Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / iio / cdc / ad7746.h

diff --git a/kernel/drivers/staging/iio/cdc/ad7746.h b/kernel/drivers/staging/iio/cdc/ad7746.h
new file mode 100644 (file)
index 0000000..ea8572d
--- /dev/null
+++ b/kernel/drivers/staging/iio/cdc/ad7746.h
@@ -0,0 +1,29 @@
+/*
+ * AD7746 capacitive sensor driver supporting AD7745, AD7746 and AD7747
+ *
+ * Copyright 2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef IIO_CDC_AD7746_H_
+#define IIO_CDC_AD7746_H_
+
+/*
+ * TODO: struct ad7746_platform_data needs to go into include/linux/iio
+ */
+
+#define AD7466_EXCLVL_0                0 /* +-VDD/8 */
+#define AD7466_EXCLVL_1                1 /* +-VDD/4 */
+#define AD7466_EXCLVL_2                2 /* +-VDD * 3/8 */
+#define AD7466_EXCLVL_3                3 /* +-VDD/2 */
+
+struct ad7746_platform_data {
+       unsigned char exclvl;   /*Excitation Voltage Level */
+       bool exca_en;           /* enables EXCA pin as the excitation output */
+       bool exca_inv_en;       /* enables /EXCA pin as the excitation output */
+       bool excb_en;           /* enables EXCB pin as the excitation output */
+       bool excb_inv_en;       /* enables /EXCB pin as the excitation output */
+};
+
+#endif /* IIO_CDC_AD7746_H_ */