Some hid sensors may use relative sensitivity such as als sensor.
This patch add relative sensitivity check for all hid-sensors.
Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx>
---
.../iio/common/hid-sensors/hid-sensor-attributes.c | 11 ++++++++++-
include/linux/hid-sensor-ids.h | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index d349ace2e33f..b685c292a179 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -480,7 +480,7 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
/*
* Set Sensitivity field ids, when there is no individual modifier, will
- * check absolute sensitivity of data field
+ * check absolute sensitivity and relative sensitivity of data field
*/
for (i = 0; i < sensitivity_addresses_len && st->sensitivity.index < 0; i++) {
sensor_hub_input_get_attribute_info(hsdev,
@@ -488,6 +488,15 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
sensitivity_addresses[i],
&st->sensitivity);
+
+ if (st->sensitivity.index >= 0)
+ break;
+
+ sensor_hub_input_get_attribute_info(hsdev,
+ HID_FEATURE_REPORT, usage_id,
+ HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT |
+ sensitivity_addresses[i],
+ &st->sensitivity);
}
st->raw_hystersis = -1;
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index 3bbdbccc5805..ac631159403a 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -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
--
2.17.1
