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Diffstat (limited to 'drivers/iio/adc/ina2xx-adc.c')
-rw-r--r--drivers/iio/adc/ina2xx-adc.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 5ed63e874292..b573ec60a8b8 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -146,6 +146,11 @@ struct ina2xx_chip_info {
int range_vbus; /* Bus voltage maximum in V */
int pga_gain_vshunt; /* Shunt voltage PGA gain */
bool allow_async_readout;
+ /* data buffer needs space for channel data and timestamp */
+ struct {
+ u16 chan[4];
+ u64 ts __aligned(8);
+ } scan;
};
static const struct ina2xx_config ina2xx_config[] = {
@@ -738,8 +743,6 @@ static int ina2xx_conversion_ready(struct iio_dev *indio_dev)
static int ina2xx_work_buffer(struct iio_dev *indio_dev)
{
struct ina2xx_chip_info *chip = iio_priv(indio_dev);
- /* data buffer needs space for channel data and timestap */
- unsigned short data[4 + sizeof(s64)/sizeof(short)];
int bit, ret, i = 0;
s64 time;
@@ -758,10 +761,10 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev)
if (ret < 0)
return ret;
- data[i++] = val;
+ chip->scan.chan[i++] = val;
}
- iio_push_to_buffers_with_timestamp(indio_dev, data, time);
+ iio_push_to_buffers_with_timestamp(indio_dev, &chip->scan, time);
return 0;
};