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path: root/drivers/iio/proximity
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Diffstat (limited to 'drivers/iio/proximity')
-rw-r--r--drivers/iio/proximity/d3323aa.c3
-rw-r--r--drivers/iio/proximity/hx9023s.c3
-rw-r--r--drivers/iio/proximity/irsd200.c6
-rw-r--r--drivers/iio/proximity/mb1232.c15
-rw-r--r--drivers/iio/proximity/ping.c4
-rw-r--r--drivers/iio/proximity/pulsedlight-lidar-lite-v2.c16
-rw-r--r--drivers/iio/proximity/srf04.c8
-rw-r--r--drivers/iio/proximity/srf08.c18
-rw-r--r--drivers/iio/proximity/sx9500.c27
-rw-r--r--drivers/iio/proximity/vl53l0x-i2c.c27
10 files changed, 45 insertions, 82 deletions
diff --git a/drivers/iio/proximity/d3323aa.c b/drivers/iio/proximity/d3323aa.c
index d4c3dbea9bb0..30821f583454 100644
--- a/drivers/iio/proximity/d3323aa.c
+++ b/drivers/iio/proximity/d3323aa.c
@@ -722,8 +722,7 @@ static int d3323aa_probe(struct platform_device *pdev)
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
- return dev_err_probe(dev, -ENOMEM,
- "Could not allocate iio device\n");
+ return -ENOMEM;
data = iio_priv(indio_dev);
data->dev = dev;
diff --git a/drivers/iio/proximity/hx9023s.c b/drivers/iio/proximity/hx9023s.c
index 33781c314728..2918dfc0df54 100644
--- a/drivers/iio/proximity/hx9023s.c
+++ b/drivers/iio/proximity/hx9023s.c
@@ -1141,8 +1141,7 @@ static int hx9023s_probe(struct i2c_client *client)
indio_dev->name,
iio_device_id(indio_dev));
if (!data->trig)
- return dev_err_probe(dev, -ENOMEM,
- "iio trigger alloc failed\n");
+ return -ENOMEM;
data->trig->ops = &hx9023s_trigger_ops;
iio_trigger_set_drvdata(data->trig, indio_dev);
diff --git a/drivers/iio/proximity/irsd200.c b/drivers/iio/proximity/irsd200.c
index 253e4aef22fb..65af31d43453 100644
--- a/drivers/iio/proximity/irsd200.c
+++ b/drivers/iio/proximity/irsd200.c
@@ -862,8 +862,7 @@ static int irsd200_probe(struct i2c_client *client)
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
- return dev_err_probe(&client->dev, -ENOMEM,
- "Could not allocate iio device\n");
+ return -ENOMEM;
data = iio_priv(indio_dev);
data->dev = &client->dev;
@@ -916,8 +915,7 @@ static int irsd200_probe(struct i2c_client *client)
trigger = devm_iio_trigger_alloc(data->dev, "%s-dev%d", indio_dev->name,
iio_device_id(indio_dev));
if (!trigger)
- return dev_err_probe(data->dev, -ENOMEM,
- "Could not allocate iio trigger\n");
+ return -ENOMEM;
trigger->ops = &irsd200_trigger_ops;
iio_trigger_set_drvdata(trigger, data);
diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c
index 01783486bc7d..34b49c54e68b 100644
--- a/drivers/iio/proximity/mb1232.c
+++ b/drivers/iio/proximity/mb1232.c
@@ -42,11 +42,6 @@ struct mb1232_data {
*/
struct completion ranging;
int irqnr;
- /* Ensure correct alignment of data to push to IIO buffer */
- struct {
- s16 distance;
- aligned_s64 ts;
- } scan;
};
static irqreturn_t mb1232_handle_irq(int irq, void *dev_id)
@@ -120,12 +115,16 @@ static irqreturn_t mb1232_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct mb1232_data *data = iio_priv(indio_dev);
+ struct {
+ s16 distance;
+ aligned_s64 ts;
+ } scan = { };
- data->scan.distance = mb1232_read_distance(data);
- if (data->scan.distance < 0)
+ scan.distance = mb1232_read_distance(data);
+ if (scan.distance < 0)
goto err;
- iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan),
+ iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan),
pf->timestamp);
err:
diff --git a/drivers/iio/proximity/ping.c b/drivers/iio/proximity/ping.c
index c5b4e1378b7d..e3487094d7be 100644
--- a/drivers/iio/proximity/ping.c
+++ b/drivers/iio/proximity/ping.c
@@ -280,10 +280,8 @@ static int ping_probe(struct platform_device *pdev)
struct iio_dev *indio_dev;
indio_dev = devm_iio_device_alloc(dev, sizeof(struct ping_data));
- if (!indio_dev) {
- dev_err(dev, "failed to allocate IIO device\n");
+ if (!indio_dev)
return -ENOMEM;
- }
data = iio_priv(indio_dev);
data->dev = dev;
diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
index 1deaf70e92ce..21336b8f122a 100644
--- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
+++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
@@ -43,12 +43,6 @@ struct lidar_data {
int (*xfer)(struct lidar_data *data, u8 reg, u8 *val, int len);
int i2c_enabled;
-
- /* Ensure timestamp is naturally aligned */
- struct {
- u16 chan;
- aligned_s64 timestamp;
- } scan;
};
static const struct iio_chan_spec lidar_channels[] = {
@@ -191,7 +185,6 @@ static int lidar_get_measurement(struct lidar_data *data, u16 *reg)
}
ret = -EIO;
}
- pm_runtime_mark_last_busy(&client->dev);
pm_runtime_put_autosuspend(&client->dev);
return ret;
@@ -235,11 +228,14 @@ static irqreturn_t lidar_trigger_handler(int irq, void *private)
struct iio_dev *indio_dev = pf->indio_dev;
struct lidar_data *data = iio_priv(indio_dev);
int ret;
+ struct {
+ u16 chan;
+ aligned_s64 timestamp;
+ } scan = { };
- ret = lidar_get_measurement(data, &data->scan.chan);
+ ret = lidar_get_measurement(data, &scan.chan);
if (!ret) {
- iio_push_to_buffers_with_ts(indio_dev, &data->scan,
- sizeof(data->scan),
+ iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan),
iio_get_time_ns(indio_dev));
} else if (ret != -EINVAL) {
dev_err(&data->client->dev, "cannot read LIDAR measurement");
diff --git a/drivers/iio/proximity/srf04.c b/drivers/iio/proximity/srf04.c
index b059bac1078b..e97f9a20ac7a 100644
--- a/drivers/iio/proximity/srf04.c
+++ b/drivers/iio/proximity/srf04.c
@@ -117,10 +117,8 @@ static int srf04_read(struct srf04_data *data)
udelay(data->cfg->trigger_pulse_us);
gpiod_set_value(data->gpiod_trig, 0);
- if (data->gpiod_power) {
- pm_runtime_mark_last_busy(data->dev);
+ if (data->gpiod_power)
pm_runtime_put_autosuspend(data->dev);
- }
/* it should not take more than 20 ms until echo is rising */
ret = wait_for_completion_killable_timeout(&data->rising, HZ/50);
@@ -253,10 +251,8 @@ static int srf04_probe(struct platform_device *pdev)
int ret;
indio_dev = devm_iio_device_alloc(dev, sizeof(struct srf04_data));
- if (!indio_dev) {
- dev_err(dev, "failed to allocate IIO device\n");
+ if (!indio_dev)
return -ENOMEM;
- }
data = iio_priv(indio_dev);
data->dev = dev;
diff --git a/drivers/iio/proximity/srf08.c b/drivers/iio/proximity/srf08.c
index 6e32fdfd161b..d7e4cc48cfbf 100644
--- a/drivers/iio/proximity/srf08.c
+++ b/drivers/iio/proximity/srf08.c
@@ -63,12 +63,6 @@ struct srf08_data {
int range_mm;
struct mutex lock;
- /* Ensure timestamp is naturally aligned */
- struct {
- s16 chan;
- aligned_s64 timestamp;
- } scan;
-
/* Sensor-Type */
enum srf08_sensor_type sensor_type;
@@ -182,16 +176,18 @@ static irqreturn_t srf08_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct srf08_data *data = iio_priv(indio_dev);
- s16 sensor_data;
+ struct {
+ s16 chan;
+ aligned_s64 timestamp;
+ } scan = { };
- sensor_data = srf08_read_ranging(data);
- if (sensor_data < 0)
+ scan.chan = srf08_read_ranging(data);
+ if (scan.chan < 0)
goto err;
mutex_lock(&data->lock);
- data->scan.chan = sensor_data;
- iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan),
+ iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan),
pf->timestamp);
mutex_unlock(&data->lock);
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index 05844f17a15f..6c67bae7488c 100644
--- a/drivers/iio/proximity/sx9500.c
+++ b/drivers/iio/proximity/sx9500.c
@@ -88,7 +88,6 @@ struct sx9500_data {
bool prox_stat[SX9500_NUM_CHANNELS];
bool event_enabled[SX9500_NUM_CHANNELS];
bool trigger_enabled;
- u16 *buffer;
/* Remember enabled channels and sample rate during suspend. */
unsigned int suspend_ctrl0;
struct completion completion;
@@ -578,22 +577,6 @@ out_unlock:
return ret;
}
-static int sx9500_update_scan_mode(struct iio_dev *indio_dev,
- const unsigned long *scan_mask)
-{
- struct sx9500_data *data = iio_priv(indio_dev);
-
- mutex_lock(&data->mutex);
- kfree(data->buffer);
- data->buffer = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
- mutex_unlock(&data->mutex);
-
- if (data->buffer == NULL)
- return -ENOMEM;
-
- return 0;
-}
-
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(
"2.500000 3.333333 5 6.666666 8.333333 11.111111 16.666666 33.333333");
@@ -612,7 +595,6 @@ static const struct iio_info sx9500_info = {
.write_raw = &sx9500_write_raw,
.read_event_config = &sx9500_read_event_config,
.write_event_config = &sx9500_write_event_config,
- .update_scan_mode = &sx9500_update_scan_mode,
};
static int sx9500_set_trigger_state(struct iio_trigger *trig,
@@ -649,6 +631,10 @@ static irqreturn_t sx9500_trigger_handler(int irq, void *private)
struct iio_dev *indio_dev = pf->indio_dev;
struct sx9500_data *data = iio_priv(indio_dev);
int val, bit, ret, i = 0;
+ struct {
+ u16 chan[SX9500_NUM_CHANNELS];
+ aligned_s64 timestamp;
+ } scan = { };
mutex_lock(&data->mutex);
@@ -658,10 +644,10 @@ static irqreturn_t sx9500_trigger_handler(int irq, void *private)
if (ret < 0)
goto out;
- data->buffer[i++] = val;
+ scan.chan[i++] = val;
}
- iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
+ iio_push_to_buffers_with_timestamp(indio_dev, &scan,
iio_get_time_ns(indio_dev));
out:
@@ -984,7 +970,6 @@ static void sx9500_remove(struct i2c_client *client)
iio_triggered_buffer_cleanup(indio_dev);
if (client->irq > 0)
iio_trigger_unregister(data->trig);
- kfree(data->buffer);
}
static int sx9500_suspend(struct device *dev)
diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl53l0x-i2c.c
index ef4aa7b2835e..ad3e46d47fa8 100644
--- a/drivers/iio/proximity/vl53l0x-i2c.c
+++ b/drivers/iio/proximity/vl53l0x-i2c.c
@@ -57,11 +57,6 @@ struct vl53l0x_data {
struct regulator *vdd_supply;
struct gpio_desc *reset_gpio;
struct iio_trigger *trig;
-
- struct {
- u16 chan;
- aligned_s64 timestamp;
- } scan;
};
static int vl53l0x_clear_irq(struct vl53l0x_data *data)
@@ -84,6 +79,10 @@ static irqreturn_t vl53l0x_trigger_handler(int irq, void *priv)
struct vl53l0x_data *data = iio_priv(indio_dev);
u8 buffer[12];
int ret;
+ struct {
+ u16 chan;
+ aligned_s64 timestamp;
+ } scan = { };
ret = i2c_smbus_read_i2c_block_data(data->client,
VL_REG_RESULT_RANGE_STATUS,
@@ -93,8 +92,8 @@ static irqreturn_t vl53l0x_trigger_handler(int irq, void *priv)
else if (ret != 12)
return -EREMOTEIO;
- data->scan.chan = get_unaligned_be16(&buffer[10]);
- iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan),
+ scan.chan = get_unaligned_be16(&buffer[10]);
+ iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan),
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);
@@ -312,7 +311,6 @@ static int vl53l0x_probe(struct i2c_client *client)
{
struct vl53l0x_data *data;
struct iio_dev *indio_dev;
- int error;
int ret;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
@@ -345,15 +343,14 @@ static int vl53l0x_probe(struct i2c_client *client)
return dev_err_probe(&client->dev, PTR_ERR(data->reset_gpio),
"Cannot get reset GPIO\n");
- error = vl53l0x_power_on(data);
- if (error)
- return dev_err_probe(&client->dev, error,
+ ret = vl53l0x_power_on(data);
+ if (ret)
+ return dev_err_probe(&client->dev, ret,
"Failed to power on the chip\n");
- error = devm_add_action_or_reset(&client->dev, vl53l0x_power_off, data);
- if (error)
- return dev_err_probe(&client->dev, error,
- "Failed to install poweroff action\n");
+ ret = devm_add_action_or_reset(&client->dev, vl53l0x_power_off, data);
+ if (ret)
+ return ret;
indio_dev->name = "vl53l0x";
indio_dev->info = &vl53l0x_info;
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-06 11:46:58 +0000