Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752599Ab3IJMuN (ORCPT ); Tue, 10 Sep 2013 08:50:13 -0400 Received: from mail-ee0-f51.google.com ([74.125.83.51]:51023 "EHLO mail-ee0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752395Ab3IJMuG (ORCPT ); Tue, 10 Sep 2013 08:50:06 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, jic23@cam.ac.uk Cc: arnd@arndb.de, linus.walleij@linaro.org, denis.ciocca@st.com, linux-iio@vger.kernel.org, Lee Jones Subject: [PATCH 18/38] iio: sensors-core: st: Allow full-scale to be an optional feature Date: Tue, 10 Sep 2013 13:49:19 +0100 Message-Id: <1378817379-8238-19-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1378817379-8238-1-git-send-email-lee.jones@linaro.org> References: <1378817379-8238-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2122 Lines: 56 Some chips either don't support it or fail to provide adequate documentation, so sometimes it's impossible to enable the feature even if it is supported. Signed-off-by: Lee Jones --- drivers/iio/common/st_sensors/st_sensors_core.c | 11 +++++++---- drivers/iio/pressure/st_pressure_core.c | 6 ++++-- 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 965ee22..eb261a5 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -235,10 +235,13 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev, if (err < 0) goto init_error; - err = st_sensors_set_fullscale(indio_dev, - sdata->current_fullscale->num); - if (err < 0) - goto init_error; + if (sdata->current_fullscale) { + err = st_sensors_set_fullscale(indio_dev, + sdata->current_fullscale->num); + if (err < 0) + goto init_error; + } else + dev_info(&indio_dev->dev, "Full-scale not possible\n"); err = st_sensors_set_odr(indio_dev, sdata->odr); if (err < 0) diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index ceebd3c..16cfbc5 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -226,8 +226,10 @@ int st_press_common_probe(struct iio_dev *indio_dev, indio_dev->channels = pdata->sensor->ch; indio_dev->num_channels = ARRAY_SIZE(st_press_channels); - pdata->current_fullscale = (struct st_sensor_fullscale_avl *) - &pdata->sensor->fs.fs_avl[0]; + if (pdata->sensor->fs.addr != 0) + pdata->current_fullscale = (struct st_sensor_fullscale_avl *) + &pdata->sensor->fs.fs_avl[0]; + pdata->odr = pdata->sensor->odr.odr_avl[0].hz; if (!plat_data) -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/