ASoC: cirrus: edb93xx: Delete driver

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>

diff --git a/sound/soc/cirrus/Kconfig b/sound/soc/cirrus/Kconfig
index 38a83c4dcc2d6488728dac456b941f2bec0b9a8f..97def4e53fbc7755c90725025abfc24b358247da 100644 (file)
--- 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 19a86daad6609e18ccae2c12a2c806da1a905aed..5916c03888cb4d008c7a27b258b2f879a3b3b19e 100644 (file)
--- a/sound/soc/cirrus/Makefile
+++ b/sound/soc/cirrus/Makefile
@@ -6,7 +6,3 @@ snd-soc-ep93xx-i2s-objs                         := 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-objs                           := 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 (file)
index f49caab..0000000
--- a/sound/soc/cirrus/edb93xx.c
+++ /dev/null
@@ -1,117 +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/gpio.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 = asoc_substream_to_rtd(substream);
-       struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
-       struct snd_soc_dai *cpu_dai = asoc_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");