[PATCH v2 4/4] gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 CHT + AXP288 model

From: Hans de Goede <hdegoede@redhat.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Marc Lehmann <schmorp@schmorp.de>,
	linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: [PATCH v2 4/4] gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 CHT + AXP288 model
Date: Mon,  2 Mar 2020 12:12:25 +0100	[thread overview]
Message-ID: <20200302111225.6641-4-hdegoede@redhat.com> (raw)
In-Reply-To: <20200302111225.6641-1-hdegoede@redhat.com>

There are at least 3 models of the HP x2 10 models:

Bay Trail SoC + AXP288 PMIC
Cherry Trail SoC + AXP288 PMIC
Cherry Trail SoC + TI PMIC

Like on the other HP x2 10 models we need to ignore wakeup for ACPI GPIO
events on the external embedded-controller pin to avoid spurious wakeups
on the HP x2 10 CHT + AXP288 model too.

This commit adds an extra DMI based quirk for the HP x2 10 CHT + AXP288
model, ignoring wakeups for ACPI GPIO events on the EC interrupt pin
on this model. This fixes spurious wakeups from suspend on this model.

Fixes: aa23ca3d98f7 ("gpiolib: acpi: Add honor_wakeup module-option + quirk mech
Reported-and-tested-by: Marc Lehmann <schmorp@schmorp.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/gpio/gpiolib-acpi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index d1ef060a5873..0017367e94ee 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1437,6 +1437,21 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
 			.ignore_wake = "INT33FC:02@28",
 		},
 	},
+	{
+		/*
+		 * HP X2 10 models with Cherry Trail SoC + AXP288 PMIC use an
+		 * external embedded-controller connected via I2C + an ACPI GPIO
+		 * event handler on INT33FF:01 pin 0, causing spurious wakeups.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
+			DMI_MATCH(DMI_BOARD_NAME, "813E"),
+		},
+		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+			.ignore_wake = "INT33FF:01@0",
+		},
+	},
 	{} /* Terminating entry */
 };
 
-- 
2.25.1

