From 930c43d4b61eb5caf7413ea6a9c3ab41cafcbea4 Mon Sep 17 00:00:00 2001
From: Ben Zhang <benzh@chromium.org>
Date: Sat, 7 Mar 2020 19:32:40 -0500
Subject: [PATCH] CHROMIUM: pinctrl: intel: Allow pin as IRQ even in ACPI mode

This is a workaround for b/151015807 to make da7219
IRQ working. Still need to figure out what's wrong
with JSL pin configuration.

BUG=b:151015807
TEST=Headset plug/unplug and buttons work

Signed-off-by: Ben Zhang <benzh@chromium.org>
Change-Id: Ic2cbfda7a53bc2c82214e230e7f0a26c2f03367d
---
 drivers/pinctrl/intel/pinctrl-intel.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 83981ad66a71..cbd02898880a 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1058,8 +1058,7 @@ static int intel_gpio_irq_type(struct irq_data *d, unsigned int type)
	 * updated by the host controller hardware.
	 */
	if (intel_pad_acpi_mode(pctrl, pin)) {
-		dev_warn(pctrl->dev, "pin %u cannot be used as IRQ\n", pin);
-		return -EPERM;
+		dev_warn(pctrl->dev, "pin %u cannot be used as IRQ. HACK: continue anyway for b/151015807\n", pin);
	}

	raw_spin_lock_irqsave(&pctrl->lock, flags);
--
2.25.1.481.gfbce0eb801-goog