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 Acked-by: Mark Brown broonie@kernel.org Signed-off-by: Nikita Shubin nikita.shubin@maquefel.me --- sound/soc/cirrus/Kconfig | 9 ---- sound/soc/cirrus/Makefile | 4 -- sound/soc/cirrus/edb93xx.c | 117 --------------------------------------------- 3 files changed, 130 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 19a86daad660..5916c03888cb 100644 --- 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 index f49caab21a25..000000000000 --- 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");