/* 88PM80x gives us an interrupt when ONKEY is held */
static irqreturn_t pm80x_onkey_handler(int irq, void *data)
{
struct pm80x_onkey_info *info = data;
int ret = 0;
unsigned int val;
ret = regmap_read(info->map, PM800_STATUS_1, &val);
if (ret < 0) {
dev_err(info->idev->dev.parent, "failed to read status: %d\n",
ret);
return IRQ_NONE;
}
val &= PM800_ONKEY_STS1;
/*
* HW workaround: There is bug of LONG_ONKEY_EVENT will be detected wrongly,
* then it will trigger power down/power up cycle unexpectedly.
* Sw will reset the LONG_ONKEY timer to avoid this kind of issue.
*/
regmap_update_bits(info->map, PM800_WAKEUP1,
PM800_LONGKEY_RESET, PM800_LONGKEY_RESET);
#ifdef CONFIG_FAKE_SYSTEMOFF
if (fake_sysoff_block_onkey())
goto out;
if (fake_sysoff_status_query()) {
if (val) { /*down key*/
if (!atomic_cmpxchg(&longpress_work_state, 0, 1)) {
schedule_delayed_work(&presscheck_work,
LONGPRESS_INTERVAL);
/* Think about following case: onkey down/up->
* kernel will awake 5s ->after 4s->
* user long down on key -> after 1s, suspend
* -> have no chance for 3s timeout*/
__pm_wakeup_event(&suspend_longkey_lock,
jiffies_to_msecs(LONGPRESS_INTERVAL + HZ));
}
} else { /*up key*/
if (atomic_cmpxchg(&longpress_work_state, 1, 0)) {
/* short press */
cancel_delayed_work_sync(&presscheck_work);
}
}
} else {
#endif
#if defined(CONFIG_KERNEL_DEBUG_SEC) && (defined(CONFIG_MACH_LT02) || defined(CONFIG_MACH_COCOA7))
key_dbg("%s state = %d\n", __func__, val);
gpio_keys_setstate(KEY_POWER, val ? true : false);
if (val && gpio_keys_getstate(KEY_VOLUMEUP) && jack_is_detected)
gpio_keys_start_upload_modtimer();
#endif
input_report_key(info->idev, KEY_POWER, val);
input_sync(info->idev);
#ifdef CONFIG_FAKE_SYSTEMOFF
}
out:
#endif
is_power_key_pressed = val; // AT+KEYSHORT cmd
return IRQ_HANDLED;
}
/* 88PM822 gives us an interrupt when ONKEY is held */
static irqreturn_t pm822_onkey_handler(int irq, void *data)
{
struct pm822_onkey_info *info = data;
int ret = 0;
unsigned int val;
ret = regmap_read(info->map, PM822_STATUS1, &val);
if (ret < 0) {
dev_err(info->idev->dev.parent, "failed to read status: %d\n",
ret);
return IRQ_NONE;
}
val &= PM822_ONKEY_STS1;
#ifdef CONFIG_FAKE_SYSTEMOFF
if (fake_sysoff_block_onkey())
goto out;
if (fake_sysoff_status_query()) {
if (val) { /*down key*/
if (!atomic_cmpxchg(&longpress_work_state, 0, 1)) {
schedule_delayed_work(&presscheck_work,
LONGPRESS_INTERVAL);
/* Think about following case: onkey down/up->
* kernel will awake 5s ->after 4s->
* user long down on key -> after 1s, suspend
* -> have no chance for 3s timeout*/
__pm_wakeup_event(&suspend_longkey_lock,
jiffies_to_msecs(LONGPRESS_INTERVAL + HZ));
}
} else { /*up key*/
if (atomic_cmpxchg(&longpress_work_state, 1, 0)) {
/* short press */
cancel_delayed_work_sync(&presscheck_work);
}
}
} else {
#endif
#if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
printk("power key val =%d\n",val);
#endif
input_report_key(info->idev, KEY_POWER, val);
input_sync(info->idev);
#ifdef CONFIG_FAKE_SYSTEMOFF
}
out:
#endif
is_power_key_pressed = val; // AT+KEYSHORT cmd
return IRQ_HANDLED;
}