disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/iio/pressure/hp206c.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * hp206c.c - HOPERF HP206C precision barometer and altimeter sensor
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  *
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  * Copyright (c) 2016, Intel Corporation.
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- *
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- * This file is subject to the terms and conditions of version 2 of
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- * the GNU General Public License.  See the file COPYING in the main
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- * directory of this archive for more details.
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  *
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  * (7-bit I2C slave address 0x76)
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  *
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@@ -20,6 +17,8 @@
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 #include <linux/delay.h>
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 #include <linux/util_macros.h>
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 #include <linux/acpi.h>
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+
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+#include <asm/unaligned.h>
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 /* I2C commands: */
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 #define HP206C_CMD_SOFT_RST	0x06
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@@ -96,12 +95,12 @@
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 	int ret;
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 	u8 values[3];
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-	ret = i2c_smbus_read_i2c_block_data(client, cmd, 3, values);
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+	ret = i2c_smbus_read_i2c_block_data(client, cmd, sizeof(values), values);
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 	if (ret < 0)
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 		return ret;
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-	if (ret != 3)
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+	if (ret != sizeof(values))
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 		return -EIO;
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-	return ((values[0] & 0xF) << 16) | (values[1] << 8) | (values[2]);
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+	return get_unaligned_be24(&values[0]) & GENMASK(19, 0);
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 }
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 /* Spin for max 160ms until DEV_RDY is 1, or return error. */
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@@ -379,7 +378,6 @@
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 	indio_dev->info = &hp206c_info;
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 	indio_dev->name = id->name;
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-	indio_dev->dev.parent = &client->dev;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = hp206c_channels;
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 	indio_dev->num_channels = ARRAY_SIZE(hp206c_channels);