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path: root/drivers/iio/temperature/hid-sensor-temperature.c
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Diffstat (limited to 'drivers/iio/temperature/hid-sensor-temperature.c')
-rw-r--r--drivers/iio/temperature/hid-sensor-temperature.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/iio/temperature/hid-sensor-temperature.c b/drivers/iio/temperature/hid-sensor-temperature.c
index 8d1f434f109d..9f628a8e5cfb 100644
--- a/drivers/iio/temperature/hid-sensor-temperature.c
+++ b/drivers/iio/temperature/hid-sensor-temperature.c
@@ -8,6 +8,7 @@
#include <linux/iio/buffer.h>
#include <linux/iio/iio.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "../common/hid-sensors/hid-sensor-trigger.h"
@@ -15,13 +16,20 @@
struct temperature_state {
struct hid_sensor_common common_attributes;
struct hid_sensor_hub_attribute_info temperature_attr;
- s32 temperature_data;
+ struct {
+ s32 temperature_data;
+ aligned_s64 timestamp;
+ } scan;
int scale_pre_decml;
int scale_post_decml;
int scale_precision;
int value_offset;
};
+static const u32 temperature_sensitivity_addresses[] = {
+ HID_USAGE_SENSOR_DATA_ENVIRONMENTAL_TEMPERATURE,
+};
+
/* Channel definitions */
static const struct iio_chan_spec temperature_channels[] = {
{
@@ -32,7 +40,7 @@ static const struct iio_chan_spec temperature_channels[] = {
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
BIT(IIO_CHAN_INFO_HYSTERESIS),
},
- IIO_CHAN_SOFT_TIMESTAMP(3),
+ IIO_CHAN_SOFT_TIMESTAMP(1),
};
/* Adjust channel real bits based on report descriptor */
@@ -123,9 +131,9 @@ static int temperature_proc_event(struct hid_sensor_hub_device *hsdev,
struct temperature_state *temp_st = iio_priv(indio_dev);
if (atomic_read(&temp_st->common_attributes.data_ready))
- iio_push_to_buffers_with_timestamp(indio_dev,
- &temp_st->temperature_data,
- iio_get_time_ns(indio_dev));
+ iio_push_to_buffers_with_ts(indio_dev, &temp_st->scan,
+ sizeof(temp_st->scan),
+ iio_get_time_ns(indio_dev));
return 0;
}
@@ -140,7 +148,7 @@ static int temperature_capture_sample(struct hid_sensor_hub_device *hsdev,
switch (usage_id) {
case HID_USAGE_SENSOR_DATA_ENVIRONMENTAL_TEMPERATURE:
- temp_st->temperature_data = *(s32 *)raw_data;
+ temp_st->scan.temperature_data = *(s32 *)raw_data;
return 0;
default:
return -EINVAL;
@@ -171,14 +179,6 @@ static int temperature_parse_report(struct platform_device *pdev,
&st->temperature_attr,
&st->scale_pre_decml, &st->scale_post_decml);
- /* Set Sensitivity field ids, when there is no individual modifier */
- if (st->common_attributes.sensitivity.index < 0)
- sensor_hub_input_get_attribute_info(hsdev,
- HID_FEATURE_REPORT, usage_id,
- HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
- HID_USAGE_SENSOR_DATA_ENVIRONMENTAL_TEMPERATURE,
- &st->common_attributes.sensitivity);
-
return ret;
}
@@ -207,7 +207,9 @@ static int hid_temperature_probe(struct platform_device *pdev)
ret = hid_sensor_parse_common_attributes(hsdev,
HID_USAGE_SENSOR_TEMPERATURE,
- &temp_st->common_attributes);
+ &temp_st->common_attributes,
+ temperature_sensitivity_addresses,
+ ARRAY_SIZE(temperature_sensitivity_addresses));
if (ret)
return ret;
@@ -223,7 +225,6 @@ static int hid_temperature_probe(struct platform_device *pdev)
indio_dev->channels = temp_chans;
indio_dev->num_channels = ARRAY_SIZE(temperature_channels);
- indio_dev->dev.parent = &pdev->dev;
indio_dev->info = &temperature_info;
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -257,7 +258,7 @@ error_remove_trigger:
}
/* Function to deinitialize the processing for usage id */
-static int hid_temperature_remove(struct platform_device *pdev)
+static void hid_temperature_remove(struct platform_device *pdev)
{
struct hid_sensor_hub_device *hsdev = dev_get_platdata(&pdev->dev);
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
@@ -265,8 +266,6 @@ static int hid_temperature_remove(struct platform_device *pdev)
sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TEMPERATURE);
hid_sensor_remove_trigger(indio_dev, &temp_st->common_attributes);
-
- return 0;
}
static const struct platform_device_id hid_temperature_ids[] = {
@@ -274,7 +273,7 @@ static const struct platform_device_id hid_temperature_ids[] = {
/* Format: HID-SENSOR-usage_id_in_hex_lowercase */
.name = "HID-SENSOR-200033",
},
- { /* sentinel */ }
+ { }
};
MODULE_DEVICE_TABLE(platform, hid_temperature_ids);
@@ -292,3 +291,4 @@ module_platform_driver(hid_temperature_platform_driver);
MODULE_DESCRIPTION("HID Environmental temperature sensor");
MODULE_AUTHOR("Song Hongyan <hongyan.song@intel.com>");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("IIO_HID");