/* * SoC audio driver for EM-X270, eXeda and CM-X300 * * Copyright 2007, 2009 CompuLab, Ltd. * * Author: Mike Rapoport <mike@compulab.co.il> * * Copied from tosa.c: * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * * Authors: Liam Girdwood <lrg@slimlogic.co.uk> * Richard Purdie <richard@openedhand.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> #include <mach/audio.h> static struct snd_soc_dai_link em_x270_dai[] = { { .name = "AC97", .stream_name = "AC97 HiFi", .cpu_dai_name = "pxa2xx-ac97", .codec_dai_name = "wm9712-hifi", .platform_name = "pxa-pcm-audio", .codec_name = "wm9712-codec", }, { .name = "AC97 Aux", .stream_name = "AC97 Aux", .cpu_dai_name = "pxa2xx-ac97-aux", .codec_dai_name = "wm9712-aux", .platform_name = "pxa-pcm-audio", .codec_name = "wm9712-codec", }, }; static struct snd_soc_card em_x270 = { .name = "EM-X270", .owner = THIS_MODULE, .dai_link = em_x270_dai, .num_links = ARRAY_SIZE(em_x270_dai), }; static struct platform_device *em_x270_snd_device; static int __init em_x270_init(void) { int ret; if (!(machine_is_em_x270() || machine_is_exeda() || machine_is_cm_x300())) return -ENODEV; em_x270_snd_device = platform_device_alloc("soc-audio", -1); if (!em_x270_snd_device) return -ENOMEM; platform_set_drvdata(em_x270_snd_device, &em_x270); ret = platform_device_add(em_x270_snd_device); if (ret) platform_device_put(em_x270_snd_device); return ret; } static void __exit em_x270_exit(void) { platform_device_unregister(em_x270_snd_device); } module_init(em_x270_init); module_exit(em_x270_exit); /* Module information */ MODULE_AUTHOR("Mike Rapoport"); MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300"); MODULE_LICENSE("GPL");