From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752500AbbAYW7Y (ORCPT ); Sun, 25 Jan 2015 17:59:24 -0500 Received: from saturn.retrosnub.co.uk ([178.18.118.26]:51026 "EHLO saturn.retrosnub.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751252AbbAYW7W (ORCPT ); Sun, 25 Jan 2015 17:59:22 -0500 Message-ID: <54C57548.8020706@kernel.org> Date: Sun, 25 Jan 2015 22:59:20 +0000 From: Jonathan Cameron User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Irina Tirdea , linux-iio@vger.kernel.org CC: linux-kernel@vger.kernel.org, Vlad Dogaru , Daniel Baluta , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald Subject: Re: [PATCH v2 02/10] iio: core: Introduce DISTANCE channel type References: <1421003416-27557-1-git-send-email-irina.tirdea@intel.com> <1421003416-27557-3-git-send-email-irina.tirdea@intel.com> In-Reply-To: <1421003416-27557-3-git-send-email-irina.tirdea@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/01/15 19:10, Irina Tirdea wrote: > Some devices export an estimation of the distance the user has covered > since the last reset. > > One of this devices is Freescale's MMA9553L > (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) > that computes the distance based on the stride length and step rate. > > Introduce a new channel type DISTANCE to export these values. > > Signed-off-by: Irina Tirdea Applied to the togreg branch of iio.git - pushed out as testing for now. > --- > Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++ > drivers/iio/industrialio-core.c | 1 + > include/linux/iio/types.h | 1 + > 3 files changed, 12 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 3311886..c627a9a 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -283,6 +283,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale > What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale > What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_distance_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale > @@ -1059,6 +1060,15 @@ Description: > device (e.g.: human activity sensors report energy burnt by the > user). Units after application of scale are Joules. > > +What: /sys/.../iio:deviceX/in_distance_input > +What: /sys/.../iio:deviceX/in_distance_raw > +KernelVersion: 3.20 > +Contact: linux-iio@vger.kernel.org > +Description: > + This attribute is used to read the distance covered by the user > + since the last reboot while activated. Units after application > + of scale are meters. > + > What: /sys/bus/iio/devices/iio:deviceX/store_eeprom > KernelVersion: 3.4.0 > Contact: linux-iio@vger.kernel.org > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 8d2c9ba..655755b 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -73,6 +73,7 @@ static const char * const iio_chan_type_name_spec[] = { > [IIO_ACTIVITY] = "activity", > [IIO_STEPS] = "steps", > [IIO_ENERGY] = "energy", > + [IIO_DISTANCE] = "distance", > }; > > static const char * const iio_modifier_names[] = { > diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h > index 26b8a1c..a7de445 100644 > --- a/include/linux/iio/types.h > +++ b/include/linux/iio/types.h > @@ -33,6 +33,7 @@ enum iio_chan_type { > IIO_ACTIVITY, > IIO_STEPS, > IIO_ENERGY, > + IIO_DISTANCE, > }; > > enum iio_modifier { >