aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio/pressure
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/pressure')
-rw-r--r--drivers/iio/pressure/bmp280-core.c98
-rw-r--r--drivers/iio/pressure/st_pressure_core.c7
2 files changed, 41 insertions, 64 deletions
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 29c209cc1108..a33048390118 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -337,8 +337,7 @@ static int bmp280_read_temp(struct bmp280_data *data,
__be32 tmp = 0;
s32 adc_temp, comp_temp;
- ret = regmap_bulk_read(data->regmap, BMP280_REG_TEMP_MSB,
- (u8 *) &tmp, 3);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_TEMP_MSB, &tmp, 3);
if (ret < 0) {
dev_err(data->dev, "failed to read temperature\n");
return ret;
@@ -377,8 +376,7 @@ static int bmp280_read_press(struct bmp280_data *data,
if (ret < 0)
return ret;
- ret = regmap_bulk_read(data->regmap, BMP280_REG_PRESS_MSB,
- (u8 *) &tmp, 3);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_PRESS_MSB, &tmp, 3);
if (ret < 0) {
dev_err(data->dev, "failed to read pressure\n");
return ret;
@@ -400,8 +398,8 @@ static int bmp280_read_press(struct bmp280_data *data,
static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
{
+ __be16 tmp;
int ret;
- __be16 tmp = 0;
s32 adc_humidity;
u32 comp_humidity;
@@ -410,8 +408,7 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
if (ret < 0)
return ret;
- ret = regmap_bulk_read(data->regmap, BMP280_REG_HUMIDITY_MSB,
- (u8 *) &tmp, 2);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_HUMIDITY_MSB, &tmp, 2);
if (ret < 0) {
dev_err(data->dev, "failed to read humidity\n");
return ret;
@@ -575,57 +572,38 @@ static int bmp280_write_raw(struct iio_dev *indio_dev,
return ret;
}
-static ssize_t bmp280_show_avail(char *buf, const int *vals, const int n)
+static int bmp280_read_avail(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ const int **vals, int *type, int *length,
+ long mask)
{
- size_t len = 0;
- int i;
-
- for (i = 0; i < n; i++)
- len += scnprintf(buf + len, PAGE_SIZE - len, "%d ", vals[i]);
-
- buf[len - 1] = '\n';
-
- return len;
-}
-
-static ssize_t bmp280_show_temp_oversampling_avail(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct bmp280_data *data = iio_priv(dev_to_iio_dev(dev));
-
- return bmp280_show_avail(buf, data->chip_info->oversampling_temp_avail,
- data->chip_info->num_oversampling_temp_avail);
-}
-
-static ssize_t bmp280_show_press_oversampling_avail(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct bmp280_data *data = iio_priv(dev_to_iio_dev(dev));
+ struct bmp280_data *data = iio_priv(indio_dev);
- return bmp280_show_avail(buf, data->chip_info->oversampling_press_avail,
- data->chip_info->num_oversampling_press_avail);
+ switch (mask) {
+ case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
+ switch (chan->type) {
+ case IIO_PRESSURE:
+ *vals = data->chip_info->oversampling_press_avail;
+ *length = data->chip_info->num_oversampling_press_avail;
+ break;
+ case IIO_TEMP:
+ *vals = data->chip_info->oversampling_temp_avail;
+ *length = data->chip_info->num_oversampling_temp_avail;
+ break;
+ default:
+ return -EINVAL;
+ }
+ *type = IIO_VAL_INT;
+ return IIO_AVAIL_LIST;
+ default:
+ return -EINVAL;
+ }
}
-static IIO_DEVICE_ATTR(in_temp_oversampling_ratio_available,
- S_IRUGO, bmp280_show_temp_oversampling_avail, NULL, 0);
-
-static IIO_DEVICE_ATTR(in_pressure_oversampling_ratio_available,
- S_IRUGO, bmp280_show_press_oversampling_avail, NULL, 0);
-
-static struct attribute *bmp280_attributes[] = {
- &iio_dev_attr_in_temp_oversampling_ratio_available.dev_attr.attr,
- &iio_dev_attr_in_pressure_oversampling_ratio_available.dev_attr.attr,
- NULL,
-};
-
-static const struct attribute_group bmp280_attrs_group = {
- .attrs = bmp280_attributes,
-};
-
static const struct iio_info bmp280_info = {
.read_raw = &bmp280_read_raw,
+ .read_avail = &bmp280_read_avail,
.write_raw = &bmp280_write_raw,
- .attrs = &bmp280_attrs_group,
};
static int bmp280_chip_config(struct bmp280_data *data)
@@ -713,7 +691,7 @@ static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas)
unsigned int ctrl;
if (data->use_eoc)
- init_completion(&data->done);
+ reinit_completion(&data->done);
ret = regmap_write(data->regmap, BMP280_REG_CTRL_MEAS, ctrl_meas);
if (ret)
@@ -752,14 +730,14 @@ static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas)
static int bmp180_read_adc_temp(struct bmp280_data *data, int *val)
{
+ __be16 tmp;
int ret;
- __be16 tmp = 0;
ret = bmp180_measure(data, BMP180_MEAS_TEMP);
if (ret)
return ret;
- ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB, (u8 *)&tmp, 2);
+ ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB, &tmp, 2);
if (ret)
return ret;
@@ -856,7 +834,7 @@ static int bmp180_read_adc_press(struct bmp280_data *data, int *val)
if (ret)
return ret;
- ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB, (u8 *)&tmp, 3);
+ ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB, &tmp, 3);
if (ret)
return ret;
@@ -965,10 +943,12 @@ static int bmp085_fetch_eoc_irq(struct device *dev,
irq_trig = irqd_get_trigger_type(irq_get_irq_data(irq));
if (irq_trig != IRQF_TRIGGER_RISING) {
- dev_err(dev, "non-rising trigger given for EOC interrupt, "
- "trying to enforce it\n");
+ dev_err(dev, "non-rising trigger given for EOC interrupt, trying to enforce it\n");
irq_trig = IRQF_TRIGGER_RISING;
}
+
+ init_completion(&data->done);
+
ret = devm_request_threaded_irq(dev,
irq,
bmp085_eoc_irq,
@@ -1082,9 +1062,9 @@ int bmp280_common_probe(struct device *dev,
usleep_range(data->start_up_time, data->start_up_time + 100);
/* Bring chip out of reset if there is an assigned GPIO line */
- gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
/* Deassert the signal */
- if (!IS_ERR(gpiod)) {
+ if (gpiod) {
dev_info(dev, "release reset\n");
gpiod_set_value(gpiod, 0);
}
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index bd972cec4830..789a2928504a 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -683,8 +683,7 @@ EXPORT_SYMBOL(st_press_get_settings);
int st_press_common_probe(struct iio_dev *indio_dev)
{
struct st_sensor_data *press_data = iio_priv(indio_dev);
- struct st_sensors_platform_data *pdata =
- (struct st_sensors_platform_data *)press_data->dev->platform_data;
+ struct st_sensors_platform_data *pdata = dev_get_platdata(press_data->dev);
int err;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -708,9 +707,7 @@ int st_press_common_probe(struct iio_dev *indio_dev)
indio_dev->channels = press_data->sensor_settings->ch;
indio_dev->num_channels = press_data->sensor_settings->num_ch;
- press_data->current_fullscale =
- (struct st_sensor_fullscale_avl *)
- &press_data->sensor_settings->fs.fs_avl[0];
+ press_data->current_fullscale = &press_data->sensor_settings->fs.fs_avl[0];
press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.