| Message ID | 5d256b403997704072ea5f5889a63adfe67b3a86.1550768574.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 18:02:48 +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/accel/bmc150-accel-core.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c > index 383c802eb5b8..b4e2d9b04e1d 100644 > --- a/drivers/iio/accel/bmc150-accel-core.c > +++ b/drivers/iio/accel/bmc150-accel-core.c > @@ -204,6 +204,7 @@ struct bmc150_accel_data { > int ev_enable_state; > int64_t timestamp, old_timestamp; /* Only used in hw fifo mode. */ > const struct bmc150_accel_chip_info *chip_info; > + struct iio_mount_matrix orientation; > }; > > static const struct { > @@ -796,6 +797,20 @@ static ssize_t bmc150_accel_get_fifo_state(struct device *dev, > return sprintf(buf, "%d\n", state); > } > > +static const struct iio_mount_matrix * > +bmc150_accel_get_mount_matrix(const struct iio_dev *indio_dev, > + const struct iio_chan_spec *chan) > +{ > + struct bmc150_accel_data *data = iio_priv(indio_dev); > + > + return &data->orientation; > +} > + > +static const struct iio_chan_spec_ext_info bmc150_accel_ext_info[] = { > + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmc150_accel_get_mount_matrix), > + { } > +}; > + > static IIO_CONST_ATTR(hwfifo_watermark_min, "1"); > static IIO_CONST_ATTR(hwfifo_watermark_max, > __stringify(BMC150_ACCEL_FIFO_LENGTH)); > @@ -978,6 +993,7 @@ static const struct iio_event_spec bmc150_accel_event = { > .shift = 16 - (bits), \ > .endianness = IIO_LE, \ > }, \ > + .ext_info = bmc150_accel_ext_info, \ > .event_spec = &bmc150_accel_event, \ > .num_event_specs = 1 \ > } > @@ -1555,6 +1571,11 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq, > > data->regmap = regmap; > > + ret = iio_read_mount_matrix(dev, "mount-matrix", > + &data->orientation); > + if (ret) > + return ret; > + > ret = bmc150_accel_chip_init(data); > if (ret < 0) > return ret;
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 383c802eb5b8..b4e2d9b04e1d 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -204,6 +204,7 @@ struct bmc150_accel_data { int ev_enable_state; int64_t timestamp, old_timestamp; /* Only used in hw fifo mode. */ const struct bmc150_accel_chip_info *chip_info; + struct iio_mount_matrix orientation; }; static const struct { @@ -796,6 +797,20 @@ static ssize_t bmc150_accel_get_fifo_state(struct device *dev, return sprintf(buf, "%d\n", state); } +static const struct iio_mount_matrix * +bmc150_accel_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct bmc150_accel_data *data = iio_priv(indio_dev); + + return &data->orientation; +} + +static const struct iio_chan_spec_ext_info bmc150_accel_ext_info[] = { + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmc150_accel_get_mount_matrix), + { } +}; + static IIO_CONST_ATTR(hwfifo_watermark_min, "1"); static IIO_CONST_ATTR(hwfifo_watermark_max, __stringify(BMC150_ACCEL_FIFO_LENGTH)); @@ -978,6 +993,7 @@ static const struct iio_event_spec bmc150_accel_event = { .shift = 16 - (bits), \ .endianness = IIO_LE, \ }, \ + .ext_info = bmc150_accel_ext_info, \ .event_spec = &bmc150_accel_event, \ .num_event_specs = 1 \ } @@ -1555,6 +1571,11 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq, data->regmap = regmap; + ret = iio_read_mount_matrix(dev, "mount-matrix", + &data->orientation); + if (ret) + return ret; + ret = bmc150_accel_chip_init(data); if (ret < 0) return ret;
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/accel/bmc150-accel-core.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)