forked from luck/tmp_suning_uos_patched
87bea31c7b
The core will sync DAPM as part of the card initialization, there is no need for machine drivers to do so during their setup. OMAP drivers are omitted as I know Peter already has patches for them. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/*
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* kirkwood-t5325.c
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*
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* (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <sound/soc.h>
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#include <mach/kirkwood.h>
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#include <plat/audio.h>
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#include <asm/mach-types.h>
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#include "../codecs/alc5623.h"
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static int t5325_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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int ret;
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unsigned int freq, fmt;
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fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS;
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ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
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if (ret < 0)
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return ret;
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ret = snd_soc_dai_set_fmt(codec_dai, fmt);
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if (ret < 0)
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return ret;
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freq = params_rate(params) * 256;
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return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
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}
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static struct snd_soc_ops t5325_ops = {
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.hw_params = t5325_hw_params,
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};
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static const struct snd_soc_dapm_widget t5325_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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};
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static const struct snd_soc_dapm_route t5325_route[] = {
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{ "Headphone Jack", NULL, "HPL" },
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{ "Headphone Jack", NULL, "HPR" },
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{"Speaker", NULL, "SPKOUT"},
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{"Speaker", NULL, "SPKOUTN"},
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{ "MIC1", NULL, "Mic Jack" },
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{ "MIC2", NULL, "Mic Jack" },
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};
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static int t5325_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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snd_soc_dapm_new_controls(dapm, t5325_dapm_widgets,
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ARRAY_SIZE(t5325_dapm_widgets));
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snd_soc_dapm_add_routes(dapm, t5325_route, ARRAY_SIZE(t5325_route));
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snd_soc_dapm_enable_pin(dapm, "Mic Jack");
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snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
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snd_soc_dapm_enable_pin(dapm, "Speaker");
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return 0;
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}
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static struct snd_soc_dai_link t5325_dai[] = {
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{
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.name = "ALC5621",
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.stream_name = "ALC5621 HiFi",
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.cpu_dai_name = "kirkwood-i2s",
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.platform_name = "kirkwood-pcm-audio",
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.codec_dai_name = "alc5621-hifi",
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.codec_name = "alc562x-codec.0-001a",
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.ops = &t5325_ops,
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.init = t5325_dai_init,
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},
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};
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static struct snd_soc_card t5325 = {
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.name = "t5325",
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.dai_link = t5325_dai,
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.num_links = ARRAY_SIZE(t5325_dai),
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};
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static struct platform_device *t5325_snd_device;
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static int __init t5325_init(void)
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{
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int ret;
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if (!machine_is_t5325())
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return 0;
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t5325_snd_device = platform_device_alloc("soc-audio", -1);
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if (!t5325_snd_device)
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return -ENOMEM;
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platform_set_drvdata(t5325_snd_device,
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&t5325);
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ret = platform_device_add(t5325_snd_device);
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if (ret) {
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printk(KERN_ERR "%s: platform_device_add failed\n", __func__);
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platform_device_put(t5325_snd_device);
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}
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return ret;
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}
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module_init(t5325_init);
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static void __exit t5325_exit(void)
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{
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platform_device_unregister(t5325_snd_device);
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}
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module_exit(t5325_exit);
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MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
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MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
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MODULE_LICENSE("GPL");
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