gti: add IRQ wakelockandroid-u-beta-3_r0.3android-u-beta-3_r0.2android-u-beta-2.1_r0.4android-u-beta-2.1_r0.3android-u-beta-2.1_r0.2android-gs-raviole-5.10-u-beta3android-gs-raviole-5.10-u-beta2android-gs-pantah-5.10-u-beta2android-gs-bluejay-5.10-u-beta3android-gs-bluejay-5.10-u-beta2

Add IRQ wake lock to avoid the suspending process before IRQ
handler finishes.

Bug: 281463326
Test: Put fingers on the screen and suspend/resume the device.

Change-Id: Id98013ac1d87deebd3d5028113946cfda3b7171e
Signed-off-by: Yen-Chao Chen <davidycchen@google.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/goog_touch_interface.c b/goog_touch_interface.c
index db2ab83..8369505 100644
--- a/goog_touch_interface.c
+++ b/goog_touch_interface.c
@@ -3467,10 +3467,20 @@ static irqreturn_t gti_irq_handler(int irq, void *data)
 
 static irqreturn_t gti_irq_thread_fn(int irq, void *data)
 {
-	irqreturn_t ret;
+	int error;
+	irqreturn_t ret = IRQ_NONE;
 	struct goog_touch_interface *gti = (struct goog_touch_interface *)data;
 
 	ATRACE_BEGIN(__func__);
+
+	error = goog_pm_wake_lock(gti, GTI_PM_WAKELOCK_TYPE_IRQ, true);
+	if (error < 0) {
+		GOOG_WARN(gti, "Skipping stray interrupt, power_status: %d, new power_status: %d\n",
+				gti->pm.state, gti->pm.new_state);
+		ATRACE_END();
+		return IRQ_HANDLED;
+	}
+
 	cpu_latency_qos_update_request(&gti->pm_qos_req, 100 /* usec */);
 
 	/*
@@ -3491,6 +3501,7 @@ static irqreturn_t gti_irq_thread_fn(int irq, void *data)
 
 	gti_debug_hc_update(gti, false);
 	cpu_latency_qos_update_request(&gti->pm_qos_req, PM_QOS_DEFAULT_VALUE);
+	goog_pm_wake_unlock_nosync(gti, GTI_PM_WAKELOCK_TYPE_IRQ);
 	ATRACE_END();
 
 	return ret;