mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/iio/gyro/bmg160_core.c
..
..
@@ -1,15 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * BMG160 Gyro Sensor driver
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  * Copyright (c) 2014, 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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5
  */
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6
 
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 #include <linux/module.h>
..
..
@@ -102,6 +94,7 @@
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 	struct regmap *regmap;
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 	struct iio_trigger *dready_trig;
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 	struct iio_trigger *motion_trig;
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+	struct iio_mount_matrix orientation;
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 	struct mutex mutex;
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 	/* Ensure naturally aligned timestamp */
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 	struct {
..
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@@ -798,6 +791,20 @@
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 	return 0;
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 }
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+static const struct iio_mount_matrix *
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+bmg160_get_mount_matrix(const struct iio_dev *indio_dev,
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+			 const struct iio_chan_spec *chan)
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+{
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+	struct bmg160_data *data = iio_priv(indio_dev);
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+
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+	return &data->orientation;
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+}
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+
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+static const struct iio_chan_spec_ext_info bmg160_ext_info[] = {
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+	IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmg160_get_mount_matrix),
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+	{ }
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+};
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+
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 static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 400 1000 2000");
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809
 
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 static IIO_CONST_ATTR(in_anglvel_scale_available,
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@@ -835,6 +842,7 @@
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 		.storagebits = 16,					\
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 		.endianness = IIO_LE,					\
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 	},								\
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+	.ext_info = bmg160_ext_info,					\
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 	.event_spec = &bmg160_event,					\
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 	.num_event_specs = 1						\
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 }
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@@ -1047,8 +1055,6 @@
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 static const struct iio_buffer_setup_ops bmg160_buffer_setup_ops = {
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 	.preenable = bmg160_buffer_preenable,
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-	.postenable = iio_triggered_buffer_postenable,
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-	.predisable = iio_triggered_buffer_predisable,
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 	.postdisable = bmg160_buffer_postdisable,
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 };
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..
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@@ -1079,6 +1085,11 @@
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 	data->irq = irq;
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 	data->regmap = regmap;
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+	ret = iio_read_mount_matrix(dev, "mount-matrix",
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+				&data->orientation);
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+	if (ret)
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+		return ret;
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+
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 	ret = bmg160_chip_init(data);
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 	if (ret < 0)
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 		return ret;
..
..
@@ -1088,7 +1099,6 @@
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 	if (ACPI_HANDLE(dev))
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 		name = bmg160_match_acpi_device(dev);
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-	indio_dev->dev.parent = dev;
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 	indio_dev->channels = bmg160_channels;
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 	indio_dev->num_channels = ARRAY_SIZE(bmg160_channels);
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 	indio_dev->name = name;
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@@ -1160,11 +1170,14 @@
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 	ret = iio_device_register(indio_dev);
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 	if (ret < 0) {
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 		dev_err(dev, "unable to register iio device\n");
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-		goto err_buffer_cleanup;
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+		goto err_pm_cleanup;
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 	}
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 	return 0;
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+err_pm_cleanup:
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+	pm_runtime_dont_use_autosuspend(dev);
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+	pm_runtime_disable(dev);
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 err_buffer_cleanup:
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 	iio_triggered_buffer_cleanup(indio_dev);
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 err_trigger_unregister: