static int __init mtk_cooler_kshutdown_init(void)
{
int err = 0;
int i;
for (i = MAX_NUM_INSTANCE_MTK_COOLER_KSHUTDOWN; i-- > 0; )
{
cl_kshutdown_dev[i] = NULL;
cl_kshutdown_state[i] = 0;
}
//cl_kshutdown_dev = NULL;
mtk_cooler_kshutdown_dprintk("init\n");
err = mtk_cooler_kshutdown_register_ltf();
if (err)
goto err_unreg;
return 0;
err_unreg:
mtk_cooler_kshutdown_unregister_ltf();
return err;
}
static int mtk_cl_kshutdown_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
{
/* mtk_cooler_kshutdown_dprintk("mtk_cl_kshutdown_set_cur_state() %s %d\n", cdev->type, state); */
#if 1
*((unsigned long *)cdev->devdata) = state;
#else
cl_kshutdown_state[(int)cdev->type[16]] = state;
#endif
if (1 == state) {
mtk_cooler_kshutdown_dprintk("%s %s invokes machine_power_off\n", __func__,
cdev->type);
machine_power_off();
}
return 0;
}
static void mtk_cooler_kshutdown_unregister_ltf(void)
{
int i;
mtk_cooler_kshutdown_dprintk("unregister ltf\n");
for (i = MAX_NUM_INSTANCE_MTK_COOLER_KSHUTDOWN; i-- > 0;) {
if (cl_kshutdown_dev[i]) {
mtk_thermal_cooling_device_unregister(cl_kshutdown_dev[i]);
cl_kshutdown_dev[i] = NULL;
cl_kshutdown_state[i] = 0;
}
}
#if 0
if (cl_kshutdown_dev) {
mtk_thermal_cooling_device_unregister(cl_kshutdown_dev);
cl_kshutdown_dev = NULL;
}
#endif
}
static int mtk_cooler_kshutdown_register_ltf(void)
{
int i;
mtk_cooler_kshutdown_dprintk("register ltf\n");
for (i = MAX_NUM_INSTANCE_MTK_COOLER_KSHUTDOWN; i-- > 0;) {
char temp[20] = { 0 };
sprintf(temp, "mtk-cl-kshutdown%02d", i);
cl_kshutdown_dev[i] = mtk_thermal_cooling_device_register(temp,
(void *)
&cl_kshutdown_state[i],
&mtk_cl_kshutdown_ops);
}
#if 0
cl_kshutdown_dev = mtk_thermal_cooling_device_register("mtk-cl-shutdown",
NULL, &mtk_cl_kshutdown_ops);
#endif
return 0;
}
static void __exit mtk_cooler_kshutdown_exit(void)
{
mtk_cooler_kshutdown_dprintk("exit\n");
mtk_cooler_kshutdown_unregister_ltf();
}