Commit d456d61f authored by Stefan Brüns's avatar Stefan Brüns Committed by Greg Kroah-Hartman
Browse files

iio: adc: ina2xx: Clarify size requirement for data buffer 



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: default avatarStefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 17b3453f

drivers/iio/adc/ina2xx-adc.c

+2 −1
Original line number Diff line number Diff line
@@ -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;