From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out-1.itc.rwth-aachen.de ([134.130.5.46]:35125 "EHLO mail-out-1.itc.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751808AbdLUSbw (ORCPT ); Thu, 21 Dec 2017 13:31:52 -0500 From: =?UTF-8?q?Stefan=20Br=C3=BCns?= To: CC: Peter Meerwald-Stadler , =?UTF-8?q?Stefan=20Br=C3=BCns?= , Maciej Purski , , "Andrew F . Davis" , Lars-Peter Clausen , Jonathan Cameron , Hartmut Knaack Subject: [PATCH v2 2/7] iio: adc: ina2xx: Clarify size requirement for data buffer Date: Thu, 21 Dec 2017 19:31:33 +0100 In-Reply-To: <20171221183138.361-1-stefan.bruens@rwth-aachen.de> References: <20171221183138.361-1-stefan.bruens@rwth-aachen.de> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Message-ID: <177afe81-4299-4ba7-8fbf-4e0f08e3942a@rwthex-w2-a.rwth-ad.de> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org 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 --- 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