add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/sound/info.h
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@@ -1,29 +1,15 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 #ifndef __SOUND_INFO_H
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 #define __SOUND_INFO_H
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 /*
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  *  Header file for info interface
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  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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- *
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- *
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- *   This program is free software; you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   the Free Software Foundation; either version 2 of the License, or
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- *   (at your option) any later version.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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- *   You should have received a copy of the GNU General Public License
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- *   along with this program; if not, write to the Free Software
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- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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- *
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  */
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9
 
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 #include <linux/poll.h>
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 #include <linux/seq_file.h>
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+#include <linux/android_kabi.h>
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 #include <sound/core.h>
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14
 
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 /* buffer for information */
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@@ -70,6 +56,8 @@
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 	int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
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 		    struct inode *inode, struct file *file,
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 		    struct vm_area_struct *vma);
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+
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+	ANDROID_KABI_RESERVE(1);
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 };
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 struct snd_info_entry {
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@@ -79,10 +67,9 @@
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 	unsigned short content;
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 	union {
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 		struct snd_info_entry_text text;
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-		struct snd_info_entry_ops *ops;
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+		const struct snd_info_entry_ops *ops;
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 	} c;
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 	struct snd_info_entry *parent;
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-	struct snd_card *card;
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 	struct module *module;
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 	void *private_data;
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 	void (*private_free)(struct snd_info_entry *entry);
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@@ -90,6 +77,8 @@
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 	struct mutex access;
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 	struct list_head children;
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 	struct list_head list;
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+
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+	ANDROID_KABI_RESERVE(1);
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 };
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 #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS)
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@@ -160,10 +149,15 @@
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 	entry->c.text.read = read;
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 }
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+int snd_card_rw_proc_new(struct snd_card *card, const char *name,
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+			 void *private_data,
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+			 void (*read)(struct snd_info_entry *,
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+				      struct snd_info_buffer *),
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+			 void (*write)(struct snd_info_entry *entry,
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+				       struct snd_info_buffer *buffer));
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+
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 int snd_info_check_reserved_words(const char *str);
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-struct snd_info_entry *snd_info_create_subdir(struct module *mod,
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-					      const char *name,
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-					      struct snd_info_entry *parent);
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+
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 #else
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 #define snd_seq_root NULL
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@@ -191,12 +185,38 @@
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 static inline void snd_info_set_text_ops(struct snd_info_entry *entry __attribute__((unused)),
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 					 void *private_data,
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 					 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {}
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+static inline int snd_card_rw_proc_new(struct snd_card *card, const char *name,
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+				       void *private_data,
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+				       void (*read)(struct snd_info_entry *,
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+						    struct snd_info_buffer *),
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+				       void (*write)(struct snd_info_entry *entry,
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+						     struct snd_info_buffer *buffer))
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+{
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+	return 0;
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+}
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 static inline int snd_info_check_reserved_words(const char *str) { return 1; }
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-static inline struct snd_info_entry *snd_info_create_subdir(
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-				struct module *mod, const char *name,
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-				struct snd_info_entry *parent) { return NULL; }
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+
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 #endif
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+/**
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+ * snd_card_ro_proc_new - Create a read-only text proc file entry for the card
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+ * @card: the card instance
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+ * @name: the file name
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+ * @private_data: the arbitrary private data
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+ * @read: the read callback
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+ *
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+ * This proc file entry will be registered via snd_card_register() call, and
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+ * it will be removed automatically at the card removal, too.
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+ */
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+static inline int
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+snd_card_ro_proc_new(struct snd_card *card, const char *name,
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+		     void *private_data,
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+		     void (*read)(struct snd_info_entry *,
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+				  struct snd_info_buffer *))
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+{
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+	return snd_card_rw_proc_new(card, name, private_data, read, NULL);
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+}
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+
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 /*
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  * OSS info part
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  */