| Message ID | ad1f1af237439dcf2a0769280f9e7b1806d484f2.1550768574.git.hns@goldelico.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x | expand |
On Thu, 21 Feb 2019 18:02:51 +0100 "H. Nikolaus Schaller" <hns@goldelico.com> wrote: > This patch allows to read a mount-matrix device tree > property and report to user-space or in-kernel iio > clients. > > Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Applied. Thanks, Jonathan > --- > drivers/iio/gyro/itg3200_core.c | 20 ++++++++++++++++++++ > include/linux/iio/gyro/itg3200.h | 1 + > 2 files changed, 21 insertions(+) > > diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c > index 7adecb562c81..203a6be33b70 100644 > --- a/drivers/iio/gyro/itg3200_core.c > +++ b/drivers/iio/gyro/itg3200_core.c > @@ -242,6 +242,20 @@ static int itg3200_initial_setup(struct iio_dev *indio_dev) > return ret; > } > > +static const struct iio_mount_matrix * > +itg3200_get_mount_matrix(const struct iio_dev *indio_dev, > + const struct iio_chan_spec *chan) > +{ > + struct itg3200 *data = iio_priv(indio_dev); > + > + return &data->orientation; > +} > + > +static const struct iio_chan_spec_ext_info itg3200_ext_info[] = { > + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, itg3200_get_mount_matrix), > + { } > +}; > + > #define ITG3200_ST \ > { .sign = 's', .realbits = 16, .storagebits = 16, .endianness = IIO_BE } > > @@ -255,6 +269,7 @@ static int itg3200_initial_setup(struct iio_dev *indio_dev) > .address = ITG3200_REG_GYRO_ ## _mod ## OUT_H, \ > .scan_index = ITG3200_SCAN_GYRO_ ## _mod, \ > .scan_type = ITG3200_ST, \ > + .ext_info = itg3200_ext_info, \ > } > > static const struct iio_chan_spec itg3200_channels[] = { > @@ -297,6 +312,11 @@ static int itg3200_probe(struct i2c_client *client, > > st = iio_priv(indio_dev); > > + ret = iio_read_mount_matrix(&client->dev, "mount-matrix", > + &st->orientation); > + if (ret) > + return ret; > + > i2c_set_clientdata(client, indio_dev); > st->i2c = client; > > diff --git a/include/linux/iio/gyro/itg3200.h b/include/linux/iio/gyro/itg3200.h > index 2a820850f284..0a30fddccfb3 100644 > --- a/include/linux/iio/gyro/itg3200.h > +++ b/include/linux/iio/gyro/itg3200.h > @@ -104,6 +104,7 @@ > struct itg3200 { > struct i2c_client *i2c; > struct iio_trigger *trig; > + struct iio_mount_matrix orientation; > }; > > enum ITG3200_SCAN_INDEX {
diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c index 7adecb562c81..203a6be33b70 100644 --- a/drivers/iio/gyro/itg3200_core.c +++ b/drivers/iio/gyro/itg3200_core.c @@ -242,6 +242,20 @@ static int itg3200_initial_setup(struct iio_dev *indio_dev) return ret; } +static const struct iio_mount_matrix * +itg3200_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct itg3200 *data = iio_priv(indio_dev); + + return &data->orientation; +} + +static const struct iio_chan_spec_ext_info itg3200_ext_info[] = { + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, itg3200_get_mount_matrix), + { } +}; + #define ITG3200_ST \ { .sign = 's', .realbits = 16, .storagebits = 16, .endianness = IIO_BE } @@ -255,6 +269,7 @@ static int itg3200_initial_setup(struct iio_dev *indio_dev) .address = ITG3200_REG_GYRO_ ## _mod ## OUT_H, \ .scan_index = ITG3200_SCAN_GYRO_ ## _mod, \ .scan_type = ITG3200_ST, \ + .ext_info = itg3200_ext_info, \ } static const struct iio_chan_spec itg3200_channels[] = { @@ -297,6 +312,11 @@ static int itg3200_probe(struct i2c_client *client, st = iio_priv(indio_dev); + ret = iio_read_mount_matrix(&client->dev, "mount-matrix", + &st->orientation); + if (ret) + return ret; + i2c_set_clientdata(client, indio_dev); st->i2c = client; diff --git a/include/linux/iio/gyro/itg3200.h b/include/linux/iio/gyro/itg3200.h index 2a820850f284..0a30fddccfb3 100644 --- a/include/linux/iio/gyro/itg3200.h +++ b/include/linux/iio/gyro/itg3200.h @@ -104,6 +104,7 @@ struct itg3200 { struct i2c_client *i2c; struct iio_trigger *trig; + struct iio_mount_matrix orientation; }; enum ITG3200_SCAN_INDEX {
This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> --- drivers/iio/gyro/itg3200_core.c | 20 ++++++++++++++++++++ include/linux/iio/gyro/itg3200.h | 1 + 2 files changed, 21 insertions(+)