From 84dbc231a6f56c810fdd1908c723c0c23c9e169b Mon Sep 17 00:00:00 2001 From: Ye Xiang Date: Sun, 7 Feb 2021 15:00:47 +0800 Subject: [PATCH] iio: hid-sensor-als: Add relative hysteresis support Hid sensor als use relative hysteresis, this patch adds the support. Signed-off-by: Ye Xiang Link: https://lore.kernel.org/r/20210207070048.23935-3-xiang.ye@intel.com Signed-off-by: Jonathan Cameron --- 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 afcdb424bfb8a..85c8a05b73cb7 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; } -- 2.30.2