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-rw-r--r--include/dt-bindings/sound/cs35l45.h20
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diff --git a/include/dt-bindings/sound/cs35l45.h b/include/dt-bindings/sound/cs35l45.h
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+++ b/include/dt-bindings/sound/cs35l45.h
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+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header
+ *
+ * Copyright 2022 Cirrus Logic, Inc.
+ */
+
+#ifndef DT_CS35L45_H
+#define DT_CS35L45_H
+
+/*
+ * cirrus,asp-sdout-hiz-ctrl
+ *
+ * TX_HIZ_UNUSED: TX pin high-impedance during unused slots.
+ * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled.
+ */
+#define CS35L45_ASP_TX_HIZ_UNUSED 0x1
+#define CS35L45_ASP_TX_HIZ_DISABLED 0x2
+
+#endif /* DT_CS35L45_H */