static int ct363_init(struct ct36x_data *ts)
{
int ret = 0, fwchksum, binchksum, updcnt = 5;
struct ct363_priv *ct363 = NULL;
ret = ct363_init_hw(ts);
if(ret < 0)
return ret;
/* Hardware reset */
ct363_reset_hw(ts);
// Get binary Checksum
binchksum = ct36x_chip_get_binchksum();
ct36x_dbg(ts, "CT363 init: binchksum = %d\n", binchksum);
ret = ct36x_chip_get_fwchksum(ts);
if(ret < 0){
dev_err(ts->dev, "CT36X chip: Failed to get fwchksum\n");
return ret;
}
fwchksum = ret;
ct36x_dbg(ts, "CT363 init: fwchksum = %d\n", fwchksum);
while(binchksum != fwchksum && updcnt--) {
/* Update Firmware */
ret = ct36x_chip_go_bootloader(ts);
if(ret < 0){
dev_err(ts->dev, "CT36X chip: Failed to go bootloader\n");
return ret;
}
/* Hardware reset */
ct363_reset_hw(ts);
ret = ct36x_chip_get_fwchksum(ts);
if(ret < 0){
dev_err(ts->dev, "CT36X chip: Failed to get fwchksum\n");
return ret;
}
fwchksum = ret;
ct36x_dbg(ts, "CT363 update FW: fwchksum = %d\n", fwchksum);
}
if(binchksum != fwchksum){
dev_err(ts->dev, "Fail to update FW\n");
return -ENODEV;
}
/* Hardware reset */
ct363_reset_hw(ts);
msleep(5);
ts->point_num = CT363_POINT_NUM;
ct363 = kzalloc(sizeof(struct ct363_priv), GFP_KERNEL);
if(!ct363){
dev_err(ts->dev, "No memory for ct36x");
return -ENOMEM;
}
ts->priv = ct363;
return 0;
}
static int ct363_resume(struct ct36x_data *ts)
{
int i;
/* Hardware reset */
ct363_reset_hw(ts);
msleep(3);
for(i = 0; i < ts->point_num; i++){
input_mt_slot(ts->input, i);
input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
}
input_sync(ts->input);
return 0;
}
static int ct363_resume(struct ct36x_data *ts)
{
int i;
/* Hardware reset */
if(ct363_first_init_flag)
ct363_reset_hw(ts);
else
{
// gpio_direction_output(ts->rst_io.gpio, ts->rst_io.active_low);
// msleep(50);
gpio_set_value(ts->rst_io.gpio, !ts->rst_io.active_low);
msleep(50);
gpio_set_value(ts->rst_io.gpio, ts->rst_io.active_low);
msleep(50);
}
for(i = 0; i < ts->point_num; i++){
input_mt_slot(ts->input, i);
input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
}
input_sync(ts->input);
return 0;
}
