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iio: st_sensors: Use get_unaligned_be24() and sign_extend32()

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Use these functions instead of open-coding them.

Cc: Denis Ciocca <denis.ciocca@st.com>
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 03:31:35 +03:00 committed by Jonathan Cameron
parent 92b7d5b70f
commit 3009fb9cab
1 changed files with 1 additions and 6 deletions
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7
drivers/iio/common/st_sensors/st_sensors_core.c
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@ -20,11 +20,6 @@
#include "st_sensors_core.h"
static inline u32 st_sensors_get_unaligned_le24(const u8 *p)
{
return (s32)((p[0] | p[1] << 8 | p[2] << 16) << 8) >> 8;
}
int st_sensors_write_data_with_mask(struct iio_dev *indio_dev,
u8 reg_addr, u8 mask, u8 data)
{
@ -543,7 +538,7 @@ static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
else if (byte_for_channel == 2)
*data = (s16)get_unaligned_le16(outdata);
else if (byte_for_channel == 3)
*data = (s32)st_sensors_get_unaligned_le24(outdata);
*data = (s32)sign_extend32(get_unaligned_le24(outdata), 23);
st_sensors_free_memory:
kfree(outdata);