diff options
Diffstat (limited to 'kernel/sound/soc/pxa/em-x270.c')
-rw-r--r-- | kernel/sound/soc/pxa/em-x270.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/kernel/sound/soc/pxa/em-x270.c b/kernel/sound/soc/pxa/em-x270.c new file mode 100644 index 000000000..64743a05a --- /dev/null +++ b/kernel/sound/soc/pxa/em-x270.c @@ -0,0 +1,96 @@ +/* + * 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> + +#include "../codecs/wm9712.h" +#include "pxa2xx-ac97.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"); |