1 // SPDX-License-Identifier: GPL-2.0-only
3  * Apple Onboard Audio driver for Toonie codec
7  * This is a driver for the toonie codec chip. This chip is present
15 MODULE_DESCRIPTION("toonie codec driver for snd-aoa");
21 #define PFX "snd-aoa-codec-toonie: "
24 	struct aoa_codec	codec;  member
26 #define codec_to_toonie(c) container_of(c, struct toonie, codec)
63 	/* can we turn it off somehow? */  in toonie_suspend()
85 static int toonie_init_codec(struct aoa_codec *codec)  in toonie_init_codec()  argument
87 	struct toonie *toonie = codec_to_toonie(codec);  in toonie_init_codec()
90 	if (toonie->codec.connected != 1)  in toonie_init_codec()
91 		return -ENOTCONN;  in toonie_init_codec()
95 		return -ENODEV;  in toonie_init_codec()
98 	if (toonie->codec.soundbus_dev->attach_codec(toonie->codec.soundbus_dev,  in toonie_init_codec()
103 		return -ENODEV;  in toonie_init_codec()
109 static void toonie_exit_codec(struct aoa_codec *codec)  in toonie_exit_codec()  argument
111 	struct toonie *toonie = codec_to_toonie(codec);  in toonie_exit_codec()
113 	if (!toonie->codec.soundbus_dev) {  in toonie_exit_codec()
117 	toonie->codec.soundbus_dev->detach_codec(toonie->codec.soundbus_dev, toonie);  in toonie_exit_codec()
127 		return -ENOMEM;  in toonie_init()
129 	strscpy(toonie->codec.name, "toonie", sizeof(toonie->codec.name));  in toonie_init()
130 	toonie->codec.owner = THIS_MODULE;  in toonie_init()
131 	toonie->codec.init = toonie_init_codec;  in toonie_init()
132 	toonie->codec.exit = toonie_exit_codec;  in toonie_init()
134 	if (aoa_codec_register(&toonie->codec)) {  in toonie_init()
136 		return -EINVAL;  in toonie_init()
144 	aoa_codec_unregister(&toonie->codec);  in toonie_exit()