[PATCH v12 37/38] ASoC: cirrus: edb93xx: Delete driver

Nikita Shubin via B4 Relay
2024-09-09T08:12:18Z

From: Alexander Sverdlin <alexander.sverdlin@gmail.com>

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>
---
sound/soc/cirrus/Kconfig | 9 ----
sound/soc/cirrus/Makefile | 4 --
sound/soc/cirrus/edb93xx.c | 116 ---------------------------------------------
3 files changed, 129 deletions(-)

diff --git a/sound/soc/cirrus/Kconfig b/sound/soc/cirrus/Kconfig
index 38a83c4dcc2d..97def4e53fbc 100644
--- a/sound/soc/cirrus/Kconfig
+++ b/sound/soc/cirrus/Kconfig
@@ -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.
diff --git a/sound/soc/cirrus/Makefile b/sound/soc/cirrus/Makefile
index ad606b293715..61d8cf64e859 100644
--- a/sound/soc/cirrus/Makefile
+++ b/sound/soc/cirrus/Makefile
@@ -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
diff --git a/sound/soc/cirrus/edb93xx.c b/sound/soc/cirrus/edb93xx.c
deleted file mode 100644
index 8bb67d7d2b4b..000000000000
--- a/sound/soc/cirrus/edb93xx.c
+++ /dev/null
@@ -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");

--
2.43.2