iio: magnetometer: bmc150: add mount matrix support (d9842c77) · Commits · 戴 / test

drivers/iio/magnetometer/bmc150_magn.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -143,6 +143,7 @@ struct bmc150_magn_data {
		*/
		struct mutex mutex;
		struct regmap *regmap;
		struct iio_mount_matrix orientation;
		/* 4 x 32 bits for x, y z, 4 bytes align, 64 bits timestamp */
		s32 buffer[6];
		struct iio_trigger *dready_trig;
		@@ -612,6 +613,20 @@ static ssize_t bmc150_magn_show_samp_freq_avail(struct device *dev,
		return len;
		}

		static const struct iio_mount_matrix *
		bmc150_magn_get_mount_matrix(const struct iio_dev *indio_dev,
		const struct iio_chan_spec *chan)
		{
		struct bmc150_magn_data *data = iio_priv(indio_dev);

		return &data->orientation;
		}

		static const struct iio_chan_spec_ext_info bmc150_magn_ext_info[] = {
		IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmc150_magn_get_mount_matrix),
		{ }
		};

		static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(bmc150_magn_show_samp_freq_avail);

		static struct attribute *bmc150_magn_attributes[] = {
		@@ -638,6 +653,7 @@ static const struct attribute_group bmc150_magn_attrs_group = {
		.storagebits = 32, \
		.endianness = IIO_LE \
		}, \
		.ext_info = bmc150_magn_ext_info, \
		}

		static const struct iio_chan_spec bmc150_magn_channels[] = {
		@@ -861,6 +877,11 @@ int bmc150_magn_probe(struct device dev, struct regmap regmap,
		data->irq = irq;
		data->dev = dev;

		ret = iio_read_mount_matrix(dev, "mount-matrix",
		&data->orientation);
		if (ret)
		return ret;

		if (!name && ACPI_HANDLE(dev))
		name = bmc150_magn_match_acpi_device(dev);