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Commit 1ad1ce9b authored by Daniel Baluta's avatar Daniel Baluta Committed by Jonathan Cameron
Browse files

iio: pressure: ms5611: Add IIO_CHAN_INFO_SCALE to mask 



This allows data exported via buffer interface to be converted
to standard units in userspace.

Signed-off-by: default avatarDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 478375ce

drivers/iio/pressure/ms5611_core.c

+16 −2
Original line number Original line Diff line number Diff line
@@ -201,6 +201,18 @@ static int ms5611_read_raw(struct iio_dev *indio_dev, 
		default:

		default:

			return -EINVAL;

			return -EINVAL;

		}

		}

	case IIO_CHAN_INFO_SCALE:

		switch (chan->type) {

		case IIO_TEMP:

			*val = 10;

			return IIO_VAL_INT;

		case IIO_PRESSURE:

			*val = 0;

			*val2 = 1000;

			return IIO_VAL_INT_PLUS_MICRO;

		default:

			return -EINVAL;

		}

	}

	}





	return -EINVAL;

	return -EINVAL;
@@ -218,11 +230,13 @@ static struct ms5611_chip_info chip_info_tbl[] = { 
static const struct iio_chan_spec ms5611_channels[] = {

static const struct iio_chan_spec ms5611_channels[] = {

	{

	{

		.type = IIO_PRESSURE,

		.type = IIO_PRESSURE,

		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),

		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |

			BIT(IIO_CHAN_INFO_SCALE),

	},

	},

	{

	{

		.type = IIO_TEMP,

		.type = IIO_TEMP,

		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),

		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |

			BIT(IIO_CHAN_INFO_SCALE),

	}

	}

};

};