ASoC: es7134: add es7134 DAC driver (9000b59d) · Commits · e / devices / android_kernel_xiaomi_nabu

sound/soc/codecs/Kconfig

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -72,6 +72,7 @@ config SND_SOC_ALL_CODECS
	select SND_SOC_DMIC		select SND_SOC_DMIC
	select SND_SOC_ES8328_SPI if SPI_MASTER		select SND_SOC_ES8328_SPI if SPI_MASTER
	select SND_SOC_ES8328_I2C if I2C		select SND_SOC_ES8328_I2C if I2C
			select SND_SOC_ES7134
	select SND_SOC_GTM601		select SND_SOC_GTM601
	select SND_SOC_HDAC_HDMI		select SND_SOC_HDAC_HDMI
	select SND_SOC_ICS43432		select SND_SOC_ICS43432
	@@ -525,6 +526,9 @@ config SND_SOC_HDMI_CODEC
	select SND_PCM_IEC958		select SND_PCM_IEC958
	select HDMI		select HDMI

			config SND_SOC_ES7134
			tristate "Everest Semi ES7134 CODEC"

	config SND_SOC_ES8328		config SND_SOC_ES8328
	tristate		tristate

sound/soc/codecs/Makefile

+2 −0

sound/soc/codecs/es7134.c

0 → 100644

+116 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Copyright (c) 2017 BayLibre, SAS.
			* Author: Jerome Brunet <jbrunet@baylibre.com>
			*
			* This program is free software; you can redistribute it and/or modify
			* it under the terms of version 2 of the GNU General Public License as
			* published by the Free Software Foundation.
			*
			* 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.
			*
			* You should have received a copy of the GNU General Public License
			* along with this program; if not, see <http://www.gnu.org/licenses/>.
			* The full GNU General Public License is included in this distribution
			* in the file called COPYING.
			*/

			#include <linux/module.h>
			#include <sound/soc.h>

			/*
			* The everest 7134 is a very simple DA converter with no register
			*/

			static int es7134_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
			{
			fmt &= (SND_SOC_DAIFMT_FORMAT_MASK \| SND_SOC_DAIFMT_INV_MASK \|
			SND_SOC_DAIFMT_MASTER_MASK);

			if (fmt != (SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
			SND_SOC_DAIFMT_CBS_CFS)) {
			dev_err(codec_dai->dev, "Invalid DAI format\n");
			return -EINVAL;
			}

			return 0;
			}

			static const struct snd_soc_dai_ops es7134_dai_ops = {
			.set_fmt = es7134_set_fmt,
			};

			static struct snd_soc_dai_driver es7134_dai = {
			.name = "es7134-hifi",
			.playback = {
			.stream_name = "Playback",
			.channels_min = 2,
			.channels_max = 2,
			.rates = SNDRV_PCM_RATE_8000_192000,
			.formats = (SNDRV_PCM_FMTBIT_S16_LE \|
			SNDRV_PCM_FMTBIT_S18_3LE \|
			SNDRV_PCM_FMTBIT_S20_3LE \|
			SNDRV_PCM_FMTBIT_S24_3LE \|
			SNDRV_PCM_FMTBIT_S24_LE),
			},
			.ops = &es7134_dai_ops,
			};

			static const struct snd_soc_dapm_widget es7134_dapm_widgets[] = {
			SND_SOC_DAPM_OUTPUT("AOUTL"),
			SND_SOC_DAPM_OUTPUT("AOUTR"),
			SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
			};

			static const struct snd_soc_dapm_route es7134_dapm_routes[] = {
			{ "AOUTL", NULL, "DAC" },
			{ "AOUTR", NULL, "DAC" },
			};

			static struct snd_soc_codec_driver es7134_codec_driver = {
			.component_driver = {
			.dapm_widgets = es7134_dapm_widgets,
			.num_dapm_widgets = ARRAY_SIZE(es7134_dapm_widgets),
			.dapm_routes = es7134_dapm_routes,
			.num_dapm_routes = ARRAY_SIZE(es7134_dapm_routes),
			},
			};

			static int es7134_probe(struct platform_device *pdev)
			{
			return snd_soc_register_codec(&pdev->dev,
			&es7134_codec_driver,
			&es7134_dai, 1);
			}

			static int es7134_remove(struct platform_device *pdev)
			{
			snd_soc_unregister_codec(&pdev->dev);
			return 0;
			}

			#ifdef CONFIG_OF
			static const struct of_device_id es7134_ids[] = {
			{ .compatible = "everest,es7134", },
			{ .compatible = "everest,es7144", },
			{ }
			};
			MODULE_DEVICE_TABLE(of, es7134_ids);
			#endif

			static struct platform_driver es7134_driver = {
			.driver = {
			.name = "es7134",
			.of_match_table = of_match_ptr(es7134_ids),
			},
			.probe = es7134_probe,
			.remove = es7134_remove,
			};

			module_platform_driver(es7134_driver);

			MODULE_DESCRIPTION("ASoC ES7134 audio codec driver");
			MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
			MODULE_LICENSE("GPL");

Original line number	Original line	Diff line number	Diff line
	@@ -63,6 +63,7 @@ snd-soc-da7219-objs := da7219.o da7219-aad.o
	snd-soc-da732x-objs := da732x.o		snd-soc-da732x-objs := da732x.o
	snd-soc-da9055-objs := da9055.o		snd-soc-da9055-objs := da9055.o
	snd-soc-dmic-objs := dmic.o		snd-soc-dmic-objs := dmic.o
			snd-soc-es7134-objs := es7134.o
	snd-soc-es8328-objs := es8328.o		snd-soc-es8328-objs := es8328.o
	snd-soc-es8328-i2c-objs := es8328-i2c.o		snd-soc-es8328-i2c-objs := es8328-i2c.o
	snd-soc-es8328-spi-objs := es8328-spi.o		snd-soc-es8328-spi-objs := es8328-spi.o
	@@ -293,6 +294,7 @@ obj-$(CONFIG_SND_SOC_DA7219) += snd-soc-da7219.o
	obj-$(CONFIG_SND_SOC_DA732X) += snd-soc-da732x.o		obj-$(CONFIG_SND_SOC_DA732X) += snd-soc-da732x.o
	obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o		obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o
	obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o		obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o
			obj-$(CONFIG_SND_SOC_ES7134) += snd-soc-es7134.o
	obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o		obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o
	obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o		obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o
	obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o		obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o