static int get_panel_coordinate(struct mdnie_info *mdnie, int *result)
{
int ret = 0;
char *fp = NULL;
unsigned int coordinate[2] = {0,};
ret = mdnie_open_file(PANEL_COORDINATE_PATH, &fp);
if (IS_ERR_OR_NULL(fp) || ret <= 0) {
dev_info(mdnie->dev, "%s: open skip: %s, %d\n", __func__, PANEL_COORDINATE_PATH, ret);
ret = -EINVAL;
goto skip_color_correction;
}
ret = sscanf(fp, "%d, %d", &coordinate[0], &coordinate[1]);
if (!(coordinate[0] + coordinate[1]) || ret != 2) {
dev_info(mdnie->dev, "%s: %d, %d\n", __func__, coordinate[0], coordinate[1]);
ret = -EINVAL;
goto skip_color_correction;
}
ret = mdnie_calibration(coordinate[0], coordinate[1], result);
dev_info(mdnie->dev, "%s: %d, %d, idx=%d\n", __func__, coordinate[0], coordinate[1], ret - 1);
skip_color_correction:
mdnie->color_correction = 1;
if (!IS_ERR_OR_NULL(fp))
kfree(fp);
return ret;
}
int mdnie_request_firmware(const char *path, u16 **buf, char *name)
{
char *token, *ptr = NULL;
unsigned short *dp;
int ret = 0, size, i = 0;
unsigned int data1, data2;
size = mdnie_open_file(path, &ptr);
if (IS_ERR_OR_NULL(ptr) || size <= 0) {
pr_err("%s: file open fail %s\n", __func__, path);
KFREE(ptr);
return ret;
}
dp = kzalloc(size, GFP_KERNEL);
if (dp == NULL) {
pr_err("%s: Out of Memory\n", __func__);
KFREE(ptr);
return -ENOMEM;
}
if (name) {
if (strstr(ptr, name) != NULL) {
pr_info("found %s in %s\n", name, path);
ptr = strstr(ptr, name);
}
}
while ((token = strsep(&ptr, "\r\n")) != NULL) {
if ((name) && (!strncmp(token, "};", 2))) {
pr_info("found %s end in local, stop searching\n", name);
break;
}
ret = sscanf(token, "%x, %x", &data1, &data2);
if (ret == 2) {
dp[i] = (u16)data1;
dp[i+1] = (u16)data2;
i += 2;
}
}
dp[i] = END_SEQ;
*buf = dp;
KFREE(ptr);
return i;
}
int mdnie_check_firmware(const char *path, char *name)
{
char *ptr = NULL;
int ret = 0, size;
size = mdnie_open_file(path, &ptr);
if (IS_ERR_OR_NULL(ptr) || size <= 0) {
pr_err("%s: file open fail %s\n", __func__, path);
KFREE(ptr);
return 0;
}
ret = (strstr(ptr, name) != NULL) ? 1 : 0;
KFREE(ptr);
return ret;
}
static int mdnie_request_firmware(char *path, char *name, mdnie_t **buf)
{
char *token, *ptr = NULL;
int ret = 0, size;
unsigned int data[2], i = 0, j;
mdnie_t *dp;
size = mdnie_open_file(path, &ptr);
if (IS_ERR_OR_NULL(ptr) || size <= 0) {
pr_err("%s: file open skip %s\n", __func__, path);
kfree(ptr);
return -EPERM;
}
dp = kzalloc(size, GFP_KERNEL);
if (dp == NULL) {
pr_err("%s: fail to alloc size %d\n", __func__, size);
kfree(ptr);
return -ENOMEM;
}
if (name) {
if (strstr(ptr, name) != NULL) {
pr_info("found %s in %s\n", name, path);
ptr = strstr(ptr, name);
}
}
while ((token = strsep(&ptr, "\r\n")) != NULL) {
if (name && !strncmp(token, "};", 2)) {
pr_info("found %s end in local, stop searching\n", name);
break;
}
ret = sscanf(token, "%x, %x", &data[0], &data[1]);
for (j = 0; j < ret; i++, j++)
dp[i] = data[j];
}
*buf = dp;
kfree(ptr);
return i;
}