static irqreturn_t usr_reset_warning_isr(int irq, void *dev)
{
struct usr_reset_warning_data *data = dev;
disable_irq_nosync(irq);
pr_warn("HFF: User initiated HW reset warning.\n");
pr_warn(" 2 sec to reset.Halt the kernel.\n");
/* set HW reset power up reason */
qpnp_pon_store_extra_reset_info(RESET_EXTRA_HW_RESET_REASON,
RESET_EXTRA_HW_RESET_REASON);
schedule_work(&data->work);
return IRQ_HANDLED;
}
static void warn_irq_w(struct work_struct *w)
{
struct mmi_factory_info *info = container_of(w,
struct mmi_factory_info,
warn_irq_work.work);
int warn_line = gpio_get_value(info->list[KP_WARN_INDEX].gpio);
int reset_info = RESET_EXTRA_RESET_KUNPOW_REASON;
if (!warn_line) {
pr_info("HW User Reset!\n");
pr_info("2 sec to Reset.\n");
#ifdef CONFIG_QPNP_POWER_ON
/* trigger wdog if resin key pressed */
if (qpnp_pon_key_status & QPNP_PON_KEY_RESIN_BIT) {
pr_info("User triggered watchdog reset(Pwr + VolDn)\n");
msm_trigger_wdog_bite();
return;
}
#endif
/* Configure hardware reset before halt
* The new KUNGKOW circuit will not disconnect the battery if
* usb/dc is connected. But because the kernel is halted, a
* watchdog reset will be reported instead of hardware reset.
* In this case, we need to clear the KUNPOW reset bit to let
* BL detect it as a hardware reset.
* A pmic hard reset is necessary to report the powerup reason
* to BL correctly.
*/
if (usr_rst_sw_dis_flg <= 0) {
qpnp_pon_store_extra_reset_info(reset_info, 0);
qpnp_pon_system_pwr_off(PON_POWER_OFF_HARD_RESET);
kernel_halt();
} else
pr_info("SW HALT Disabled!\n");
return;
}
}
