On Sat, May 15, 2010 at 05:30:04PM +0200, apatard@xxxxxxxxxxxx wrote: > This patch is adding support for openrd client platforms. It's using > the cs42l51 codec and has one mic and one speaker plugs. > > Signed-off-by: Arnaud Patard <apatard@xxxxxxxxxxxx> This all looks OK - CCing in Liam (and obviously this depends on both the CODEC and CPU drivers). > Index: sound-2.6/sound/soc/orion/Kconfig > =================================================================== > --- sound-2.6.orig/sound/soc/orion/Kconfig 2010-05-15 17:06:16.890586343 +0200 > +++ sound-2.6/sound/soc/orion/Kconfig 2010-05-15 17:07:30.990586832 +0200 > @@ -9,3 +9,12 @@ config SND_ORION_SOC > config SND_ORION_SOC_I2S > tristate > > +config SND_KIRKWOOD_SOC_OPENRD > + tristate "SoC Audio support for Kirkwood Openrd Client" > + depends on SND_ORION_SOC && MACH_OPENRD_CLIENT > + select SND_ORION_SOC_I2S > + select SND_SOC_CS42L51 > + help > + Say Y if you want to add support for SoC audio on > + Openrd Client. > + > Index: sound-2.6/sound/soc/orion/Makefile > =================================================================== > --- sound-2.6.orig/sound/soc/orion/Makefile 2010-05-15 17:06:16.962086209 +0200 > +++ sound-2.6/sound/soc/orion/Makefile 2010-05-15 17:07:31.006586283 +0200 > @@ -4,3 +4,6 @@ snd-soc-orion-i2s-objs := orion-i2s.o > obj-$(CONFIG_SND_ORION_SOC) += snd-soc-orion.o > obj-$(CONFIG_SND_ORION_SOC_I2S) += snd-soc-orion-i2s.o > > +snd-soc-openrd-objs := kirkwood-openrd.o > + > +obj-$(CONFIG_SND_KIRKWOOD_SOC_OPENRD) += snd-soc-openrd.o > Index: sound-2.6/sound/soc/orion/kirkwood-openrd.c > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ sound-2.6/sound/soc/orion/kirkwood-openrd.c 2010-05-15 17:07:31.046586004 +0200 > @@ -0,0 +1,126 @@ > +/* > + * kirkwood-openrd.c > + * > + * (c) 2010 Arnaud Patard <apatard@xxxxxxxxxxxx> > + * > + * 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 <mach/kirkwood.h> > +#include <plat/audio.h> > +#include <asm/mach-types.h> > +#include "orion-i2s.h" > +#include "orion-dma.h" > +#include "../codecs/cs42l51.h" > + > +static int openrd_client_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->dai->codec_dai; > + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; > + int ret; > + unsigned int freq, fmt; > + > + fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM; > + 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 openrd_client_ops = { > + .hw_params = openrd_client_hw_params, > +}; > + > + > +static struct snd_soc_dai_link openrd_client_dai[] = { > +{ > + .name = "CS42L51", > + .stream_name = "CS42L51 HiFi", > + .cpu_dai = &orion_i2s_dai, > + .codec_dai = &cs42l51_dai, > + .ops = &openrd_client_ops, > +}, > +}; > + > + > +static struct snd_soc_card openrd_client = { > + .name = "OpenRD Client", > + .platform = &orion_soc_platform, > + .dai_link = openrd_client_dai, > + .num_links = ARRAY_SIZE(openrd_client_dai), > +}; > + > +static struct snd_soc_device openrd_client_snd_devdata = { > + .card = &openrd_client, > + .codec_dev = &soc_codec_device_cs42l51, > +}; > + > +static struct platform_device *openrd_client_snd_device; > + > +static int __init openrd_client_init(void) > +{ > + int ret; > + > + if (!machine_is_openrd_client()) > + return 0; > + > + openrd_client_snd_device = platform_device_alloc("soc-audio", -1); > + if (!openrd_client_snd_device) > + return -ENOMEM; > + > + platform_set_drvdata(openrd_client_snd_device, > + &openrd_client_snd_devdata); > + openrd_client_snd_devdata.dev = &openrd_client_snd_device->dev; > + > + ret = platform_device_add(openrd_client_snd_device); > + if (ret) { > + printk(KERN_ERR "%s: platform_device_add failed\n", __func__); > + platform_device_put(openrd_client_snd_device); > + } > + > + return ret; > +} > + > +static void __exit openrd_client_exit(void) > +{ > + platform_device_unregister(openrd_client_snd_device); > +} > + > +module_init(openrd_client_init); > +module_exit(openrd_client_exit); > + > +/* Module information */ > +MODULE_AUTHOR("Arnaud Patard <apatard@xxxxxxxxxxxx>"); > +MODULE_DESCRIPTION("ALSA SoC OpenRD Client"); > +MODULE_LICENSE("GPL"); > +MODULE_ALIAS("platform:soc-audio"); > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel