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iio: hid-sensors: light/als : Add sensitivity 

A number of Properties that can be applied to Data Fields are per data
field basis or for all data fields. Adding sensitivity field for all
als fields, which is most commonly used in currently available
sensor hubs.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Srinivas Pandruvada 2013-10-30 22:48:00 +00:00 committed by Jonathan Cameron
parent 2371aebf02
commit f87ee1bd88
2 changed files with 12 additions and 0 deletions
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11
drivers/iio/light/hid-sensor-als.c
View File

@ -229,6 +229,17 @@ static int als_parse_report(struct platform_device *pdev,
dev_dbg(&pdev->dev, "als %x:%x\n", st->als_illum.index,
st->als_illum.report_id);
/* 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_LIGHT,
&st->common_attributes.sensitivity);
dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n",
st->common_attributes.sensitivity.index,
st->common_attributes.sensitivity.report_id);
}
return ret;
}

1
include/linux/hid-sensor-ids.h
View File

@ -30,6 +30,7 @@
/* ALS (200041) */
#define HID_USAGE_SENSOR_ALS 0x200041
#define HID_USAGE_SENSOR_DATA_LIGHT 0x2004d0
#define HID_USAGE_SENSOR_LIGHT_ILLUM 0x2004d1
/* Gyro 3D: (200076) */