diff options
Diffstat (limited to 'sound/soc/sh/fsi-ak4642.c')
-rw-r--r-- | sound/soc/sh/fsi-ak4642.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c new file mode 100644 index 00000000..97f540aa --- /dev/null +++ b/sound/soc/sh/fsi-ak4642.c @@ -0,0 +1,108 @@ +/* + * FSI-AK464x sound support for ms7724se + * + * Copyright (C) 2009 Renesas Solutions Corp. + * Kuninori Morimoto <morimoto.kuninori@renesas.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/module.h> +#include <sound/sh_fsi.h> + +struct fsi_ak4642_data { + const char *name; + const char *card; + const char *cpu_dai; + const char *codec; + const char *platform; + int id; +}; + +static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *codec = rtd->codec_dai; + struct snd_soc_dai *cpu = rtd->cpu_dai; + int ret; + + ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J | + SND_SOC_DAIFMT_CBS_CFS); + + return ret; +} + +static struct snd_soc_dai_link fsi_dai_link = { + .codec_dai_name = "ak4642-hifi", + .init = fsi_ak4642_dai_init, +}; + +static struct snd_soc_card fsi_soc_card = { + .owner = THIS_MODULE, + .dai_link = &fsi_dai_link, + .num_links = 1, +}; + +static struct platform_device *fsi_snd_device; + +static int fsi_ak4642_probe(struct platform_device *pdev) +{ + int ret = -ENOMEM; + struct fsi_ak4642_info *pinfo = pdev->dev.platform_data; + + if (!pinfo) { + dev_err(&pdev->dev, "no info for fsi ak4642\n"); + goto out; + } + + fsi_snd_device = platform_device_alloc("soc-audio", pinfo->id); + if (!fsi_snd_device) + goto out; + + fsi_dai_link.name = pinfo->name; + fsi_dai_link.stream_name = pinfo->name; + fsi_dai_link.cpu_dai_name = pinfo->cpu_dai; + fsi_dai_link.platform_name = pinfo->platform; + fsi_dai_link.codec_name = pinfo->codec; + fsi_soc_card.name = pinfo->card; + + platform_set_drvdata(fsi_snd_device, &fsi_soc_card); + ret = platform_device_add(fsi_snd_device); + + if (ret) + platform_device_put(fsi_snd_device); + +out: + return ret; +} + +static int fsi_ak4642_remove(struct platform_device *pdev) +{ + platform_device_unregister(fsi_snd_device); + return 0; +} + +static struct platform_driver fsi_ak4642 = { + .driver = { + .name = "fsi-ak4642-audio", + }, + .probe = fsi_ak4642_probe, + .remove = fsi_ak4642_remove, +}; + +module_platform_driver(fsi_ak4642); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card"); +MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); |