iio: hid-sensors: Set default unit of measure for report interval
For PROP_REPORT_INTERVAL, the spec does not mandate the presence of the report interval unit in the feature report and expects the default unit of measure to be used as milliseconds. Currently, when the unit is not present, it gets set as zero leading to issues in sampling frequency. This patch sets the unit of measure to the default unit if it is not defined by firmware. Signed-off-by: Archana Patni <archana.patni@intel.com> Signed-off-by: Subramony Sesha <subramony.sesha@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -343,15 +343,28 @@ int hid_sensor_format_scale(u32 usage_id,
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}
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EXPORT_SYMBOL(hid_sensor_format_scale);
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int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev,
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u32 usage_id,
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struct hid_sensor_common *st)
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{
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sensor_hub_input_get_attribute_info(hsdev,
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HID_FEATURE_REPORT, usage_id,
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HID_USAGE_SENSOR_PROP_REPORT_INTERVAL,
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&st->poll);
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/* Default unit of measure is milliseconds */
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if (st->poll.units == 0)
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st->poll.units = HID_USAGE_SENSOR_UNITS_MILLISECOND;
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return 0;
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}
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int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
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u32 usage_id,
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struct hid_sensor_common *st)
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{
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sensor_hub_input_get_attribute_info(hsdev,
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HID_FEATURE_REPORT, usage_id,
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HID_USAGE_SENSOR_PROP_REPORT_INTERVAL,
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&st->poll);
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hid_sensor_get_reporting_interval(hsdev, usage_id, st);
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sensor_hub_input_get_attribute_info(hsdev,
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HID_FEATURE_REPORT, usage_id,
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