add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iio/temperature/hid-sensor-temperature.c
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@@ -1,25 +1,12 @@
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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) 2017, 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.
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  */
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 #include <linux/device.h>
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 #include <linux/hid-sensor-hub.h>
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 #include <linux/iio/buffer.h>
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 #include <linux/iio/iio.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/module.h>
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 #include <linux/platform_device.h>
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@@ -238,17 +225,12 @@
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 	indio_dev->channels = temp_chans;
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 	indio_dev->num_channels = ARRAY_SIZE(temperature_channels);
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-	indio_dev->dev.parent = &pdev->dev;
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 	indio_dev->info = &temperature_info;
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 	indio_dev->name = name;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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-	ret = devm_iio_triggered_buffer_setup(&pdev->dev, indio_dev,
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-					&iio_pollfunc_store_time, NULL, NULL);
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-	if (ret)
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-		return ret;
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-
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 	atomic_set(&temp_st->common_attributes.data_ready, 0);
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+
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 	ret = hid_sensor_setup_trigger(indio_dev, name,
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 				&temp_st->common_attributes);
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 	if (ret)
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@@ -271,7 +253,7 @@
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 error_remove_callback:
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 	sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TEMPERATURE);
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 error_remove_trigger:
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-	hid_sensor_remove_trigger(&temp_st->common_attributes);
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+	hid_sensor_remove_trigger(indio_dev, &temp_st->common_attributes);
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 	return ret;
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 }
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@@ -283,7 +265,7 @@
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 	struct temperature_state *temp_st = iio_priv(indio_dev);
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 	sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TEMPERATURE);
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-	hid_sensor_remove_trigger(&temp_st->common_attributes);
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+	hid_sensor_remove_trigger(indio_dev, &temp_st->common_attributes);
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 	return 0;
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 }