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From:   =?UTF-8?q?Myl=C3=A8ne=20Josserand?= <mylene.josserand@bootlin.com>
To:     dmitry.torokhov@gmail.com, robh+dt@kernel.org,
        mark.rutland@arm.com, maxime.ripard@bootlin.com, wens@csie.org
Cc:     linux-input@vger.kernel.org, devicetree@vger.kernel.org,
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        mylene.josserand@bootlin.com, thomas.petazzoni@bootlin.com
Subject: [PATCH v3 2/3] Input: edt-ft5x06 - Set wake/reset values on resume/suspend
Date:   Wed, 18 Jul 2018 20:27:18 +0200
Message-Id: <20180718182719.29663-3-mylene.josserand@bootlin.com>
In-Reply-To: <20180718182719.29663-1-mylene.josserand@bootlin.com>
References: <20180718182719.29663-1-mylene.josserand@bootlin.com>
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Sender: linux-kernel-owner@vger.kernel.org
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On resume and suspend, set the value of wake and reset gpios
to be sure that we are in a know state after suspending/resuming.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
---
 drivers/input/touchscreen/edt-ft5x06.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index aa94494b06b5..b013d97006e6 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1143,6 +1143,12 @@ static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev)
 	if (device_may_wakeup(dev))
 		enable_irq_wake(client->irq);
 
+	if (tsdata->wake_gpio)
+		gpiod_set_value(tsdata->wake_gpio, 0);
+
+	if (tsdata->reset_gpio)
+		gpiod_set_value(tsdata->reset_gpio, 1);
+
 	regulator_disable(tsdata->vcc);
 
 	return 0;
@@ -1157,6 +1163,12 @@ static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev)
 	if (device_may_wakeup(dev))
 		disable_irq_wake(client->irq);
 
+	if (tsdata->wake_gpio)
+		gpiod_set_value(tsdata->wake_gpio, 1);
+
+	if (tsdata->reset_gpio)
+		gpiod_set_value(tsdata->reset_gpio, 0);
+
 	ret = regulator_enable(tsdata->vcc);
 	if (ret < 0) {
 		dev_err(dev, "failed to enable vcc: %d\n", ret);
-- 
2.11.0