(&data->fifo_lock);
while (kfifo_len(&data->cmd_queue)) {
ret = kfifo_out(&data->cmd_queue, &cmd, sizeof(struct command));
if (!ret) {
pr_err("%s %s: kfifo_out failed, it seems empty, ret=%d\n", SECLOG, __func__, ret);
}
pr_info("%s %s: remove pending commands: %s", SECLOG, __func__, cmd.cmd);
}
mutex_unlock(&data->fifo_lock);
mutex_destroy(&data->fifo_lock);
kfifo_free(&data->cmd_queue);
cancel_delayed_work_sync(&data->cmd_work);
flush_delayed_work(&data->cmd_work);
#endif
kfree(data->cmd_result);
mutex_destroy(&data->cmd_lock);
list_del(&data->cmd_list_head);
}
void sec_cmd_send_event_to_user(struct sec_cmd_data *data, char *test, char *result)
{
char *event[5];
char timestamp[32];
char feature[32];
char stest[32];
char sresult[32];
ktime_t calltime;
u64 realtime;
int curr_time;
char *eol = "\0";
calltime = ktime_get();
realtime = ktime_to_ns(calltime);
do_div(realtime, NSEC_PER_USEC);
curr_time = realtime / USEC_PER_MSEC;
snprintf(timestamp, 32, "TIMESTAMP=%d", curr_time);
strncat(timestamp, eol, 1);
snprintf(feature, 32, "FEATURE=TSP");
strncat(feature, eol, 1);
if (!test) {
snprintf(stest, 32, "TEST=NULL");
} else {
snprintf(stest, 32, "%s", test);
}
strncat(stest, eol, 1);
if (!result) {
snprintf(sresult, 32, "RESULT=NULL");
} else {
snprintf(sresult, 32, "%s", result);
}
strncat(sresult, eol, 1);
pr_info("%s %s: time:%s, feature:%s, test:%s, result:%s\n",
SECLOG, __func__, timestamp, feature, stest, sresult);
event[0] = timestamp;
event[1] = feature;
event[2] = stest;
event[3] = sresult;
event[4] = NULL;
kobject_uevent_env(&data->fac_dev->kobj, KOBJ_CHANGE, event);
}
MODULE_DESCRIPTION("Samsung factory command");
MODULE_LICENSE("GPL");
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