This is a note to let you know that I've just added the patch titled
iio:chemical:bme680: Fix, report temperature in millidegrees
to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-linus branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.
If you have any questions about this process, please let me know.
From 9436f45dd53595e21566a8c6627411077dfdb776 Mon Sep 17 00:00:00 2001
From: Mike Looijmans mike.looijmans@topic.nl Date: Wed, 6 Mar 2019 08:31:47 +0100 Subject: iio:chemical:bme680: Fix, report temperature in millidegrees
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 Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor"); Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com --- 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 70c1fe4366f4..fefe32b5b69d 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: