static inline void kpd_update_aee_state(void)
{
if (aee_pressed_keys == ((1 << AEE_VOLUMEUP_BIT) | (1 << AEE_VOLUMEDOWN_BIT))) {
/* if volumeup and volumedown was pressed the same time then start the time of ten seconds */
aee_timer_started = true;
#if AEE_ENABLE_5_15
aee_timer_5s_started = true;
hrtimer_start(&aee_timer_5s, ktime_set(AEE_DELAY_TIME_5S, 0), HRTIMER_MODE_REL);
#endif
hrtimer_start(&aee_timer, ktime_set(AEE_DELAY_TIME, 0), HRTIMER_MODE_REL);
kpd_print("aee_timer started\n");
} else {
if (aee_timer_started) {
/*
* hrtimer_cancel - cancel a timer and wait for the handler to finish.
* Returns:
* 0 when the timer was not active.
* 1 when the timer was active.
*/
if (hrtimer_cancel(&aee_timer)) {
kpd_print("try to cancel hrtimer\n");
#if AEE_ENABLE_5_15
if (flags_5s) {
printk
("Pressed Volup + Voldown5s~15s then trigger aee manual dump.\n");
aee_kernel_reminding("manual dump",
"Trigger Vol Up +Vol Down 5s");
}
#endif
}
#if AEE_ENABLE_5_15
flags_5s = false;
#endif
aee_timer_started = false;
kpd_print("aee_timer canceled\n");
}
#if AEE_ENABLE_5_15
if (aee_timer_5s_started) {
/*
* hrtimer_cancel - cancel a timer and wait for the handler to finish.
* Returns:
* 0 when the timer was not active.
* 1 when the timer was active.
*/
if (hrtimer_cancel(&aee_timer_5s)) {
kpd_print("try to cancel hrtimer (5s)\n");
}
aee_timer_5s_started = false;
kpd_print("aee_timer canceled (5s)\n");
}
#endif
}
}
static int proc_write_generate_kernel_notify(struct file* file,
const char __user *buf, unsigned long count,
void *data)
{
char msg[164], *colon_ptr;
if (count == 0) {
return -EINVAL;
}
if ((count < 5) || (count >= sizeof(msg))) {
xlog_printk(ANDROID_LOG_WARN, AEK_LOG_TAG, "aed: %s count sould be >= 5 and <= %d bytes.\n", __func__, sizeof(msg));
return -EINVAL;
}
if (copy_from_user(msg, buf, count)) {
xlog_printk(ANDROID_LOG_WARN, AEK_LOG_TAG, "aed: %s unable to read message\n", __func__);
return -EFAULT;
}
/* Be safe */
msg[count] = 0;
if (msg[1] != ':') {
return -EINVAL;
}
colon_ptr = strchr(&msg[2], ':');
if ((colon_ptr == NULL) || ((colon_ptr - msg) > 32)) {
xlog_printk(ANDROID_LOG_WARN, AEK_LOG_TAG, "aed: %s cannot find valid module name\n", __func__);
return -EINVAL;
}
*colon_ptr = 0;
switch (msg[0]) {
case 'R':
aee_kernel_reminding(&msg[2], colon_ptr + 1);
break;
case 'W':
aee_kernel_warning(&msg[2], colon_ptr + 1);
break;
case 'E':
aee_kernel_exception(&msg[2], colon_ptr + 1);
break;
default:
return -EINVAL;
}
return count;
}
