forked from luck/tmp_suning_uos_patched
ec588ae6c2
It is currently completely normal to execute these machine drivers code on different boards if the kernel includes support for multiple boards so no error message should be printed if the machine_is_xxx does not match with the machine driver. Therefore remove these pr_err and pr_debug prints in those cases. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
/*
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* omap3evm.c -- ALSA SoC support for OMAP3 EVM
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*
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* Author: Anuj Aggarwal <anuj.aggarwal@ti.com>
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*
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* Based on sound/soc/omap/beagle.c by Steve Sakoman
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*
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* Copyright (C) 2008 Texas Instruments, Incorporated
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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 version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
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* whether express or implied; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <mach/gpio.h>
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#include <plat/mcbsp.h>
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#include "omap-mcbsp.h"
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#include "omap-pcm.h"
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static int omap3evm_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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/* Set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai,
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SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0) {
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printk(KERN_ERR "Can't set codec DAI configuration\n");
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return ret;
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}
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/* Set cpu DAI configuration */
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ret = snd_soc_dai_set_fmt(cpu_dai,
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SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0) {
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printk(KERN_ERR "Can't set cpu DAI configuration\n");
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return ret;
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}
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/* Set the codec system clock for DAC and ADC */
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
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SND_SOC_CLOCK_IN);
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if (ret < 0) {
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printk(KERN_ERR "Can't set codec system clock\n");
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return ret;
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}
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return 0;
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}
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static struct snd_soc_ops omap3evm_ops = {
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.hw_params = omap3evm_hw_params,
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};
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/* Digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link omap3evm_dai = {
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.name = "TWL4030",
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.stream_name = "TWL4030",
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.cpu_dai_name = "omap-mcbsp-dai.1",
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.codec_dai_name = "twl4030-hifi",
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.platform_name = "omap-pcm-audio",
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.codec_name = "twl4030-codec",
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.ops = &omap3evm_ops,
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};
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/* Audio machine driver */
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static struct snd_soc_card snd_soc_omap3evm = {
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.name = "omap3evm",
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.dai_link = &omap3evm_dai,
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.num_links = 1,
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};
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static struct platform_device *omap3evm_snd_device;
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static int __init omap3evm_soc_init(void)
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{
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int ret;
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if (!machine_is_omap3evm())
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return -ENODEV;
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pr_info("OMAP3 EVM SoC init\n");
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omap3evm_snd_device = platform_device_alloc("soc-audio", -1);
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if (!omap3evm_snd_device) {
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printk(KERN_ERR "Platform device allocation failed\n");
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return -ENOMEM;
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}
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platform_set_drvdata(omap3evm_snd_device, &snd_soc_omap3evm);
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ret = platform_device_add(omap3evm_snd_device);
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if (ret)
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goto err1;
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return 0;
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err1:
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printk(KERN_ERR "Unable to add platform device\n");
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platform_device_put(omap3evm_snd_device);
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return ret;
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}
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static void __exit omap3evm_soc_exit(void)
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{
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platform_device_unregister(omap3evm_snd_device);
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}
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module_init(omap3evm_soc_init);
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module_exit(omap3evm_soc_exit);
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MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>");
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MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM");
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MODULE_LICENSE("GPL v2");
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