From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx08-00178001.pphosted.com ([91.207.212.93]:33634 "EHLO mx08-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753063AbbGUIPW (ORCPT ); Tue, 21 Jul 2015 04:15:22 -0400 From: Giuseppe Barba To: CC: , , Giuseppe Barba Subject: [PATCH V3 2/5] iio: st-sensors: add support for single full scale device Date: Tue, 21 Jul 2015 10:14:17 +0200 Message-ID: <1437466460-14412-3-git-send-email-giuseppe.barba@st.com> In-Reply-To: <1437466460-14412-1-git-send-email-giuseppe.barba@st.com> References: <1437466460-14412-1-git-send-email-giuseppe.barba@st.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org Some sensors could have only one full scale value. This means that the sensor hasn't a full scale register. This commit add a check on the configured full scale address to support such kind of sensors. Signed-off-by: Giuseppe Barba --- drivers/iio/common/st_sensors/st_sensors_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index d44bf16..2e7fdb5 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -126,6 +126,9 @@ static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs) int err, i = 0; struct st_sensor_data *sdata = iio_priv(indio_dev); + if (sdata->sensor_settings->fs.addr == 0) + return 0; + err = st_sensors_match_fs(sdata->sensor_settings, fs, &i); if (err < 0) goto st_accel_set_fullscale_error; -- 1.9.1