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Commit 7c836ef5 authored by Keith Fallows's avatar Keith Fallows
Browse files

input: atmel_mxt_ts: Synchronous PM request starting Secure Touch 



Maintain I2C adapter clocks on when starting Secure Touch
using the synchronous version of pm_runtime_get.

Change-Id: Ie30ea56af9e045239099652124740565428518f8
Acked-by: default avatarChristian Bolis <cbolis@qti.qualcomm.com>
Signed-off-by: default avatarKeith Fallows <keithf@codeaurora.org>
parent 879cdf53

drivers/input/touchscreen/atmel_mxt_ts.c

+3 −2
Original line number Diff line number Diff line
@@ -2055,6 +2055,7 @@ static ssize_t mxt_secure_touch_enable_store(struct device *dev, 
				    const char *buf, size_t count)

{

	struct mxt_data *data = dev_get_drvdata(dev);

	struct device *adapter = data->client->adapter->dev.parent;

	unsigned long value;

	int err = 0;
@@ -2072,7 +2073,7 @@ static ssize_t mxt_secure_touch_enable_store(struct device *dev, 
		if (atomic_read(&data->st_enabled) == 0)

			break;



		pm_runtime_put(data->client->adapter->dev.parent);

		pm_runtime_put(adapter);

		atomic_set(&data->st_enabled, 0);

		mxt_secure_touch_notify(data);

		mxt_interrupt(data->client->irq, data);
@@ -2084,7 +2085,7 @@ static ssize_t mxt_secure_touch_enable_store(struct device *dev, 
			break;

		}



		if (pm_runtime_get(data->client->adapter->dev.parent) < 0) {

		if (pm_runtime_get_sync(adapter) < 0) {

			dev_err(&data->client->dev, "pm_runtime_get failed\n");

			err = -EIO;

			break;