diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
index 96340a05754ce6071c3671fee48d27a64eaa8b38..8265d709094dcb531e84258e588ac206c53299f1 100644
--- a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
@@ -139,7 +139,7 @@ allOf:
Voltage output range of the channel as <minimum, maximum>
Required connections:
Rfb1x for: 0 to 2.5 V; 0 to 3V; 0 to 5 V;
- Rfb2x for: 0 to 10 V; 2.5 to 7.5V; -5 to 5 V;
+ Rfb2x for: 0 to 10 V; -2.5 to 7.5V; -5 to 5 V;
oneOf:
- items:
- const: 0
diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
index a7826bba0852afc2fa560fa7029922259f1bf8a3..b26d4575e2569d3238658ae611d3e6c01df3644c 100644
--- a/drivers/iio/adc/ad7173.c
+++ b/drivers/iio/adc/ad7173.c
@@ -145,6 +145,7 @@ struct ad7173_device_info {
unsigned int id;
char *name;
bool has_temp;
+ bool has_input_buf;
bool has_int_ref;
bool has_ref2;
u8 num_gpios;
@@ -212,18 +213,21 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 2 * HZ_PER_MHZ,
.sinc5_data_rates = ad7173_sinc5_data_rates,
.num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
},
[ID_AD7172_4] = {
+ .name = "ad7172-4",
.id = AD7172_4_ID,
.num_inputs = 9,
.num_channels = 8,
.num_configs = 8,
.num_gpios = 4,
.has_temp = false,
+ .has_input_buf = true,
.has_ref2 = true,
.clock = 2 * HZ_PER_MHZ,
.sinc5_data_rates = ad7173_sinc5_data_rates,
@@ -237,6 +241,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 8,
.num_gpios = 4,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.has_ref2 = true,
.clock = 2 * HZ_PER_MHZ,
@@ -251,18 +256,21 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 16 * HZ_PER_MHZ,
.sinc5_data_rates = ad7175_sinc5_data_rates,
.num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
},
[ID_AD7175_8] = {
+ .name = "ad7175-8",
.id = AD7175_8_ID,
.num_inputs = 17,
.num_channels = 16,
.num_configs = 8,
.num_gpios = 4,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.has_ref2 = true,
.clock = 16 * HZ_PER_MHZ,
@@ -277,18 +285,21 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = false,
+ .has_input_buf = false,
.has_int_ref = true,
.clock = 16 * HZ_PER_MHZ,
.sinc5_data_rates = ad7175_sinc5_data_rates,
.num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
},
[ID_AD7177_2] = {
+ .name = "ad7177-2",
.id = AD7177_ID,
.num_inputs = 5,
.num_channels = 4,
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 16 * HZ_PER_MHZ,
.odr_start_value = AD7177_ODR_START_VALUE,
@@ -532,6 +543,7 @@ static int ad7173_append_status(struct ad_sigma_delta *sd, bool append)
unsigned int interface_mode = st->interface_mode;
int ret;
+ interface_mode &= ~AD7173_INTERFACE_DATA_STAT;
interface_mode |= AD7173_INTERFACE_DATA_STAT_EN(append);
ret = ad_sd_write_reg(&st->sd, AD7173_REG_INTERFACE_MODE, 2, interface_mode);
if (ret)
@@ -705,7 +717,7 @@ static int ad7173_write_raw(struct iio_dev *indio_dev,
{
struct ad7173_state *st = iio_priv(indio_dev);
struct ad7173_channel_config *cfg;
- unsigned int freq, i, reg;
+ unsigned int freq, i;
int ret;
ret = iio_device_claim_direct_mode(indio_dev);
@@ -721,16 +733,7 @@ static int ad7173_write_raw(struct iio_dev *indio_dev,
cfg = &st->channels[chan->address].cfg;
cfg->odr = i;
-
- if (!cfg->live)
- break;
-
- ret = ad_sd_read_reg(&st->sd, AD7173_REG_FILTER(cfg->cfg_slot), 2, ®);
- if (ret)
- break;
- reg &= ~AD7173_FILTER_ODR0_MASK;
- reg |= FIELD_PREP(AD7173_FILTER_ODR0_MASK, i);
- ret = ad_sd_write_reg(&st->sd, AD7173_REG_FILTER(cfg->cfg_slot), 2, reg);
+ cfg->live = false;
break;
default:
@@ -792,8 +795,7 @@ static const struct iio_chan_spec ad7173_channel_template = {
.type = IIO_VOLTAGE,
.indexed = 1,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
- BIT(IIO_CHAN_INFO_SCALE),
- .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_SAMP_FREQ),
.scan_type = {
.sign = 'u',
.realbits = 24,
@@ -804,12 +806,11 @@ static const struct iio_chan_spec ad7173_channel_template = {
static const struct iio_chan_spec ad7173_temp_iio_channel_template = {
.type = IIO_TEMP,
- .indexed = 1,
.channel = AD7173_AIN_TEMP_POS,
.channel2 = AD7173_AIN_TEMP_NEG,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
- BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET),
- .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ),
.scan_type = {
.sign = 'u',
.realbits = 24,
@@ -932,7 +933,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev)
AD7173_CH_ADDRESS(chan_arr[chan_index].channel,
chan_arr[chan_index].channel2);
chan_st_priv->cfg.bipolar = false;
- chan_st_priv->cfg.input_buf = true;
+ chan_st_priv->cfg.input_buf = st->info->has_input_buf;
chan_st_priv->cfg.ref_sel = AD7173_SETUP_REF_SEL_INT_REF;
st->adc_mode |= AD7173_ADC_MODE_REF_EN;
@@ -989,7 +990,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev)
chan_st_priv->ain = AD7173_CH_ADDRESS(ain[0], ain[1]);
chan_st_priv->chan_reg = chan_index;
- chan_st_priv->cfg.input_buf = true;
+ chan_st_priv->cfg.input_buf = st->info->has_input_buf;
chan_st_priv->cfg.odr = 0;
chan_st_priv->cfg.bipolar = fwnode_property_read_bool(child, "bipolar");
diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index e85b763b9ffcb1f022bbabdd916398566a157a84..8f5b9c3f6e3d6a5718bbdbfcd775a8228b842670 100644
--- a/drivers/iio/adc/ad9467.c
+++ b/drivers/iio/adc/ad9467.c
@@ -243,11 +243,11 @@ static void __ad9467_get_scale(struct ad9467_state *st, int index,
}
static const struct iio_chan_spec ad9434_channels[] = {
- AD9467_CHAN(0, 0, 12, 'S'),
+ AD9467_CHAN(0, 0, 12, 's'),
};
static const struct iio_chan_spec ad9467_channels[] = {
- AD9467_CHAN(0, 0, 16, 'S'),
+ AD9467_CHAN(0, 0, 16, 's'),
};
static const struct ad9467_chip_info ad9467_chip_tbl = {
diff --git a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
index fa205f17bd905f3f29d938f43bbf9929f7109c69..f44458c380d92823ce2e7e5f78ca877ea4c06118 100644
--- a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
+++ b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
@@ -60,11 +60,15 @@ EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_init, IIO_INV_SENSORS_TIMESTAMP);
int inv_sensors_timestamp_update_odr(struct inv_sensors_timestamp *ts,
uint32_t period, bool fifo)
{
+ uint32_t mult;
+
/* when FIFO is on, prevent odr change if one is already pending */
if (fifo && ts->new_mult != 0)
return -EAGAIN;
- ts->new_mult = period / ts->chip.clock_period;
+ mult = period / ts->chip.clock_period;
+ if (mult != ts->mult)
+ ts->new_mult = mult;
return 0;
}
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 076bc9ecfb4994077754357c4da7d6e077534a00..4763402dbcd66d04391111e8c96fc774dd3a16d5 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -415,7 +415,7 @@ static int ad5592r_read_raw(struct iio_dev *iio_dev,
s64 tmp = *val * (3767897513LL / 25LL);
*val = div_s64_rem(tmp, 1000000000LL, val2);
- return IIO_VAL_INT_PLUS_MICRO;
+ return IIO_VAL_INT_PLUS_NANO;
}
mutex_lock(&st->lock);
diff --git a/drivers/iio/imu/bmi323/bmi323_core.c b/drivers/iio/imu/bmi323/bmi323_core.c
index 5d42ab9b176a389be85102b6dc94a271ffcf1ec5..67d74a1a1b26df83987cf527fcefc4e95c0c7a1c 100644
--- a/drivers/iio/imu/bmi323/bmi323_core.c
+++ b/drivers/iio/imu/bmi323/bmi323_core.c
@@ -1391,7 +1391,7 @@ static irqreturn_t bmi323_trigger_handler(int irq, void *p)
&data->buffer.channels,
ARRAY_SIZE(data->buffer.channels));
if (ret)
- return IRQ_NONE;
+ goto out;
} else {
for_each_set_bit(bit, indio_dev->active_scan_mask,
BMI323_CHAN_MAX) {
@@ -1400,13 +1400,14 @@ static irqreturn_t bmi323_trigger_handler(int irq, void *p)
&data->buffer.channels[index++],
BMI323_BYTES_PER_SAMPLE);
if (ret)
- return IRQ_NONE;
+ goto out;
}
}
iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,
iio_get_time_ns(indio_dev));
+out:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
index 83d8504ebfff43d8a11fc4d0636754e635361cbd..4b25666936146a7653c46fe0fc3af494ad0bb4c5 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
@@ -130,10 +130,6 @@ static int inv_icm42600_accel_update_scan_mode(struct iio_dev *indio_dev,
/* update data FIFO write */
inv_sensors_timestamp_apply_odr(ts, 0, 0, 0);
ret = inv_icm42600_buffer_set_fifo_en(st, fifo_en | st->fifo.en);
- if (ret)
- goto out_unlock;
-
- ret = inv_icm42600_buffer_update_watermark(st);
out_unlock:
mutex_unlock(&st->lock);
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
index 63b85ec88c131f7558bb143fb04f13428cd57081..a8cf74c84c3c4560e80e2b87f68d55fe1860ba01 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
@@ -222,10 +222,15 @@ int inv_icm42600_buffer_update_watermark(struct inv_icm42600_state *st)
latency_accel = period_accel * wm_accel;
/* 0 value for watermark means that the sensor is turned off */
+ if (wm_gyro == 0 && wm_accel == 0)
+ return 0;
+
if (latency_gyro == 0) {
watermark = wm_accel;
+ st->fifo.watermark.eff_accel = wm_accel;
} else if (latency_accel == 0) {
watermark = wm_gyro;
+ st->fifo.watermark.eff_gyro = wm_gyro;
} else {
/* compute the smallest latency that is a multiple of both */
if (latency_gyro <= latency_accel)
@@ -241,6 +246,13 @@ int inv_icm42600_buffer_update_watermark(struct inv_icm42600_state *st)
watermark = latency / period;
if (watermark < 1)
watermark = 1;
+ /* update effective watermark */
+ st->fifo.watermark.eff_gyro = latency / period_gyro;
+ if (st->fifo.watermark.eff_gyro < 1)
+ st->fifo.watermark.eff_gyro = 1;
+ st->fifo.watermark.eff_accel = latency / period_accel;
+ if (st->fifo.watermark.eff_accel < 1)
+ st->fifo.watermark.eff_accel = 1;
}
/* compute watermark value in bytes */
@@ -514,7 +526,7 @@ int inv_icm42600_buffer_fifo_parse(struct inv_icm42600_state *st)
/* handle gyroscope timestamp and FIFO data parsing */
if (st->fifo.nb.gyro > 0) {
ts = &gyro_st->ts;
- inv_sensors_timestamp_interrupt(ts, st->fifo.nb.gyro,
+ inv_sensors_timestamp_interrupt(ts, st->fifo.watermark.eff_gyro,
st->timestamp.gyro);
ret = inv_icm42600_gyro_parse_fifo(st->indio_gyro);
if (ret)
@@ -524,7 +536,7 @@ int inv_icm42600_buffer_fifo_parse(struct inv_icm42600_state *st)
/* handle accelerometer timestamp and FIFO data parsing */
if (st->fifo.nb.accel > 0) {
ts = &accel_st->ts;
- inv_sensors_timestamp_interrupt(ts, st->fifo.nb.accel,
+ inv_sensors_timestamp_interrupt(ts, st->fifo.watermark.eff_accel,
st->timestamp.accel);
ret = inv_icm42600_accel_parse_fifo(st->indio_accel);
if (ret)
@@ -577,6 +589,9 @@ int inv_icm42600_buffer_init(struct inv_icm42600_state *st)
unsigned int val;
int ret;
+ st->fifo.watermark.eff_gyro = 1;
+ st->fifo.watermark.eff_accel = 1;
+
/*
* Default FIFO configuration (bits 7 to 5)
* - use invalid value
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h
index 8b85ee333bf8f6ba7bec27757b784ee792a35214..f6c85daf42b00bfb7b1ccabd59195819088e3dc7 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h
@@ -32,6 +32,8 @@ struct inv_icm42600_fifo {
struct {
unsigned int gyro;
unsigned int accel;
+ unsigned int eff_gyro;
+ unsigned int eff_accel;
} watermark;
size_t count;
struct {
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
index 96116a68ab291bc541f8b84c5853662cc9a3cf50..62fdae530334af744039f865200fb635f3be36a9 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
@@ -537,6 +537,7 @@ static int inv_icm42600_irq_init(struct inv_icm42600_state *st, int irq,
if (ret)
return ret;
+ irq_type |= IRQF_ONESHOT;
return devm_request_threaded_irq(dev, irq, inv_icm42600_irq_timestamp,
inv_icm42600_irq_handler, irq_type,
"inv_icm42600", st);
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
index e6f8de80128c4f8afeef4e1e2205dcfa880caa6b..938af5b640b00f58d2b8185f752c4755edfb0d25 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
@@ -130,10 +130,6 @@ static int inv_icm42600_gyro_update_scan_mode(struct iio_dev *indio_dev,
/* update data FIFO write */
inv_sensors_timestamp_apply_odr(ts, 0, 0, 0);
ret = inv_icm42600_buffer_set_fifo_en(st, fifo_en | st->fifo.en);
- if (ret)
- goto out_unlock;
-
- ret = inv_icm42600_buffer_update_watermark(st);
out_unlock:
mutex_unlock(&st->lock);
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
index 0dc0f22a5582799441bb8ed3ccd2baad93322dee..3d3b27f28c9d1c94aba93678261ce0d63099e1dc 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
@@ -100,8 +100,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
goto end_session;
/* Each FIFO data contains all sensors, so same number for FIFO and sensor data */
fifo_period = NSEC_PER_SEC / INV_MPU6050_DIVIDER_TO_FIFO_RATE(st->chip_config.divider);
- inv_sensors_timestamp_interrupt(&st->timestamp, nb, pf->timestamp);
- inv_sensors_timestamp_apply_odr(&st->timestamp, fifo_period, nb, 0);
+ inv_sensors_timestamp_interrupt(&st->timestamp, 1, pf->timestamp);
+ inv_sensors_timestamp_apply_odr(&st->timestamp, fifo_period, 1, 0);
/* clear internal data buffer for avoiding kernel data leak */
memset(data, 0, sizeof(data));
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c
index 1b603567ccc80452c92d5bde41472ce54d252c78..84273660ca2eb9b4a3943a8bae719065909972a4 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c
@@ -300,6 +300,7 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev, int irq_type)
if (!st->trig)
return -ENOMEM;
+ irq_type |= IRQF_ONESHOT;
ret = devm_request_threaded_irq(&indio_dev->dev, st->irq,
&inv_mpu6050_interrupt_timestamp,
&inv_mpu6050_interrupt_handle,
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 52d7732618282e4b3f13cc9c4f71a9c514193f11..485e6fc44a04c6a9aec73b67e7e52261796d0053 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -721,7 +721,7 @@ int iio_read_channel_processed_scale(struct iio_channel *chan, int *val,
return ret;
*val *= scale;
- return 0;
+ return ret;
} else {
ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_RAW);
if (ret < 0)
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 09f53d987c7df5b9b551f4568a418efaf0c4c5b5..221fa2c552ae2cdc7eee3f69e802ee59748bff36 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -1394,12 +1394,12 @@ static int bmp580_read_temp(struct bmp280_data *data, int *val, int *val2)
/*
* Temperature is returned in Celsius degrees in fractional
- * form down 2^16. We rescale by x1000 to return milli Celsius
- * to respect IIO ABI.
+ * form down 2^16. We rescale by x1000 to return millidegrees
+ * Celsius to respect IIO ABI.
*/
- *val = raw_temp * 1000;
- *val2 = 16;
- return IIO_VAL_FRACTIONAL_LOG2;
+ raw_temp = sign_extend32(raw_temp, 23);
+ *val = ((s64)raw_temp * 1000) / (1 << 16);
+ return IIO_VAL_INT;
}
static int bmp580_read_press(struct bmp280_data *data, int *val, int *val2)
diff --git a/drivers/iio/temperature/mlx90635.c b/drivers/iio/temperature/mlx90635.c
index 1f5c962c1818ff19d229109257d5f7e0a493b54c..f7f88498ba0e8d199888ab2992d75001235cfbb4 100644
--- a/drivers/iio/temperature/mlx90635.c
+++ b/drivers/iio/temperature/mlx90635.c
@@ -947,9 +947,9 @@ static int mlx90635_probe(struct i2c_client *client)
"failed to allocate regmap\n");
regmap_ee = devm_regmap_init_i2c(client, &mlx90635_regmap_ee);
- if (IS_ERR(regmap))
- return dev_err_probe(&client->dev, PTR_ERR(regmap),
- "failed to allocate regmap\n");
+ if (IS_ERR(regmap_ee))
+ return dev_err_probe(&client->dev, PTR_ERR(regmap_ee),
+ "failed to allocate EEPROM regmap\n");
mlx90635 = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);