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iio: chemical: bme680: Drop unnecessary casts and correct adc data types

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Delete any redundant casts in the code and use unsigned integers for the
raw adc values.

Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20240609233826.330516-4-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Vasileios Amoiridis 2024-06-10 01:38:14 +02:00 committed by Jonathan Cameron
parent dfbfb2283c
commit 89ab0c3383
1 changed files with 8 additions and 8 deletions
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16
drivers/iio/chemical/bme680_core.c
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@ -335,7 +335,7 @@ static int bme680_read_calib(struct bme680_data *data,
* output value of "3233" represents 32.33 DegC.
*/
static s16 bme680_compensate_temp(struct bme680_data *data,
s32 adc_temp)
u32 adc_temp)
{
struct bme680_calib *calib = &data->bme680;
s64 var1, var2, var3;
@ -345,7 +345,7 @@ static s16 bme680_compensate_temp(struct bme680_data *data,
if (!calib->par_t2)
bme680_read_calib(data, calib);
var1 = (adc_temp >> 3) - ((s32)calib->par_t1 << 1);
var1 = ((s32)adc_temp >> 3) - ((s32)calib->par_t1 << 1);
var2 = (var1 * calib->par_t2) >> 11;
var3 = ((var1 >> 1) * (var1 >> 1)) >> 12;
var3 = (var3 * ((s32)calib->par_t3 << 4)) >> 14;
@ -410,9 +410,9 @@ static u32 bme680_compensate_humid(struct bme680_data *data,
s32 var1, var2, var3, var4, var5, var6, temp_scaled, calc_hum;
temp_scaled = (data->t_fine * 5 + 128) >> 8;
var1 = (adc_humid - ((s32) ((s32) calib->par_h1 * 16))) -
(((temp_scaled * (s32) calib->par_h3) / 100) >> 1);
var2 = ((s32) calib->par_h2 *
var1 = (adc_humid - (((s32)calib->par_h1 * 16))) -
(((temp_scaled * calib->par_h3) / 100) >> 1);
var2 = (calib->par_h2 *
(((temp_scaled * calib->par_h4) / 100) +
(((temp_scaled * ((temp_scaled * calib->par_h5) / 100))
>> 6) / 100) + (1 << 14))) >> 10;
@ -654,7 +654,7 @@ static int bme680_read_temp(struct bme680_data *data, int *val)
struct device *dev = regmap_get_device(data->regmap);
int ret;
__be32 tmp = 0;
s32 adc_temp;
u32 adc_temp;
s16 comp_temp;
/* set forced mode to trigger measurement */
@ -700,7 +700,7 @@ static int bme680_read_press(struct bme680_data *data,
struct device *dev = regmap_get_device(data->regmap);
int ret;
__be32 tmp = 0;
s32 adc_press;
u32 adc_press;
/* Read and compensate temperature to get a reading of t_fine */
ret = bme680_read_temp(data, NULL);
@ -732,7 +732,7 @@ static int bme680_read_humid(struct bme680_data *data,
struct device *dev = regmap_get_device(data->regmap);
int ret;
__be16 tmp = 0;
s32 adc_humidity;
u16 adc_humidity;
u32 comp_humidity;
/* Read and compensate temperature to get a reading of t_fine */