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path: root/drivers/iio/proximity/mb1232.c
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Diffstat (limited to 'drivers/iio/proximity/mb1232.c')
-rw-r--r--drivers/iio/proximity/mb1232.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c
index e70cac8240af..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;
- s64 ts __aligned(8);
- } scan;
};
static irqreturn_t mb1232_handle_irq(int irq, void *dev_id)
@@ -76,7 +71,7 @@ static s16 mb1232_read_distance(struct mb1232_data *data)
goto error_unlock;
}
- if (data->irqnr >= 0) {
+ if (data->irqnr > 0) {
/* it cannot take more than 100 ms */
ret = wait_for_completion_killable_timeout(&data->ranging,
HZ/10);
@@ -120,13 +115,17 @@ 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_timestamp(indio_dev, &data->scan,
- pf->timestamp);
+ iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan),
+ pf->timestamp);
err:
iio_trigger_notify_done(indio_dev->trig);
@@ -212,10 +211,7 @@ static int mb1232_probe(struct i2c_client *client)
init_completion(&data->ranging);
data->irqnr = fwnode_irq_get(dev_fwnode(&client->dev), 0);
- if (data->irqnr <= 0) {
- /* usage of interrupt is optional */
- data->irqnr = -1;
- } else {
+ if (data->irqnr > 0) {
ret = devm_request_irq(dev, data->irqnr, mb1232_handle_irq,
IRQF_TRIGGER_FALLING, id->name, indio_dev);
if (ret < 0) {
@@ -242,7 +238,7 @@ static const struct of_device_id of_mb1232_match[] = {
{ .compatible = "maxbotix,mb1242", },
{ .compatible = "maxbotix,mb7040", },
{ .compatible = "maxbotix,mb7137", },
- {},
+ { }
};
MODULE_DEVICE_TABLE(of, of_mb1232_match);
@@ -264,7 +260,7 @@ static struct i2c_driver mb1232_driver = {
.name = "maxbotix-mb1232",
.of_match_table = of_mb1232_match,
},
- .probe_new = mb1232_probe,
+ .probe = mb1232_probe,
.id_table = mb1232_id,
};
module_i2c_driver(mb1232_driver);