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iio: Add relative sensitivity support

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Some hid sensors may use relative sensitivity such as als sensor.
This patch adds relative sensitivity checking for all hid sensors.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20210207070048.23935-2-xiang.ye@intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Ye Xiang 2021-02-07 15:00:46 +08:00 • committed by Jonathan Cameron
parent 4efd13c3c2
commit 1c71a2863a
5 changed files with 78 additions and 4 deletions
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1
include/linux/hid-sensor-ids.h
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@ -149,6 +149,7 @@
/* Per data field properties */
#define HID_USAGE_SENSOR_DATA_MOD_NONE 0x00
#define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS 0x1000
#define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT 0xE000
/* Power state enumerations */
#define HID_USAGE_SENSOR_PROP_POWER_STATE_UNDEFINED_ENUM 0x200850