* [PATCH] iio: mlx90614: Replace offset sign and define magic numbers
@ 2015-06-29 12:03 Crt Mori
2015-06-29 12:19 ` Peter Meerwald
0 siblings, 1 reply; 5+ messages in thread
From: Crt Mori @ 2015-06-29 12:03 UTC (permalink / raw)
To: linux-iio
Cc: Peter Meerwald, Vianney le Clément de Saint-Marcq,
Johnathan Iain Cameron
[-- Attachment #1: Type: text/plain, Size: 3220 bytes --]
Translates the magic constant numbers to named macros and add some
additional comments about their meaning. Also changed the offset to
negative as usual equation is: (raw + offset)*scale and in this
case offset should be negative (as we deduct 273.15 Kelvin to get
temperature in Celsius).
The diff is made towards togreg branch as that branch seems to have the
most recent updates of mlx90614 driver (many are yet to be merged).
Signed-off-by: Crt Mori <cmo@melexis.com>
---
drivers/iio/temperature/mlx90614.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/iio/temperature/mlx90614.c
b/drivers/iio/temperature/mlx90614.c
index cb2e8ad..909278a 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c
@@ -65,6 +65,13 @@
#define MLX90614_AUTOSLEEP_DELAY 5000 /* default autosleep delay */
+/* Magic constants */
+#define MLX90614_CONST_OFFSET_DEC -13657 /* decimal part of the Kelvin
offset */
+#define MLX90614_CONST_OFFSET_REM 500000 /* remainder of offset
(273.15*50) */
+#define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
+#define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for
emissivity */
+#define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~
0.000015259 */
+
struct mlx90614_data {
struct i2c_client *client;
struct mutex lock; /* for EEPROM access only */
@@ -204,11 +211,11 @@ static int mlx90614_read_raw(struct iio_dev
*indio_dev,
*val = ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_OFFSET:
- *val = 13657;
- *val2 = 500000;
+ *val = MLX90614_CONST_OFFSET_DEC;
+ *val2 = MLX90614_CONST_OFFSET_REM;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_SCALE:
- *val = 20;
+ *val = MLX90614_CONST_SCALE;
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
mlx90614_power_get(data, false);
@@ -221,12 +228,12 @@ static int mlx90614_read_raw(struct iio_dev
*indio_dev,
if (ret < 0)
return ret;
- if (ret == 65535) {
+ if (ret == MLX90614_CONST_RAW_EMISSIVITY_MAX) {
*val = 1;
*val2 = 0;
} else {
*val = 0;
- *val2 = ret * 15259; /* 1/65535 ~ 0.000015259 */
+ *val2 = ret * MLX90614_CONST_EMISSIVITY_RESOLUTION;
}
return IIO_VAL_INT_PLUS_NANO;
default:
@@ -245,7 +252,8 @@ static int mlx90614_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
if (val < 0 || val2 < 0 || val > 1 || (val == 1 && val2 !=
0))
return -EINVAL;
- val = val * 65535 + val2 / 15259; /* 1/65535 ~ 0.000015259
*/
+ val = val * MLX90614_CONST_RAW_EMISSIVITY_MAX +
+ val2 / MLX90614_CONST_EMISSIVITY_RESOLUTION;
mlx90614_power_get(data, false);
mutex_lock(&data->lock);
[-- Attachment #2: Type: text/html, Size: 4406 bytes --]
^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [PATCH] iio: mlx90614: Replace offset sign and define magic numbers
2015-06-29 12:03 [PATCH] iio: mlx90614: Replace offset sign and define magic numbers Crt Mori
@ 2015-06-29 12:19 ` Peter Meerwald
2015-06-29 14:39 ` Crt Mori
2015-06-29 14:43 ` Crt Mori
0 siblings, 2 replies; 5+ messages in thread
From: Peter Meerwald @ 2015-06-29 12:19 UTC (permalink / raw)
To: Crt Mori
Cc: linux-iio, Vianney le Clément de Saint-Marcq,
Johnathan Iain Cameron
> Translates the magic constant numbers to named macros and add some
> additional comments about their meaning. Also changed the offset to
> negative as usual equation is: (raw + offset)*scale and in this
> case offset should be negative (as we deduct 273.15 Kelvin to get
> temperature in Celsius).
looks good; strictly, this patch is
(a) a bugfix (the offset should be negative),
(b) cleanup to replace constants by macros
> The diff is made towards togreg branch as that branch seems to have the
> most recent updates of mlx90614 driver (many are yet to be merged).
>
> Signed-off-by: Crt Mori <cmo@melexis.com>
> ---
> drivers/iio/temperature/mlx90614.c | 20 ++++++++++++++------
> 1 file changed, 14 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/temperature/mlx90614.c
> b/drivers/iio/temperature/mlx90614.c
> index cb2e8ad..909278a 100644
> --- a/drivers/iio/temperature/mlx90614.c
> +++ b/drivers/iio/temperature/mlx90614.c
> @@ -65,6 +65,13 @@
>
> #define MLX90614_AUTOSLEEP_DELAY 5000 /* default autosleep delay */
>
> +/* Magic constants */
> +#define MLX90614_CONST_OFFSET_DEC -13657 /* decimal part of the Kelvin
> offset */
> +#define MLX90614_CONST_OFFSET_REM 500000 /* remainder of offset
> (273.15*50) */
> +#define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
> +#define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for
> emissivity */
> +#define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~
> 0.000015259 */
> +
> struct mlx90614_data {
> struct i2c_client *client;
> struct mutex lock; /* for EEPROM access only */
> @@ -204,11 +211,11 @@ static int mlx90614_read_raw(struct iio_dev
> *indio_dev,
> *val = ret;
> return IIO_VAL_INT;
> case IIO_CHAN_INFO_OFFSET:
> - *val = 13657;
> - *val2 = 500000;
> + *val = MLX90614_CONST_OFFSET_DEC;
> + *val2 = MLX90614_CONST_OFFSET_REM;
> return IIO_VAL_INT_PLUS_MICRO;
> case IIO_CHAN_INFO_SCALE:
> - *val = 20;
> + *val = MLX90614_CONST_SCALE;
> return IIO_VAL_INT;
> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
> mlx90614_power_get(data, false);
> @@ -221,12 +228,12 @@ static int mlx90614_read_raw(struct iio_dev
> *indio_dev,
> if (ret < 0)
> return ret;
>
> - if (ret == 65535) {
> + if (ret == MLX90614_CONST_RAW_EMISSIVITY_MAX) {
> *val = 1;
> *val2 = 0;
> } else {
> *val = 0;
> - *val2 = ret * 15259; /* 1/65535 ~ 0.000015259 */
> + *val2 = ret * MLX90614_CONST_EMISSIVITY_RESOLUTION;
> }
> return IIO_VAL_INT_PLUS_NANO;
> default:
> @@ -245,7 +252,8 @@ static int mlx90614_write_raw(struct iio_dev *indio_dev,
> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
> if (val < 0 || val2 < 0 || val > 1 || (val == 1 && val2 !=
> 0))
> return -EINVAL;
> - val = val * 65535 + val2 / 15259; /* 1/65535 ~ 0.000015259
> */
> + val = val * MLX90614_CONST_RAW_EMISSIVITY_MAX +
> + val2 / MLX90614_CONST_EMISSIVITY_RESOLUTION;
>
> mlx90614_power_get(data, false);
> mutex_lock(&data->lock);
>
--
Peter Meerwald
+43-664-2444418 (mobile)
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] iio: mlx90614: Replace offset sign and define magic numbers
2015-06-29 12:19 ` Peter Meerwald
@ 2015-06-29 14:39 ` Crt Mori
2015-06-29 14:43 ` Crt Mori
1 sibling, 0 replies; 5+ messages in thread
From: Crt Mori @ 2015-06-29 14:39 UTC (permalink / raw)
To: Peter Meerwald
Cc: linux-iio, Vianney le Clément de Saint-Marcq,
Johnathan Iain Cameron
[-- Attachment #1: Type: text/plain, Size: 3992 bytes --]
>> Translates the magic constant numbers to named macros and add some
>> additional comments about their meaning. Also changed the offset to
>> negative as usual equation is: (raw + offset)*scale and in this
>> case offset should be negative (as we deduct 273.15 Kelvin to get
>> temperature in Celsius)..
> On 29 June 2015 at 14:19, Peter Meerwald <pmeerw@pmeerw.net> wrote:
>looks good; strictly, this patch is
>(a) a bugfix (the offset should be negative),
>(b) cleanup to replace constants by macros.
I agree, but other things are more design than a proper change.
I would also like you to reconsider the usage of
IIO_CHAN_INFO_PROCESSED which would report calculated value
to avoid knowing the sensor specifics and just provide general output
(this would avoid different calculations of final temperature for different
sensors).
>>
>> The diff is made towards togreg branch as that branch seems to have the
>> most recent updates of mlx90614 driver (many are yet to be merged).
>>
>> Signed-off-by: Crt Mori <cmo@melexis.com>
>> ---
>> drivers/iio/temperature/mlx90614.c | 20 ++++++++++++++------
>> 1 file changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/iio/temperature/mlx90614.c
>> b/drivers/iio/temperature/mlx90614.c
>> index cb2e8ad..909278a 100644
>> --- a/drivers/iio/temperature/mlx90614.c
>> +++ b/drivers/iio/temperature/mlx90614.c
>> @@ -65,6 +65,13 @@
>>
>> #define MLX90614_AUTOSLEEP_DELAY 5000 /* default autosleep delay */
>>
>> +/* Magic constants */
>> +#define MLX90614_CONST_OFFSET_DEC -13657 /* decimal part of the Kelvin
>> offset */
>> +#define MLX90614_CONST_OFFSET_REM 500000 /* remainder of offset
>> (273.15*50) */
>> +#define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
>> +#define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for
>> emissivity */
>> +#define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~
>> 0.000015259 */
>> +
>> struct mlx90614_data {
>> struct i2c_client *client;
>> struct mutex lock; /* for EEPROM access only */
>> @@ -204,11 +211,11 @@ static int mlx90614_read_raw(struct iio_dev
>> *indio_dev,
>> *val = ret;
>> return IIO_VAL_INT;
>> case IIO_CHAN_INFO_OFFSET:
>> - *val = 13657;
>> - *val2 = 500000;
>> + *val = MLX90614_CONST_OFFSET_DEC;
>> + *val2 = MLX90614_CONST_OFFSET_REM;
>> return IIO_VAL_INT_PLUS_MICRO;
>> case IIO_CHAN_INFO_SCALE:
>> - *val = 20;
>> + *val = MLX90614_CONST_SCALE;
>> return IIO_VAL_INT;
>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>> mlx90614_power_get(data, false);
>> @@ -221,12 +228,12 @@ static int mlx90614_read_raw(struct iio_dev
>> *indio_dev,
>> if (ret < 0)
>> return ret;
>>
>> - if (ret == 65535) {
>> + if (ret == MLX90614_CONST_RAW_EMISSIVITY_MAX) {
>> *val = 1;
>> *val2 = 0;
>> } else {
>> *val = 0;
>> - *val2 = ret * 15259; /* 1/65535 ~ 0.000015259 */
>> + *val2 = ret *
MLX90614_CONST_EMISSIVITY_RESOLUTION;
>> }
>> return IIO_VAL_INT_PLUS_NANO;
>> default:
>> @@ -245,7 +252,8 @@ static int mlx90614_write_raw(struct iio_dev
*indio_dev,
>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>> if (val < 0 || val2 < 0 || val > 1 || (val == 1 && val2
!=
>> 0))
>> return -EINVAL;
>> - val = val * 65535 + val2 / 15259; /* 1/65535 ~
0.000015259
>> */
>> + val = val * MLX90614_CONST_RAW_EMISSIVITY_MAX +
>> + val2 / MLX90614_CONST_EMISSIVITY_RESOLUTION;
>>
>> mlx90614_power_get(data, false);
>> mutex_lock(&data->lock);
>>
[-- Attachment #2: Type: text/html, Size: 5338 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] iio: mlx90614: Replace offset sign and define magic numbers
2015-06-29 12:19 ` Peter Meerwald
2015-06-29 14:39 ` Crt Mori
@ 2015-06-29 14:43 ` Crt Mori
2015-07-05 12:51 ` Jonathan Cameron
1 sibling, 1 reply; 5+ messages in thread
From: Crt Mori @ 2015-06-29 14:43 UTC (permalink / raw)
To: linux-iio
>> Translates the magic constant numbers to named macros and add some
>> additional comments about their meaning. Also changed the offset to
>> negative as usual equation is: (raw + offset)*scale and in this
>> case offset should be negative (as we deduct 273.15 Kelvin to get
>> temperature in Celsius)..
> On 29 June 2015 at 14:19, Peter Meerwald <pmeerw@pmeerw.net> wrote:
>looks good; strictly, this patch is
>(a) a bugfix (the offset should be negative),
>(b) cleanup to replace constants by macros.
I agree, but other things are more design than a proper change.
I would also like you to reconsider the usage of
IIO_CHAN_INFO_PROCESSED which would report calculated value
to avoid knowing the sensor specifics and just provide general output
(this would avoid different calculations of final temperature for different
sensors).
>>
>> The diff is made towards togreg branch as that branch seems to have the
>> most recent updates of mlx90614 driver (many are yet to be merged).
>>
>> Signed-off-by: Crt Mori <cmo@melexis.com>
>> ---
>> drivers/iio/temperature/mlx90614.c | 20 ++++++++++++++------
>> 1 file changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/iio/temperature/mlx90614.c
>> b/drivers/iio/temperature/mlx90614.c
>> index cb2e8ad..909278a 100644
>> --- a/drivers/iio/temperature/mlx90614.c
>> +++ b/drivers/iio/temperature/mlx90614.c
>> @@ -65,6 +65,13 @@
>>
>> #define MLX90614_AUTOSLEEP_DELAY 5000 /* default autosleep delay */
>>
>> +/* Magic constants */
>> +#define MLX90614_CONST_OFFSET_DEC -13657 /* decimal part of the Kelvin
>> offset */
>> +#define MLX90614_CONST_OFFSET_REM 500000 /* remainder of offset
>> (273.15*50) */
>> +#define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
>> +#define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for
>> emissivity */
>> +#define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~
>> 0.000015259 */
>> +
>> struct mlx90614_data {
>> struct i2c_client *client;
>> struct mutex lock; /* for EEPROM access only */
>> @@ -204,11 +211,11 @@ static int mlx90614_read_raw(struct iio_dev
>> *indio_dev,
>> *val = ret;
>> return IIO_VAL_INT;
>> case IIO_CHAN_INFO_OFFSET:
>> - *val = 13657;
>> - *val2 = 500000;
>> + *val = MLX90614_CONST_OFFSET_DEC;
>> + *val2 = MLX90614_CONST_OFFSET_REM;
>> return IIO_VAL_INT_PLUS_MICRO;
>> case IIO_CHAN_INFO_SCALE:
>> - *val = 20;
>> + *val = MLX90614_CONST_SCALE;
>> return IIO_VAL_INT;
>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>> mlx90614_power_get(data, false);
>> @@ -221,12 +228,12 @@ static int mlx90614_read_raw(struct iio_dev
>> *indio_dev,
>> if (ret < 0)
>> return ret;
>>
>> - if (ret == 65535) {
>> + if (ret == MLX90614_CONST_RAW_EMISSIVITY_MAX) {
>> *val = 1;
>> *val2 = 0;
>> } else {
>> *val = 0;
>> - *val2 = ret * 15259; /* 1/65535 ~ 0.000015259 */
>> + *val2 = ret * MLX90614_CONST_EMISSIVITY_RESOLUTION;
>> }
>> return IIO_VAL_INT_PLUS_NANO;
>> default:
>> @@ -245,7 +252,8 @@ static int mlx90614_write_raw(struct iio_dev *indio_dev,
>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>> if (val < 0 || val2 < 0 || val > 1 || (val == 1 && val2 !=
>> 0))
>> return -EINVAL;
>> - val = val * 65535 + val2 / 15259; /* 1/65535 ~ 0.000015259
>> */
>> + val = val * MLX90614_CONST_RAW_EMISSIVITY_MAX +
>> + val2 / MLX90614_CONST_EMISSIVITY_RESOLUTION;
>>
>> mlx90614_power_get(data, false);
>> mutex_lock(&data->lock);
>>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] iio: mlx90614: Replace offset sign and define magic numbers
2015-06-29 14:43 ` Crt Mori
@ 2015-07-05 12:51 ` Jonathan Cameron
0 siblings, 0 replies; 5+ messages in thread
From: Jonathan Cameron @ 2015-07-05 12:51 UTC (permalink / raw)
To: Crt Mori, linux-iio
On 29/06/15 15:43, Crt Mori wrote:
>>> Translates the magic constant numbers to named macros and add some
>>> additional comments about their meaning. Also changed the offset to
>>> negative as usual equation is: (raw + offset)*scale and in this
>>> case offset should be negative (as we deduct 273.15 Kelvin to get
>>> temperature in Celsius)..
>
>> On 29 June 2015 at 14:19, Peter Meerwald <pmeerw@pmeerw.net> wrote:
>> looks good; strictly, this patch is
>> (a) a bugfix (the offset should be negative),
>> (b) cleanup to replace constants by macros.
>
> I agree, but other things are more design than a proper change.
True, but the fix may well go via a faster route and be backported
to older kernels. The other stuff is good, but we can take our time
with it. Please split the patch and repost.
>
> I would also like you to reconsider the usage of
> IIO_CHAN_INFO_PROCESSED which would report calculated value
> to avoid knowing the sensor specifics and just provide general output
> (this would avoid different calculations of final temperature for different
> sensors).
If it can't be done via a straight linear map, then processed is the
only option. If it can then it really doesn't matter as generic
userspace will handle it just fine.
>
>>>
>>> The diff is made towards togreg branch as that branch seems to have the
>>> most recent updates of mlx90614 driver (many are yet to be merged).
>>>
>>> Signed-off-by: Crt Mori <cmo@melexis.com>
>>> ---
>>> drivers/iio/temperature/mlx90614.c | 20 ++++++++++++++------
>>> 1 file changed, 14 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/drivers/iio/temperature/mlx90614.c
>>> b/drivers/iio/temperature/mlx90614.c
>>> index cb2e8ad..909278a 100644
>>> --- a/drivers/iio/temperature/mlx90614.c
>>> +++ b/drivers/iio/temperature/mlx90614.c
>>> @@ -65,6 +65,13 @@
>>>
>>> #define MLX90614_AUTOSLEEP_DELAY 5000 /* default autosleep delay */
>>>
>>> +/* Magic constants */
>>> +#define MLX90614_CONST_OFFSET_DEC -13657 /* decimal part of the Kelvin
>>> offset */
>>> +#define MLX90614_CONST_OFFSET_REM 500000 /* remainder of offset
>>> (273.15*50) */
>>> +#define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
>>> +#define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for
>>> emissivity */
>>> +#define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~
>>> 0.000015259 */
>>> +
>>> struct mlx90614_data {
>>> struct i2c_client *client;
>>> struct mutex lock; /* for EEPROM access only */
>>> @@ -204,11 +211,11 @@ static int mlx90614_read_raw(struct iio_dev
>>> *indio_dev,
>>> *val = ret;
>>> return IIO_VAL_INT;
>>> case IIO_CHAN_INFO_OFFSET:
>>> - *val = 13657;
>>> - *val2 = 500000;
>>> + *val = MLX90614_CONST_OFFSET_DEC;
>>> + *val2 = MLX90614_CONST_OFFSET_REM;
>>> return IIO_VAL_INT_PLUS_MICRO;
>>> case IIO_CHAN_INFO_SCALE:
>>> - *val = 20;
>>> + *val = MLX90614_CONST_SCALE;
>>> return IIO_VAL_INT;
>>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>>> mlx90614_power_get(data, false);
>>> @@ -221,12 +228,12 @@ static int mlx90614_read_raw(struct iio_dev
>>> *indio_dev,
>>> if (ret < 0)
>>> return ret;
>>>
>>> - if (ret == 65535) {
>>> + if (ret == MLX90614_CONST_RAW_EMISSIVITY_MAX) {
>>> *val = 1;
>>> *val2 = 0;
>>> } else {
>>> *val = 0;
>>> - *val2 = ret * 15259; /* 1/65535 ~ 0.000015259 */
>>> + *val2 = ret * MLX90614_CONST_EMISSIVITY_RESOLUTION;
>>> }
>>> return IIO_VAL_INT_PLUS_NANO;
>>> default:
>>> @@ -245,7 +252,8 @@ static int mlx90614_write_raw(struct iio_dev *indio_dev,
>>> case IIO_CHAN_INFO_CALIBEMISSIVITY: /* 1/65535 / LSB */
>>> if (val < 0 || val2 < 0 || val > 1 || (val == 1 && val2 !=
>>> 0))
>>> return -EINVAL;
>>> - val = val * 65535 + val2 / 15259; /* 1/65535 ~ 0.000015259
>>> */
>>> + val = val * MLX90614_CONST_RAW_EMISSIVITY_MAX +
>>> + val2 / MLX90614_CONST_EMISSIVITY_RESOLUTION;
>>>
>>> mlx90614_power_get(data, false);
>>> mutex_lock(&data->lock);
>>>
> --
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> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 5+ messages in thread
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2015-06-29 12:03 [PATCH] iio: mlx90614: Replace offset sign and define magic numbers Crt Mori
2015-06-29 12:19 ` Peter Meerwald
2015-06-29 14:39 ` Crt Mori
2015-06-29 14:43 ` Crt Mori
2015-07-05 12:51 ` Jonathan Cameron
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