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ASoC: cirrus: edb93xx: Delete driver

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Can be replaced with "simple-audio-card" for the rates up to 50kHz, refer
to commit "ARM: dts: ep93xx: Add EDB9302 DT".

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Alexander Sverdlin 2024-09-09 11:11:02 +03:00 committed by Arnd Bergmann
parent 43528a7252
commit 29ed9cec87
3 changed files with 0 additions and 129 deletions
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9
sound/soc/cirrus/Kconfig
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@ -31,12 +31,3 @@ config SND_EP93XX_SOC_I2S_WATCHDOG
endif # if SND_EP93XX_SOC_I2S
config SND_EP93XX_SOC_EDB93XX
tristate "SoC Audio support for Cirrus Logic EDB93xx boards"
depends on SND_EP93XX_SOC && (MACH_EDB9301 || MACH_EDB9302 || MACH_EDB9302A || MACH_EDB9307A || MACH_EDB9315A)
select SND_EP93XX_SOC_I2S
select SND_SOC_CS4271_I2C if I2C
select SND_SOC_CS4271_SPI if SPI_MASTER
help
Say Y or M here if you want to add support for I2S audio on the
Cirrus Logic EDB93xx boards.

4
sound/soc/cirrus/Makefile
View File

@ -6,7 +6,3 @@ snd-soc-ep93xx-i2s-y := ep93xx-i2s.o
obj-$(CONFIG_SND_EP93XX_SOC) += snd-soc-ep93xx.o
obj-$(CONFIG_SND_EP93XX_SOC_I2S) += snd-soc-ep93xx-i2s.o
# EP93XX Machine Support
snd-soc-edb93xx-y := edb93xx.o
obj-$(CONFIG_SND_EP93XX_SOC_EDB93XX) += snd-soc-edb93xx.o

116
sound/soc/cirrus/edb93xx.c
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@ -1,116 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SoC audio for EDB93xx
*
* Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
*
* 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/module.h>
#include <linux/soc/cirrus/ep93xx.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
static int edb93xx_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
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 const struct snd_soc_ops edb93xx_ops = {
.hw_params = edb93xx_hw_params,
};
SND_SOC_DAILINK_DEFS(hifi,
DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-i2s")),
DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "cs4271-hifi")),
DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-i2s")));
static struct snd_soc_dai_link edb93xx_dai = {
.name = "CS4271",
.stream_name = "CS4271 HiFi",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.ops = &edb93xx_ops,
SND_SOC_DAILINK_REG(hifi),
};
static struct snd_soc_card snd_soc_edb93xx = {
.name = "EDB93XX",
.owner = THIS_MODULE,
.dai_link = &edb93xx_dai,
.num_links = 1,
};
static int 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 void edb93xx_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
snd_soc_unregister_card(card);
ep93xx_i2s_release();
}
static struct platform_driver edb93xx_driver = {
.driver = {
.name = "edb93xx-audio",
},
.probe = edb93xx_probe,
.remove_new = 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");