static int
mtk_cl_shutdown_set_cur_state(struct thermal_cooling_device *cdev,
unsigned long state)
{
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
//volatile unsigned long original_state;
#endif
//mtk_cooler_shutdown_dprintk("mtk_cl_shutdown_set_cur_state() %s %d\n", cdev->type, state);
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
//original_state = *((unsigned long*) cdev->devdata);
#endif
*((unsigned long*) cdev->devdata) = state;
if (0 == state)
{
if (sd_cnt > 0)
sd_cnt--;
else
;
}
else if (1 == state)
{
sd_cnt++;
}
if (sd_debouncet == sd_cnt)
{
#if defined(MTK_COOLER_SHUTDOWN_UEVENT)
{
// send uevent to notify current call must be dropped
char event[] = "SHUTDOWN=1";
char *envp[] = { event, NULL };
kobject_uevent_env(&(cdev->device.kobj), KOBJ_CHANGE, envp);
}
#endif
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
if (0 == sd_happened) // make this an edge trigger instead of level trigger
{
// send signal to target process
_mtk_cl_sd_send_signal();
sd_happened = 1;
}
#endif
}
return 0;
}
static int mtk_cl_shutdown_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
{
struct sd_state *cl_state = (struct sd_state *) cdev->devdata;
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
volatile unsigned long original_state;
#endif
/* mtk_cooler_shutdown_dprintk("mtk_cl_shutdown_set_cur_state() %s %d\n", cdev->type, state); */
if (!cl_state)
return -1;
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
original_state = cl_state->state;
#endif
cl_state->state = state;
if (0 == state) {
if (cl_state->sd_cnt > 0)
cl_state->sd_cnt--;
} else if (1 == state) {
cl_state->sd_cnt++;
}
if (sd_debouncet == cl_state->sd_cnt) {
#if defined(MTK_COOLER_SHUTDOWN_UEVENT)
{
/* send uevent to notify current call must be dropped */
char event[11] = "SHUTDOWN=1";
char *envp[2] = { event, NULL };
kobject_uevent_env(&(cdev->device.kobj), KOBJ_CHANGE, envp);
}
#endif
#if defined(MTK_COOLER_SHUTDOWN_SIGNAL)
if (0 == sd_happened) { /* make this an edge trigger instead of level trigger */
/* send signal to target process */
_mtk_cl_sd_send_signal();
sd_happened = 1;
}
#endif
}
return 0;
}
