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iio: hid-sensor-als: Add relative hysteresis support

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Hid sensor als use relative hysteresis, this patch adds the support.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Link: https://lore.kernel.org/r/20210207070048.23935-3-xiang.ye@intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Ye Xiang 2021-02-07 15:00:47 +08:00 committed by Jonathan Cameron
parent 1c71a2863a
commit 84dbc231a6
1 changed files with 12 additions and 2 deletions
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14
drivers/iio/light/hid-sensor-als.c
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@ -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;
}