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iio: prox: srf08: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
To make code more readable, use a structure to express the channel
layout and ensure the timestamp is 8 byte aligned.
Found during an audit of all calls of uses of
iio_push_to_buffers_with_timestamp()
Fixes: 78f839029e
("iio: distance: srf08: add IIO driver for us ranger")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210501170121.512209-13-jic23@kernel.org
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parent
f4ca2e2595
commit
19f1a254fe
1 changed files with 7 additions and 7 deletions
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@ -63,11 +63,11 @@ struct srf08_data {
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int range_mm;
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int range_mm;
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struct mutex lock;
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struct mutex lock;
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/*
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/* Ensure timestamp is naturally aligned */
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* triggered buffer
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struct {
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* 1x16-bit channel + 3x16 padding + 4x16 timestamp
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s16 chan;
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*/
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s64 timestamp __aligned(8);
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s16 buffer[8];
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} scan;
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/* Sensor-Type */
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/* Sensor-Type */
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enum srf08_sensor_type sensor_type;
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enum srf08_sensor_type sensor_type;
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@ -190,9 +190,9 @@ static irqreturn_t srf08_trigger_handler(int irq, void *p)
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mutex_lock(&data->lock);
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mutex_lock(&data->lock);
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data->buffer[0] = sensor_data;
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data->scan.chan = sensor_data;
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iio_push_to_buffers_with_timestamp(indio_dev,
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iio_push_to_buffers_with_timestamp(indio_dev,
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data->buffer, pf->timestamp);
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&data->scan, pf->timestamp);
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mutex_unlock(&data->lock);
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mutex_unlock(&data->lock);
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err:
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err:
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