This patch is adding support for hp t5325 thin clients.
There's a alc5623 codec connected to the i2s interface.
Signed-off-by: Arnaud Patard <arnaud.patard@xxxxxxxxxxx>
Index: sound-2.6/sound/soc/kirkwood/Kconfig
===================================================================
--- sound-2.6.orig/sound/soc/kirkwood/Kconfig 2010-09-06 23:39:39.000000000 +0200
+++ sound-2.6/sound/soc/kirkwood/Kconfig 2010-09-06 23:42:11.000000000 +0200
@@ -18,3 +18,13 @@
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
+ depends on SND_KIRKWOOD_SOC
+ 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.
+
Index: sound-2.6/sound/soc/kirkwood/Makefile
===================================================================
--- sound-2.6.orig/sound/soc/kirkwood/Makefile 2010-09-06 23:39:39.000000000 +0200
+++ sound-2.6/sound/soc/kirkwood/Makefile 2010-09-06 23:42:11.000000000 +0200
@@ -5,5 +5,7 @@
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
Index: sound-2.6/sound/soc/kirkwood/kirkwood-t5325.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ sound-2.6/sound/soc/kirkwood/kirkwood-t5325.c 2010-09-06 23:42:11.000000000 +0200
@@ -0,0 +1,155 @@
+/*
+ * kirkwood-t5325.c
+ *
+ * (c) 2010 Arnaud Patard <arnaud.patard@xxxxxxxxxxx>
+ *
+ * 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;
+
+ switch (params_rate(params)) {
+ default:
+ case 44100:
+ freq = 11289600;
+ break;
+ case 48000:
+ freq = 12288000;
+ break;
+ case 96000:
+ freq = 24576000;
+ break;
+ }
+
+ 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;
+}
+
+static void __exit t5325_exit(void)
+{
+ platform_device_unregister(t5325_snd_device);
+}
+
+module_init(t5325_init);
+module_exit(t5325_exit);
+
+/* Module information */
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@xxxxxxxxxxx>");
+MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:soc-audio");
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