Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/counter_enum.h b/include/linux/counter_enum.h
new file mode 100644
index 0000000..9f91729
--- /dev/null
+++ b/include/linux/counter_enum.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Counter interface enum functions
+ * Copyright (C) 2018 William Breathitt Gray
+ */
+#ifndef _COUNTER_ENUM_H_
+#define _COUNTER_ENUM_H_
+
+#include <linux/types.h>
+
+struct counter_device;
+struct counter_signal;
+struct counter_count;
+
+ssize_t counter_signal_enum_read(struct counter_device *counter,
+ struct counter_signal *signal, void *priv,
+ char *buf);
+ssize_t counter_signal_enum_write(struct counter_device *counter,
+ struct counter_signal *signal, void *priv,
+ const char *buf, size_t len);
+
+ssize_t counter_signal_enum_available_read(struct counter_device *counter,
+ struct counter_signal *signal,
+ void *priv, char *buf);
+
+ssize_t counter_count_enum_read(struct counter_device *counter,
+ struct counter_count *count, void *priv,
+ char *buf);
+ssize_t counter_count_enum_write(struct counter_device *counter,
+ struct counter_count *count, void *priv,
+ const char *buf, size_t len);
+
+ssize_t counter_count_enum_available_read(struct counter_device *counter,
+ struct counter_count *count,
+ void *priv, char *buf);
+
+ssize_t counter_device_enum_read(struct counter_device *counter, void *priv,
+ char *buf);
+ssize_t counter_device_enum_write(struct counter_device *counter, void *priv,
+ const char *buf, size_t len);
+
+ssize_t counter_device_enum_available_read(struct counter_device *counter,
+ void *priv, char *buf);
+
+#endif /* _COUNTER_ENUM_H_ */