| Message ID | 1529403409-15179-1-git-send-email-m.othacehe@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, 19 Jun 2018 12:16:48 +0200 Mathieu Othacehe <m.othacehe@gmail.com> wrote: > Add new channel type support for phase. > > This channel may be used by Time-of-flight sensors to express the > phase difference between emitted and received signals. Those sensor > will then use the phase shift of return signals to approximate the > distance to objects. > > Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com> Looks good. Will pick up once the user is ready. Jonathan > --- > Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++ > drivers/iio/industrialio-core.c | 1 + > include/uapi/linux/iio/types.h | 1 + > tools/iio/iio_event_monitor.c | 2 ++ > 4 files changed, 11 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 731146c..e0ff2b7 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -1663,3 +1663,10 @@ KernelVersion: 4.12 > Contact: linux-iio@vger.kernel.org > Description: > Raw counter device counters direction for channel Y. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw > +KernelVersion: 4.18 > +Contact: linux-iio@vger.kernel.org > +Description: > + Raw (unscaled) phase difference reading from channel Y > + that can be processed to radians. > \ No newline at end of file > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 19bdf3d..34333de 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -85,6 +85,7 @@ static const char * const iio_chan_type_name_spec[] = { > [IIO_COUNT] = "count", > [IIO_INDEX] = "index", > [IIO_GRAVITY] = "gravity", > + [IIO_PHASE] = "phase", > }; > > static const char * const iio_modifier_names[] = { > diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h > index 4213cdf..6252a0b 100644 > --- a/include/uapi/linux/iio/types.h > +++ b/include/uapi/linux/iio/types.h > @@ -44,6 +44,7 @@ enum iio_chan_type { > IIO_COUNT, > IIO_INDEX, > IIO_GRAVITY, > + IIO_PHASE, > }; > > enum iio_modifier { > diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c > index b61245e..34190f4 100644 > --- a/tools/iio/iio_event_monitor.c > +++ b/tools/iio/iio_event_monitor.c > @@ -58,6 +58,7 @@ static const char * const iio_chan_type_name_spec[] = { > [IIO_PH] = "ph", > [IIO_UVINDEX] = "uvindex", > [IIO_GRAVITY] = "gravity", > + [IIO_PHASE] = "phase", > }; > > static const char * const iio_ev_type_text[] = { > @@ -151,6 +152,7 @@ static bool event_is_known(struct iio_event_data *event) > case IIO_PH: > case IIO_UVINDEX: > case IIO_GRAVITY: > + case IIO_PHASE: > break; > default: > return false; -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 731146c..e0ff2b7 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1663,3 +1663,10 @@ KernelVersion: 4.12 Contact: linux-iio@vger.kernel.org Description: Raw counter device counters direction for channel Y. + +What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Raw (unscaled) phase difference reading from channel Y + that can be processed to radians. \ No newline at end of file diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 19bdf3d..34333de 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -85,6 +85,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_COUNT] = "count", [IIO_INDEX] = "index", [IIO_GRAVITY] = "gravity", + [IIO_PHASE] = "phase", }; static const char * const iio_modifier_names[] = { diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index 4213cdf..6252a0b 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -44,6 +44,7 @@ enum iio_chan_type { IIO_COUNT, IIO_INDEX, IIO_GRAVITY, + IIO_PHASE, }; enum iio_modifier { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index b61245e..34190f4 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -58,6 +58,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_PH] = "ph", [IIO_UVINDEX] = "uvindex", [IIO_GRAVITY] = "gravity", + [IIO_PHASE] = "phase", }; static const char * const iio_ev_type_text[] = { @@ -151,6 +152,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_PH: case IIO_UVINDEX: case IIO_GRAVITY: + case IIO_PHASE: break; default: return false;
Add new channel type support for phase. This channel may be used by Time-of-flight sensors to express the phase difference between emitted and received signals. Those sensor will then use the phase shift of return signals to approximate the distance to objects. Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com> --- Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++ drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 ++ 4 files changed, 11 insertions(+)