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Diffstat (limited to 'sound/soc/ep93xx/edb93xx.c')
-rw-r--r--sound/soc/ep93xx/edb93xx.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/sound/soc/ep93xx/edb93xx.c b/sound/soc/ep93xx/edb93xx.c
deleted file mode 100644
index e01cb02..0000000
--- a/sound/soc/ep93xx/edb93xx.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * SoC audio for EDB93xx
- *
- * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * This driver support CS4271 codec being master or slave, working
- * in control port mode, connected either via SPI or I2C.
- * The data format accepted is I2S or left-justified.
- * DAPM support not implemented.
- */
-
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/module.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <asm/mach-types.h>
-#include <mach/hardware.h>
-#include "ep93xx-pcm.h"
-
-static int edb93xx_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 err;
- unsigned int mclk_rate;
- unsigned int rate = params_rate(params);
-
- /*
- * According to CS4271 datasheet we use MCLK/LRCK=256 for
- * rates below 50kHz and 128 for higher sample rates
- */
- if (rate < 50000)
- mclk_rate = rate * 64 * 4;
- else
- mclk_rate = rate * 64 * 2;
-
- err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate,
- SND_SOC_CLOCK_IN);
- if (err)
- return err;
-
- return snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate,
- SND_SOC_CLOCK_OUT);
-}
-
-static struct snd_soc_ops edb93xx_ops = {
- .hw_params = edb93xx_hw_params,
-};
-
-static struct snd_soc_dai_link edb93xx_dai = {
- .name = "CS4271",
- .stream_name = "CS4271 HiFi",
- .platform_name = "ep93xx-pcm-audio",
- .cpu_dai_name = "ep93xx-i2s",
- .codec_name = "spi0.0",
- .codec_dai_name = "cs4271-hifi",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &edb93xx_ops,
-};
-
-static struct snd_soc_card snd_soc_edb93xx = {
- .name = "EDB93XX",
- .owner = THIS_MODULE,
- .dai_link = &edb93xx_dai,
- .num_links = 1,
-};
-
-static int __devinit edb93xx_probe(struct platform_device *pdev)
-{
- struct snd_soc_card *card = &snd_soc_edb93xx;
- int ret;
-
- ret = ep93xx_i2s_acquire();
- if (ret)
- return ret;
-
- card->dev = &pdev->dev;
-
- ret = snd_soc_register_card(card);
- if (ret) {
- dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
- ret);
- ep93xx_i2s_release();
- }
-
- return ret;
-}
-
-static int __devexit edb93xx_remove(struct platform_device *pdev)
-{
- struct snd_soc_card *card = platform_get_drvdata(pdev);
-
- snd_soc_unregister_card(card);
- ep93xx_i2s_release();
-
- return 0;
-}
-
-static struct platform_driver edb93xx_driver = {
- .driver = {
- .name = "edb93xx-audio",
- .owner = THIS_MODULE,
- },
- .probe = edb93xx_probe,
- .remove = __devexit_p(edb93xx_remove),
-};
-
-module_platform_driver(edb93xx_driver);
-
-MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
-MODULE_DESCRIPTION("ALSA SoC EDB93xx");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:edb93xx-audio");
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