ASoC: kirkwood: Add audio support to hp t5325 thin clients (d9064011) · Commits · e / devices / android_kernel_teracube_2e

sound/soc/kirkwood/Kconfig

+9 −0

Original line number	Diff line number	Diff line
		@@ -18,3 +18,12 @@ config SND_KIRKWOOD_SOC_OPENRD
		Say Y if you want to add support for SoC audio on
		Openrd Client.

		config SND_KIRKWOOD_SOC_T5325
		tristate "SoC Audio support for HP t5325"
		depends on SND_KIRKWOOD_SOC && MACH_T5325
		select SND_KIRKWOOD_SOC_I2S
		select SND_SOC_ALC5623
		help
		Say Y if you want to add support for SoC audio on
		the HP t5325 thin client.

sound/soc/kirkwood/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -5,5 +5,7 @@ obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o
		obj-$(CONFIG_SND_KIRKWOOD_SOC_I2S) += snd-soc-kirkwood-i2s.o

		snd-soc-openrd-objs := kirkwood-openrd.o
		snd-soc-t5325-objs := kirkwood-t5325.o

		obj-$(CONFIG_SND_KIRKWOOD_SOC_OPENRD) += snd-soc-openrd.o
		obj-$(CONFIG_SND_KIRKWOOD_SOC_T5325) += snd-soc-t5325.o

sound/soc/kirkwood/kirkwood-t5325.c

0 → 100644

+141 −0

Original line number	Diff line number	Diff line
		/*
		* kirkwood-t5325.c
		*
		* (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
		*
		* 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/interrupt.h>
		#include <linux/platform_device.h>
		#include <linux/slab.h>
		#include <sound/soc.h>
		#include <sound/soc-dapm.h>
		#include <mach/kirkwood.h>
		#include <plat/audio.h>
		#include <asm/mach-types.h>
		#include "../codecs/alc5623.h"

		static int t5325_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct snd_soc_dai *codec_dai = rtd->codec_dai;
		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
		int ret;
		unsigned int freq, fmt;

		fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_CBS_CFS;
		ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
		if (ret < 0)
		return ret;

		ret = snd_soc_dai_set_fmt(codec_dai, fmt);
		if (ret < 0)
		return ret;

		freq = params_rate(params) * 256;

		return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);

		}

		static struct snd_soc_ops t5325_ops = {
		.hw_params = t5325_hw_params,
		};

		static const struct snd_soc_dapm_widget t5325_dapm_widgets[] = {
		SND_SOC_DAPM_HP("Headphone Jack", NULL),
		SND_SOC_DAPM_SPK("Speaker", NULL),
		SND_SOC_DAPM_MIC("Mic Jack", NULL),
		};

		static const struct snd_soc_dapm_route t5325_route[] = {
		{ "Headphone Jack", NULL, "HPL" },
		{ "Headphone Jack", NULL, "HPR" },

		{"Speaker", NULL, "SPKOUT"},
		{"Speaker", NULL, "SPKOUTN"},

		{ "MIC1", NULL, "Mic Jack" },
		{ "MIC2", NULL, "Mic Jack" },
		};

		static int t5325_dai_init(struct snd_soc_pcm_runtime *rtd)
		{
		struct snd_soc_codec *codec = rtd->codec;

		snd_soc_dapm_new_controls(codec, t5325_dapm_widgets,
		ARRAY_SIZE(t5325_dapm_widgets));

		snd_soc_dapm_add_routes(codec, t5325_route, ARRAY_SIZE(t5325_route));

		snd_soc_dapm_enable_pin(codec, "Mic Jack");
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
		snd_soc_dapm_enable_pin(codec, "Speaker");

		snd_soc_dapm_sync(codec);

		return 0;
		}

		static struct snd_soc_dai_link t5325_dai[] = {
		{
		.name = "ALC5621",
		.stream_name = "ALC5621 HiFi",
		.cpu_dai_name = "kirkwood-i2s",
		.platform_name = "kirkwood-pcm-audio",
		.codec_dai_name = "alc5621-hifi",
		.codec_name = "alc562x-codec.0-001a",
		.ops = &t5325_ops,
		.init = t5325_dai_init,
		},
		};


		static struct snd_soc_card t5325 = {
		.name = "t5325",
		.dai_link = t5325_dai,
		.num_links = ARRAY_SIZE(t5325_dai),
		};

		static struct platform_device *t5325_snd_device;

		static int __init t5325_init(void)
		{
		int ret;

		if (!machine_is_t5325())
		return 0;

		t5325_snd_device = platform_device_alloc("soc-audio", -1);
		if (!t5325_snd_device)
		return -ENOMEM;

		platform_set_drvdata(t5325_snd_device,
		&t5325);

		ret = platform_device_add(t5325_snd_device);
		if (ret) {
		printk(KERN_ERR "%s: platform_device_add failed\n", __func__);
		platform_device_put(t5325_snd_device);
		}

		return ret;
		}
		module_init(t5325_init);

		static void __exit t5325_exit(void)
		{
		platform_device_unregister(t5325_snd_device);
		}
		module_exit(t5325_exit);

		MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
		MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
		MODULE_LICENSE("GPL");