From a070ce5bc81a74ecf137ce04fd6b1c2c054bb436 Mon Sep 17 00:00:00 2001
From: Rahul Sharma <rahsha@codeaurora.org>
Date: Mon, 19 Nov 2018 15:45:27 +0530
Subject: [PATCH] asoc: Add machine driver changes for sa6155

Add machine driver interface for 615x to support dynamic loading
of kernel module.

Change-Id: I5691c2730d31390d6f6b4ce30794182421dc1861
Signed-off-by: Rahul Sharma <rahsha@codeaurora.org>
---
 asoc/Kbuild              |  2 ++
 asoc/machine_615x_init.c | 36 ++++++++++++++++++++++++++++++++++++
 asoc/machine_615x_init.h | 23 +++++++++++++++++++++++
 asoc/sm6150.c            | 13 ++++++++++++-
 4 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 asoc/machine_615x_init.c
 create mode 100644 asoc/machine_615x_init.h

diff --git a/asoc/Kbuild b/asoc/Kbuild
index 5ff12c61c14a..afbda8ba4e43 100644
--- a/asoc/Kbuild
+++ b/asoc/Kbuild
@@ -86,6 +86,8 @@ endif
 # for SM6150 sound card driver
 ifdef CONFIG_SND_SOC_SM6150
 	MACHINE_OBJS += sm6150.o
+	MACHINE_OBJS += sa8155.o
+	MACHINE_OBJS += machine_615x_init.o
 endif
 
 # for qcs405 sound card driver
diff --git a/asoc/machine_615x_init.c b/asoc/machine_615x_init.c
new file mode 100644
index 000000000000..cf5013826bc8
--- /dev/null
+++ b/asoc/machine_615x_init.c
@@ -0,0 +1,36 @@
+/*
+* Copyright (c) 2018, The Linux Foundation. All rights reserved.
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 and
+* only version 2 as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+*/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "machine_615x_init.h"
+
+static int __init audio_machine_615x_init(void)
+{
+	sm6150_init();
+	sa8155_init();
+	return 0;
+}
+
+static void audio_machine_615x_exit(void)
+{
+	sm6150_exit();
+	sa8155_exit();
+}
+
+module_init(audio_machine_615x_init);
+module_exit(audio_machine_615x_exit);
+
+MODULE_DESCRIPTION("Audio Machine 615X Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/asoc/machine_615x_init.h b/asoc/machine_615x_init.h
new file mode 100644
index 000000000000..36565e46bb10
--- /dev/null
+++ b/asoc/machine_615x_init.h
@@ -0,0 +1,23 @@
+/*
+* Copyright (c) 2018, The Linux Foundation. All rights reserved.
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 and
+* only version 2 as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+*/
+
+#ifndef __MACHINE_615X_INIT_H__
+#define __MACHINE_615X_INIT_H__
+int sm6150_init(void);
+int sa8155_init(void);
+
+void sm6150_exit(void);
+void sa8155_exit(void);
+#endif
+
diff --git a/asoc/sm6150.c b/asoc/sm6150.c
index 49902c875b36..e41fe49caeaf 100644
--- a/asoc/sm6150.c
+++ b/asoc/sm6150.c
@@ -9302,7 +9302,18 @@ static struct platform_driver sm6150_asoc_machine_driver = {
 	.probe = msm_asoc_machine_probe,
 	.remove = msm_asoc_machine_remove,
 };
-module_platform_driver(sm6150_asoc_machine_driver);
+
+int __init sm6150_init(void)
+{
+	pr_debug("%s\n", __func__);
+	return platform_driver_register(&sm6150_asoc_machine_driver);
+}
+
+void sm6150_exit(void)
+{
+	pr_debug("%s\n", __func__);
+	platform_driver_unregister(&sm6150_asoc_machine_driver);
+}
 
 MODULE_DESCRIPTION("ALSA SoC SM6150 Machine driver");
 MODULE_LICENSE("GPL v2");