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-rw-r--r--drivers/iio/pressure/bmp280-core.c27
-rw-r--r--drivers/iio/pressure/bmp280.h5
-rw-r--r--drivers/iio/pressure/ms5637.c12
-rw-r--r--drivers/iio/pressure/st_pressure_core.c6
-rw-r--r--drivers/iio/pressure/st_pressure_i2c.c3
-rw-r--r--drivers/iio/pressure/st_pressure_spi.c33
-rw-r--r--drivers/iio/pressure/zpa2326.c12
7 files changed, 84 insertions, 14 deletions
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index d82b788374b6..0d2ea3ee371b 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -282,6 +282,11 @@ static int bmp280_read_temp(struct bmp280_data *data,
}
adc_temp = be32_to_cpu(tmp) >> 12;
+ if (adc_temp == BMP280_TEMP_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading temperature skipped\n");
+ return -EIO;
+ }
comp_temp = bmp280_compensate_temp(data, adc_temp);
/*
@@ -317,6 +322,11 @@ static int bmp280_read_press(struct bmp280_data *data,
}
adc_press = be32_to_cpu(tmp) >> 12;
+ if (adc_press == BMP280_PRESS_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading pressure skipped\n");
+ return -EIO;
+ }
comp_press = bmp280_compensate_press(data, adc_press);
*val = comp_press;
@@ -345,6 +355,11 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
}
adc_humidity = be16_to_cpu(tmp);
+ if (adc_humidity == BMP280_HUMIDITY_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading humidity skipped\n");
+ return -EIO;
+ }
comp_humidity = bmp280_compensate_humidity(data, adc_humidity);
*val = comp_humidity;
@@ -597,14 +612,20 @@ static const struct bmp280_chip_info bmp280_chip_info = {
static int bme280_chip_config(struct bmp280_data *data)
{
- int ret = bmp280_chip_config(data);
+ int ret;
u8 osrs = BMP280_OSRS_HUMIDITIY_X(data->oversampling_humid + 1);
+ /*
+ * Oversampling of humidity must be set before oversampling of
+ * temperature/pressure is set to become effective.
+ */
+ ret = regmap_update_bits(data->regmap, BMP280_REG_CTRL_HUMIDITY,
+ BMP280_OSRS_HUMIDITY_MASK, osrs);
+
if (ret < 0)
return ret;
- return regmap_update_bits(data->regmap, BMP280_REG_CTRL_HUMIDITY,
- BMP280_OSRS_HUMIDITY_MASK, osrs);
+ return bmp280_chip_config(data);
}
static const struct bmp280_chip_info bme280_chip_info = {
diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h
index 2c770e13be0e..61347438b779 100644
--- a/drivers/iio/pressure/bmp280.h
+++ b/drivers/iio/pressure/bmp280.h
@@ -96,6 +96,11 @@
#define BME280_CHIP_ID 0x60
#define BMP280_SOFT_RESET_VAL 0xB6
+/* BMP280 register skipped special values */
+#define BMP280_TEMP_SKIPPED 0x80000
+#define BMP280_PRESS_SKIPPED 0x80000
+#define BMP280_HUMIDITY_SKIPPED 0x8000
+
/* Regmap configurations */
extern const struct regmap_config bmp180_regmap_config;
extern const struct regmap_config bmp280_regmap_config;
diff --git a/drivers/iio/pressure/ms5637.c b/drivers/iio/pressure/ms5637.c
index 953ffbc0ef96..c413f8a84a63 100644
--- a/drivers/iio/pressure/ms5637.c
+++ b/drivers/iio/pressure/ms5637.c
@@ -181,11 +181,21 @@ static const struct i2c_device_id ms5637_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ms5637_id);
+static const struct of_device_id ms5637_of_match[] = {
+ { .compatible = "meas,ms5637", },
+ { .compatible = "meas,ms5805", },
+ { .compatible = "meas,ms5837", },
+ { .compatible = "meas,ms8607-temppressure", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, ms5637_of_match);
+
static struct i2c_driver ms5637_driver = {
.probe = ms5637_probe,
.id_table = ms5637_id,
.driver = {
- .name = "ms5637"
+ .name = "ms5637",
+ .of_match_table = of_match_ptr(ms5637_of_match),
},
};
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index aa61ec15c139..34611a8ea2ce 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -390,7 +390,7 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.drdy_irq = {
.addr = 0x23,
.mask_int1 = 0x01,
- .mask_int2 = 0x10,
+ .mask_int2 = 0x00,
.addr_ihl = 0x22,
.mask_ihl = 0x80,
.addr_od = 0x22,
@@ -449,14 +449,14 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.drdy_irq = {
.addr = 0x12,
.mask_int1 = 0x04,
- .mask_int2 = 0x08,
+ .mask_int2 = 0x00,
.addr_ihl = 0x12,
.mask_ihl = 0x80,
.addr_od = 0x12,
.mask_od = 0x40,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
- .multi_read_bit = true,
+ .multi_read_bit = false,
.bootime = 2,
},
};
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
index 17417a4d5a5f..7f15e927fa2b 100644
--- a/drivers/iio/pressure/st_pressure_i2c.c
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -77,7 +77,8 @@ static int st_press_i2c_probe(struct i2c_client *client,
press_data = iio_priv(indio_dev);
if (client->dev.of_node) {
- st_sensors_of_i2c_probe(client, st_press_of_match);
+ st_sensors_of_name_probe(&client->dev, st_press_of_match,
+ client->name, sizeof(client->name));
} else if (ACPI_HANDLE(&client->dev)) {
ret = st_sensors_match_acpi_device(&client->dev);
if ((ret < 0) || (ret >= ST_PRESS_MAX))
diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
index 550508025af1..f5ebd36bb4bf 100644
--- a/drivers/iio/pressure/st_pressure_spi.c
+++ b/drivers/iio/pressure/st_pressure_spi.c
@@ -18,6 +18,36 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_pressure.h"
+#ifdef CONFIG_OF
+/*
+ * For new single-chip sensors use <device_name> as compatible string.
+ * For old single-chip devices keep <device_name>-press to maintain
+ * compatibility
+ */
+static const struct of_device_id st_press_of_match[] = {
+ {
+ .compatible = "st,lps001wp-press",
+ .data = LPS001WP_PRESS_DEV_NAME,
+ },
+ {
+ .compatible = "st,lps25h-press",
+ .data = LPS25H_PRESS_DEV_NAME,
+ },
+ {
+ .compatible = "st,lps331ap-press",
+ .data = LPS331AP_PRESS_DEV_NAME,
+ },
+ {
+ .compatible = "st,lps22hb-press",
+ .data = LPS22HB_PRESS_DEV_NAME,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, st_press_of_match);
+#else
+#define st_press_of_match NULL
+#endif
+
static int st_press_spi_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
@@ -30,6 +60,8 @@ static int st_press_spi_probe(struct spi_device *spi)
press_data = iio_priv(indio_dev);
+ st_sensors_of_name_probe(&spi->dev, st_press_of_match,
+ spi->modalias, sizeof(spi->modalias));
st_sensors_spi_configure(indio_dev, spi, press_data);
err = st_press_common_probe(indio_dev);
@@ -58,6 +90,7 @@ MODULE_DEVICE_TABLE(spi, st_press_id_table);
static struct spi_driver st_press_driver = {
.driver = {
.name = "st-press-spi",
+ .of_match_table = of_match_ptr(st_press_of_match),
},
.probe = st_press_spi_probe,
.remove = st_press_spi_remove,
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index c92a95f9f52c..ebfb1de7377f 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -141,14 +141,14 @@ struct zpa2326_private {
struct regulator *vdd;
};
-#define zpa2326_err(_idev, _format, _arg...) \
- dev_err(_idev->dev.parent, _format, ##_arg)
+#define zpa2326_err(idev, fmt, ...) \
+ dev_err(idev->dev.parent, fmt "\n", ##__VA_ARGS__)
-#define zpa2326_warn(_idev, _format, _arg...) \
- dev_warn(_idev->dev.parent, _format, ##_arg)
+#define zpa2326_warn(idev, fmt, ...) \
+ dev_warn(idev->dev.parent, fmt "\n", ##__VA_ARGS__)
-#define zpa2326_dbg(_idev, _format, _arg...) \
- dev_dbg(_idev->dev.parent, _format, ##_arg)
+#define zpa2326_dbg(idev, fmt, ...) \
+ dev_dbg(idev->dev.parent, fmt "\n", ##__VA_ARGS__)
bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg)
{
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