linux-kernel - [PATCH] platform/chrome: chromeos

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Message-Id: <20190830231404.60005-1-ravisadineni@chromium.org>
Date:   Fri, 30 Aug 2019 16:14:04 -0700
From:   Ravi Chandra Sadineni <ravisadineni@...omium.org>
To:     bleung@...omium.org, enric.balletbo@...labora.com,
        swboyd@...omium.org, tbroch@...omium.org,
        linux-kernel@...r.kernel.org
Cc:     Ravi Chandra Sadineni <ravisadineni@...omium.org>
Subject: [PATCH] platform/chrome: chromeos_tbmc : Report wake events.

Mark chromeos_tbmc as wake capable and report wake events. This helps to
abort suspend on seeing a tablet mode switch event when kernel is
suspending. This also helps identifying if chroemos_tbmc is the wake
source.

Signed-off-by: Ravi Chandra Sadineni <ravisadineni@...omium.org>
---
 drivers/platform/chrome/chromeos_tbmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/chrome/chromeos_tbmc.c b/drivers/platform/chrome/chromeos_tbmc.c
index ce259ec9f990..d1cf8f3463ce 100644
--- a/drivers/platform/chrome/chromeos_tbmc.c
+++ b/drivers/platform/chrome/chromeos_tbmc.c
@@ -47,6 +47,7 @@ static __maybe_unused int chromeos_tbmc_resume(struct device *dev)
 
 static void chromeos_tbmc_notify(struct acpi_device *adev, u32 event)
 {
+	acpi_pm_wakeup_event(&adev->dev);
 	switch (event) {
 	case 0x80:
 		chromeos_tbmc_query_switch(adev, adev->driver_data);
@@ -90,6 +91,7 @@ static int chromeos_tbmc_add(struct acpi_device *adev)
 		dev_err(dev, "cannot register input device\n");
 		return ret;
 	}
+	device_init_wakeup(dev, true);
 	return 0;
 }
 
-- 
2.21.0