Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/iio/humidity/hts221.h b/drivers/iio/humidity/hts221.h
new file mode 100644
index 000000000..cf3d8d2dc
--- /dev/null
+++ b/drivers/iio/humidity/hts221.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * STMicroelectronics hts221 sensor driver
+ *
+ * Copyright 2016 STMicroelectronics Inc.
+ *
+ * Lorenzo Bianconi <lorenzo.bianconi@st.com>
+ */
+
+#ifndef HTS221_H
+#define HTS221_H
+
+#define HTS221_DEV_NAME		"hts221"
+
+#include <linux/iio/iio.h>
+#include <linux/regulator/consumer.h>
+
+enum hts221_sensor_type {
+	HTS221_SENSOR_H,
+	HTS221_SENSOR_T,
+	HTS221_SENSOR_MAX,
+};
+
+struct hts221_sensor {
+	u8 cur_avg_idx;
+	int slope, b_gen;
+};
+
+struct hts221_hw {
+	const char *name;
+	struct device *dev;
+	struct regmap *regmap;
+	struct regulator *vdd;
+
+	struct iio_trigger *trig;
+	int irq;
+
+	struct hts221_sensor sensors[HTS221_SENSOR_MAX];
+
+	bool enabled;
+	u8 odr;
+	/* Ensure natural alignment of timestamp */
+	struct {
+		__le16 channels[2];
+		s64 ts __aligned(8);
+	} scan;
+};
+
+extern const struct dev_pm_ops hts221_pm_ops;
+
+int hts221_probe(struct device *dev, int irq, const char *name,
+		 struct regmap *regmap);
+int hts221_set_enable(struct hts221_hw *hw, bool enable);
+int hts221_allocate_buffers(struct iio_dev *iio_dev);
+int hts221_allocate_trigger(struct iio_dev *iio_dev);
+
+#endif /* HTS221_H */