diff options
Diffstat (limited to 'drivers/iio/temperature/hid-sensor-temperature.c')
| -rw-r--r-- | drivers/iio/temperature/hid-sensor-temperature.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/iio/temperature/hid-sensor-temperature.c b/drivers/iio/temperature/hid-sensor-temperature.c index eda55b9c1e9b..d40f235af1d4 100644 --- a/drivers/iio/temperature/hid-sensor-temperature.c +++ b/drivers/iio/temperature/hid-sensor-temperature.c @@ -7,9 +7,8 @@ #include <linux/hid-sensor-hub.h> #include <linux/iio/buffer.h> #include <linux/iio/iio.h> -#include <linux/iio/triggered_buffer.h> -#include <linux/iio/trigger_consumer.h> #include <linux/module.h> +#include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include "../common/hid-sensors/hid-sensor-trigger.h" @@ -17,13 +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; + u64 timestamp __aligned(8); + } 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[] = { { @@ -34,7 +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 */ @@ -125,9 +131,8 @@ 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_timestamp(indio_dev, &temp_st->scan, + iio_get_time_ns(indio_dev)); return 0; } @@ -142,7 +147,7 @@ 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; @@ -173,14 +178,6 @@ 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; } @@ -209,7 +206,9 @@ 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; @@ -225,17 +224,12 @@ 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; - ret = devm_iio_triggered_buffer_setup(&pdev->dev, indio_dev, - &iio_pollfunc_store_time, NULL, NULL); - if (ret) - return ret; - atomic_set(&temp_st->common_attributes.data_ready, 0); + ret = hid_sensor_setup_trigger(indio_dev, name, &temp_st->common_attributes); if (ret) @@ -258,7 +252,7 @@ static int hid_temperature_probe(struct platform_device *pdev) error_remove_callback: sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TEMPERATURE); error_remove_trigger: - hid_sensor_remove_trigger(&temp_st->common_attributes); + hid_sensor_remove_trigger(indio_dev, &temp_st->common_attributes); return ret; } @@ -270,7 +264,7 @@ static int hid_temperature_remove(struct platform_device *pdev) struct temperature_state *temp_st = iio_priv(indio_dev); sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TEMPERATURE); - hid_sensor_remove_trigger(&temp_st->common_attributes); + hid_sensor_remove_trigger(indio_dev, &temp_st->common_attributes); return 0; } @@ -298,3 +292,4 @@ 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); |