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SubjectRe: [PATCH v3 1/2] iio/chemical/bme680: Report temperature in millidegrees
On Wed,  6 Mar 2019 08:31:47 +0100
Mike Looijmans <mike.looijmans@topic.nl> wrote:

> The standard unit for temperature is millidegrees Celcius. Adapt the
> driver to report in millidegrees instead of degrees.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
I tweaked the patch title to make it obvious this was a fix
(added the word fix ;)

Applied to the fixes-togreg branch of iio.git and marked for stable.

Thanks,

Jonathan

> ---
> v2: Remove unused 'addr7' variable
> v3: Split patch into temperature and SPI
>
> drivers/iio/chemical/bme680_core.c | 16 +++++++---------
> 1 file changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
> index 70c1fe4..fefe32b 100644
> --- a/drivers/iio/chemical/bme680_core.c
> +++ b/drivers/iio/chemical/bme680_core.c
> @@ -583,8 +583,7 @@ static int bme680_gas_config(struct bme680_data *data)
> return ret;
> }
>
> -static int bme680_read_temp(struct bme680_data *data,
> - int *val, int *val2)
> +static int bme680_read_temp(struct bme680_data *data, int *val)
> {
> struct device *dev = regmap_get_device(data->regmap);
> int ret;
> @@ -617,10 +616,9 @@ static int bme680_read_temp(struct bme680_data *data,
> * compensate_press/compensate_humid to get compensated
> * pressure/humidity readings.
> */
> - if (val && val2) {
> - *val = comp_temp;
> - *val2 = 100;
> - return IIO_VAL_FRACTIONAL;
> + if (val) {
> + *val = comp_temp * 10; /* Centidegrees to millidegrees */
> + return IIO_VAL_INT;
> }
>
> return ret;
> @@ -635,7 +633,7 @@ static int bme680_read_press(struct bme680_data *data,
> s32 adc_press;
>
> /* Read and compensate temperature to get a reading of t_fine */
> - ret = bme680_read_temp(data, NULL, NULL);
> + ret = bme680_read_temp(data, NULL);
> if (ret < 0)
> return ret;
>
> @@ -668,7 +666,7 @@ static int bme680_read_humid(struct bme680_data *data,
> u32 comp_humidity;
>
> /* Read and compensate temperature to get a reading of t_fine */
> - ret = bme680_read_temp(data, NULL, NULL);
> + ret = bme680_read_temp(data, NULL);
> if (ret < 0)
> return ret;
>
> @@ -761,7 +759,7 @@ static int bme680_read_raw(struct iio_dev *indio_dev,
> case IIO_CHAN_INFO_PROCESSED:
> switch (chan->type) {
> case IIO_TEMP:
> - return bme680_read_temp(data, val, val2);
> + return bme680_read_temp(data, val);
> case IIO_PRESSURE:
> return bme680_read_press(data, val, val2);
> case IIO_HUMIDITYRELATIVE:

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