change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
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@@ -1,20 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * HID Sensors Driver
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  * Copyright (c) 2012, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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- *
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  */
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 #include <linux/device.h>
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 #include <linux/platform_device.h>
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@@ -26,6 +13,8 @@
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 #include <linux/hid-sensor-hub.h>
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 #include <linux/iio/iio.h>
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 #include <linux/iio/trigger.h>
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+#include <linux/iio/triggered_buffer.h>
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+#include <linux/iio/trigger_consumer.h>
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 #include <linux/iio/buffer.h>
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 #include <linux/iio/sysfs.h>
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 #include "hid-sensor-trigger.h"
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@@ -235,7 +224,8 @@
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 	return hid_sensor_power_state(iio_trigger_get_drvdata(trig), state);
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 }
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-void hid_sensor_remove_trigger(struct hid_sensor_common *attrb)
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+void hid_sensor_remove_trigger(struct iio_dev *indio_dev,
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+			       struct hid_sensor_common *attrb)
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 {
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 	if (atomic_read(&attrb->runtime_pm_enable))
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 		pm_runtime_disable(&attrb->pdev->dev);
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@@ -246,6 +236,7 @@
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 	cancel_work_sync(&attrb->work);
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 	iio_trigger_unregister(attrb->trigger);
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 	iio_trigger_free(attrb->trigger);
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+	iio_triggered_buffer_cleanup(indio_dev);
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 }
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 EXPORT_SYMBOL(hid_sensor_remove_trigger);
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@@ -259,11 +250,18 @@
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 	int ret;
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 	struct iio_trigger *trig;
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+	ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
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+					 NULL, NULL);
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+	if (ret) {
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+		dev_err(&indio_dev->dev, "Triggered Buffer Setup Failed\n");
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+		return ret;
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+	}
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+
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 	trig = iio_trigger_alloc("%s-dev%d", name, indio_dev->id);
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 	if (trig == NULL) {
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 		dev_err(&indio_dev->dev, "Trigger Allocate Failed\n");
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 		ret = -ENOMEM;
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-		goto error_ret;
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+		goto error_triggered_buffer_cleanup;
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 	}
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 	trig->dev.parent = indio_dev->dev.parent;
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@@ -297,7 +295,8 @@
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 	iio_trigger_unregister(trig);
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 error_free_trig:
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 	iio_trigger_free(trig);
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-error_ret:
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+error_triggered_buffer_cleanup:
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+	iio_triggered_buffer_cleanup(indio_dev);
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 	return ret;
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 }
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 EXPORT_SYMBOL(hid_sensor_setup_trigger);