From f9279d3a8cc8e518d21784d0152f04b5ee6635cb Mon Sep 17 00:00:00 2001 From: Peter Meerwald Date: Wed, 1 Oct 2014 21:59:00 +0100 Subject: [PATCH] iio:magnetometer:mag3110: Scale factor missing for temperature temperature is reported in milli-Celsius Signed-off-by: Peter Meerwald Signed-off-by: Jonathan Cameron --- drivers/iio/magnetometer/mag3110.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index f66955f..02e4f97 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -183,8 +183,17 @@ static int mag3110_read_raw(struct iio_dev *indio_dev, return -EINVAL; } case IIO_CHAN_INFO_SCALE: - *val = 0; - *val2 = 1000; + switch (chan->type) { + case IIO_MAGN: + *val = 0; + *val2 = 1000; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_TEMP: + *val = 1000; + return IIO_VAL_INT; + default: + return -EINVAL; + } return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SAMP_FREQ: i = data->ctrl_reg1 >> MAG3110_CTRL_DR_SHIFT; @@ -270,7 +279,8 @@ static const struct iio_chan_spec mag3110_channels[] = { MAG3110_CHANNEL(Z, 2), { .type = IIO_TEMP, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), .scan_index = 3, .scan_type = { .sign = 's', -- 2.7.4