static int dump_enable_proc_show(struct seq_file *m, void *v)
{
int ret;
ret = lfs_param_op(PARAM_RD, O_RDONLY);
if (ret == sizeof(param_buf))
pr_info("%s: read debug_level.inf successfully.\n", __FUNCTION__);
pr_info("%s: DEBUG_LEVEL = (%s)\n", __FUNCTION__, param_buf);
if (!(strncmp(param_buf, DEBUG_LOW, sizeof(param_buf))))
seq_printf(m, "0\n");
else if (!(strncmp(param_buf, DEBUG_MID, sizeof(param_buf))))
seq_printf(m, "1\n");
else if (!(strncmp(param_buf, DEBUG_HIGH, sizeof(param_buf))))
seq_printf(m, "2\n");
else
pr_err("%s: read invalid debug level\n", __FUNCTION__);
return 0;
}
static int save_lfs_param_value(void)
{
int ret;
ret = lfs_param_op(PARAM_WR, O_RDWR|O_SYNC);
if (ret == sizeof(param_status)) {
pr_info("%s: param.blk write successfully.\n", __FUNCTION__);
}
return 0;
}
static int load_lfs_param_value(void)
{
int ret;
ret = lfs_param_op(PARAM_RD, O_RDONLY);
if (ret == sizeof(param_status)) {
pr_info("%s: param.blk read successfully.\n", __FUNCTION__);
}
return ret;
}
static int dump_enable_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
char ctl[2];
int ret;
if (count != 2 || *ppos)
return -EINVAL;
if (copy_from_user(ctl, buf, count))
return -EFAULT;
switch (ctl[0]) {
case '0':
strncpy(param_buf, DEBUG_LOW, sizeof(param_buf));
break;
case '1':
strncpy(param_buf, DEBUG_MID, sizeof(param_buf));
break;
case '2':
strncpy(param_buf, DEBUG_HIGH, sizeof(param_buf));
break;
default:
pr_err("%s: invalid value of dump_enable\n", __FUNCTION__);
return -EINVAL;
}
pr_info("%s: DEBUG_LEVEL = (%s)\n", __FUNCTION__, param_buf);
ret = lfs_param_op(PARAM_WR, O_RDWR|O_SYNC);
if (ret == sizeof(param_buf))
pr_info("%s: write debug_level.inf successfully.\n", __FUNCTION__);
return count;
}