Commit 84dbc231 authored by Ye Xiang's avatar Ye Xiang Committed by Jonathan Cameron
Browse files

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



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

Signed-off-by: default avatarYe Xiang <xiang.ye@intel.com>
Link: https://lore.kernel.org/r/20210207070048.23935-3-xiang.ye@intel.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 1c71a286

drivers/iio/light/hid-sensor-als.c

+12 −2
Original line number Diff line number Diff line
@@ -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;

	}