Hid sensor als uses relative hysteresis, this patch adds the support.
Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx>
---
drivers/iio/light/hid-sensor-als.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index afcdb424bfb8..85c8a05b73cb 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -54,7 +54,8 @@ static const struct iio_chan_spec als_channels[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
- BIT(IIO_CHAN_INFO_HYSTERESIS),
+ BIT(IIO_CHAN_INFO_HYSTERESIS) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
.scan_index = CHANNEL_SCAN_INDEX_INTENSITY,
},
{
@@ -63,7 +64,8 @@ static const struct iio_chan_spec als_channels[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
- BIT(IIO_CHAN_INFO_HYSTERESIS),
+ BIT(IIO_CHAN_INFO_HYSTERESIS) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
.scan_index = CHANNEL_SCAN_INDEX_ILLUM,
},
IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP)
@@ -141,6 +143,10 @@ static int als_read_raw(struct iio_dev *indio_dev,
ret_type = hid_sensor_read_raw_hyst_value(
&als_state->common_attributes, val, val2);
break;
+ case IIO_CHAN_INFO_HYSTERESIS_RELATIVE:
+ ret_type = hid_sensor_read_raw_hyst_rel_value(
+ &als_state->common_attributes, val, val2);
+ break;
default:
ret_type = -EINVAL;
break;
@@ -168,6 +174,10 @@ static int als_write_raw(struct iio_dev *indio_dev,
ret = hid_sensor_write_raw_hyst_value(
&als_state->common_attributes, val, val2);
break;
+ case IIO_CHAN_INFO_HYSTERESIS_RELATIVE:
+ ret = hid_sensor_write_raw_hyst_rel_value(
+ &als_state->common_attributes, val, val2);
+ break;
default:
ret = -EINVAL;
}
--
2.17.1
