Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / iio / magnetometer / st_magn.h

diff --git a/kernel/drivers/iio/magnetometer/st_magn.h b/kernel/drivers/iio/magnetometer/st_magn.h
new file mode 100644 (file)
index 0000000..7e81d00
--- /dev/null
+++ b/kernel/drivers/iio/magnetometer/st_magn.h
@@ -0,0 +1,45 @@
+/*
+ * STMicroelectronics magnetometers driver
+ *
+ * Copyright 2012-2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ * v. 1.0.0
+ * Licensed under the GPL-2.
+ */
+
+#ifndef ST_MAGN_H
+#define ST_MAGN_H
+
+#include <linux/types.h>
+#include <linux/iio/common/st_sensors.h>
+
+#define LSM303DLHC_MAGN_DEV_NAME       "lsm303dlhc_magn"
+#define LSM303DLM_MAGN_DEV_NAME                "lsm303dlm_magn"
+#define LIS3MDL_MAGN_DEV_NAME          "lis3mdl"
+
+int st_magn_common_probe(struct iio_dev *indio_dev);
+void st_magn_common_remove(struct iio_dev *indio_dev);
+
+#ifdef CONFIG_IIO_BUFFER
+int st_magn_allocate_ring(struct iio_dev *indio_dev);
+void st_magn_deallocate_ring(struct iio_dev *indio_dev);
+#else /* CONFIG_IIO_BUFFER */
+static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
+{
+       return 0;
+}
+static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
+{
+       return;
+}
+static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
+{
+       return 0;
+}
+static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
+{
+}
+#endif /* CONFIG_IIO_BUFFER */
+
+#endif /* ST_MAGN_H */