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iio: health: afe4403: Use get_unaligned_be24()

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This makes the driver code slightly easier to read.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko
2020-04-21 03:31:27 +03:00
committed by Jonathan Cameron
parent e33ff8ac6d
commit d324ac2e93
1 changed files with 6 additions and 8 deletions
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14
drivers/iio/health/afe4403.c
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@@ -23,6 +23,8 @@
#include <linux/iio/triggered_buffer.h> #include <linux/iio/triggered_buffer.h>
#include <linux/iio/trigger_consumer.h> #include <linux/iio/trigger_consumer.h>
#include <asm/unaligned.h>
#include "afe440x.h" #include "afe440x.h"
#define AFE4403_DRIVER_NAME "afe4403" #define AFE4403_DRIVER_NAME "afe4403"
@@ -220,13 +222,11 @@ static int afe4403_read(struct afe4403_data *afe, unsigned int reg, u32 *val)
if (ret) if (ret)
return ret; return ret;
ret = spi_write_then_read(afe->spi, &reg, 1, rx, 3); ret = spi_write_then_read(afe->spi, &reg, 1, rx, sizeof(rx));
if (ret) if (ret)
return ret; return ret;
*val = (rx[0] << 16) | *val = get_unaligned_be24(&rx[0]);
(rx[1] << 8) |
(rx[2]);
/* Disable reading from the device */ /* Disable reading from the device */
tx[3] = AFE440X_CONTROL0_WRITE; tx[3] = AFE440X_CONTROL0_WRITE;
@@ -322,13 +322,11 @@ static irqreturn_t afe4403_trigger_handler(int irq, void *private)
indio_dev->masklength) { indio_dev->masklength) {
ret = spi_write_then_read(afe->spi, ret = spi_write_then_read(afe->spi,
&afe4403_channel_values[bit], 1, &afe4403_channel_values[bit], 1,
rx, 3); rx, sizeof(rx));
if (ret) if (ret)
goto err; goto err;
buffer[i++] = (rx[0] << 16) | buffer[i++] = get_unaligned_be24(&rx[0]);
(rx[1] << 8) |
(rx[2]);
} }
/* Disable reading from the device */ /* Disable reading from the device */