From 0e41fd515f94dcfcc24b6e510d29528431e46f60 Mon Sep 17 00:00:00 2001 From: Ye Xiang Date: Mon, 1 Feb 2021 13:49:20 +0800 Subject: iio: hid-sensors: Move get sensitivity attribute to hid-sensor-common No functional change has been made with this patch. The main intent here is to reduce code repetition of getting sensitivity attribute. In the current implementation, sensor_hub_input_get_attribute_info() is called from multiple drivers to get attribute info for sensitivity field. Moving this to common place will avoid code repetition. Signed-off-by: Ye Xiang Acked-by: Alexandre Belloni Link: https://lore.kernel.org/r/20210201054921.18214-2-xiang.ye@intel.com Signed-off-by: Jonathan Cameron --- drivers/iio/temperature/hid-sensor-temperature.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'drivers/iio/temperature') diff --git a/drivers/iio/temperature/hid-sensor-temperature.c b/drivers/iio/temperature/hid-sensor-temperature.c index 81688f1b932f..e3d38cbcf354 100644 --- a/drivers/iio/temperature/hid-sensor-temperature.c +++ b/drivers/iio/temperature/hid-sensor-temperature.c @@ -22,6 +22,10 @@ struct temperature_state { 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[] = { { @@ -171,14 +175,6 @@ 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 +203,9 @@ 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; -- cgit v1.2.3 From 70da64153123460a10f3cb53fa9edca3a0ec2727 Mon Sep 17 00:00:00 2001 From: Alexandru Ardelean Date: Wed, 10 Mar 2021 11:38:00 +0200 Subject: iio: temperature: tmp007: use device-managed functions in probe This change converts the driver to use device-managed functions in the probe function. The power-down call is handled now via a devm_add_action_or_reset() hook, and then devm_iio_device_register() can be used to register the IIO device. The final aim here would be for IIO to export only the device-managed functions of it's API. That's a long way to go and this a small step in that direction. Signed-off-by: Alexandru Ardelean Link: https://lore.kernel.org/r/20210310093800.45822-1-aardelean@deviqon.com Signed-off-by: Jonathan Cameron --- drivers/iio/temperature/tmp007.c | 36 +++++++++++++++--------------------- 1 file changed, 15 insertions(+), 21 deletions(-) (limited to 'drivers/iio/temperature') diff --git a/drivers/iio/temperature/tmp007.c b/drivers/iio/temperature/tmp007.c index ad2b35c65548..b422371a4674 100644 --- a/drivers/iio/temperature/tmp007.c +++ b/drivers/iio/temperature/tmp007.c @@ -439,6 +439,13 @@ static bool tmp007_identify(struct i2c_client *client) return (manf_id == TMP007_MANUFACTURER_MAGIC && dev_id == TMP007_DEVICE_MAGIC); } +static void tmp007_powerdown_action_cb(void *priv) +{ + struct tmp007_data *data = priv; + + tmp007_powerdown(data); +} + static int tmp007_probe(struct i2c_client *client, const struct i2c_device_id *tmp007_id) { @@ -489,6 +496,10 @@ static int tmp007_probe(struct i2c_client *client, if (ret < 0) return ret; + ret = devm_add_action_or_reset(&client->dev, tmp007_powerdown_action_cb, data); + if (ret) + return ret; + /* * Only the following flags can activate ALERT pin. Data conversion/validity flags * flags can still be polled for getting temperature data @@ -502,7 +513,7 @@ static int tmp007_probe(struct i2c_client *client, ret = i2c_smbus_read_word_swapped(data->client, TMP007_STATUS_MASK); if (ret < 0) - goto error_powerdown; + return ret; data->status_mask = ret; data->status_mask |= (TMP007_STATUS_OHF | TMP007_STATUS_OLF @@ -510,7 +521,7 @@ static int tmp007_probe(struct i2c_client *client, ret = i2c_smbus_write_word_swapped(data->client, TMP007_STATUS_MASK, data->status_mask); if (ret < 0) - goto error_powerdown; + return ret; if (client->irq) { ret = devm_request_threaded_irq(&client->dev, client->irq, @@ -519,27 +530,11 @@ static int tmp007_probe(struct i2c_client *client, tmp007_id->name, indio_dev); if (ret) { dev_err(&client->dev, "irq request error %d\n", -ret); - goto error_powerdown; + return ret; } } - return iio_device_register(indio_dev); - -error_powerdown: - tmp007_powerdown(data); - - return ret; -} - -static int tmp007_remove(struct i2c_client *client) -{ - struct iio_dev *indio_dev = i2c_get_clientdata(client); - struct tmp007_data *data = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - tmp007_powerdown(data); - - return 0; + return devm_iio_device_register(&client->dev, indio_dev); } #ifdef CONFIG_PM_SLEEP @@ -582,7 +577,6 @@ static struct i2c_driver tmp007_driver = { .pm = &tmp007_pm_ops, }, .probe = tmp007_probe, - .remove = tmp007_remove, .id_table = tmp007_id, }; module_i2c_driver(tmp007_driver); -- cgit v1.2.3