Messages in this thread Patch in this message | | | From | Stefan Brüns <> | Subject | [PATCH v2 2/7] iio: adc: ina2xx: Clarify size requirement for data buffer | Date | Thu, 21 Dec 2017 19:31:33 +0100 |
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The timestamp is inserted into the buffer after the sample data by iio_push_to_buffers_with_timestamp, document the space requirement for the timestamp.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> ---
Changes in v2: None
drivers/iio/adc/ina2xx-adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 3195f8754c3b..8c8120406f52 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -700,7 +700,8 @@ static const struct iio_chan_spec ina219_channels[] = { static int ina2xx_work_buffer(struct iio_dev *indio_dev) { struct ina2xx_chip_info *chip = iio_priv(indio_dev); - unsigned short data[8]; + /* data buffer needs space for channel data and timestap */ + unsigned short data[4 + sizeof(s64)/sizeof(short)]; int bit, ret, i = 0; s64 time_a, time_b; unsigned int alert; -- 2.15.1
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