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be0639063a
Merged upstream: bcm27xx/patches-5.4/950-1014-Revert-mailbox-avoid-timer-start-from-callback.patch generic/backport-5.4/080-wireguard-0021-crypto-blake2s-generic-C-library-implementation-and-.patch Manually adapted: layerscape/patches-5.4/801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch oxnas/patches-5.4/100-oxnas-clk-plla-pllb.patch Compile-tested: lantiq/xrx200 Run-tested: lantiq/xrx200 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
124 lines
3.7 KiB
Diff
124 lines
3.7 KiB
Diff
From 2f7b03ee22ad1597dc2f21797466ac477997b06f Mon Sep 17 00:00:00 2001
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From: Florian Meier <florian.meier@koalo.de>
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Date: Mon, 25 Jan 2016 15:48:59 +0000
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Subject: [PATCH] ASoC: Add support for Rpi-DAC
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---
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sound/soc/codecs/Kconfig | 5 +++
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sound/soc/codecs/Makefile | 2 ++
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sound/soc/codecs/pcm1794a.c | 69 +++++++++++++++++++++++++++++++++++++
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3 files changed, 76 insertions(+)
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create mode 100644 sound/soc/codecs/pcm1794a.c
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -134,6 +134,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_PCM179X_SPI if SPI_MASTER
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select SND_SOC_PCM186X_I2C if I2C
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select SND_SOC_PCM186X_SPI if SPI_MASTER
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+ select SND_SOC_PCM1794A if I2C
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select SND_SOC_PCM3008
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select SND_SOC_PCM3060_I2C if I2C
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select SND_SOC_PCM3060_SPI if SPI_MASTER
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@@ -984,6 +985,10 @@ config SND_SOC_RT5616
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tristate "Realtek RT5616 CODEC"
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depends on I2C
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+config SND_SOC_PCM1794A
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+ tristate
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+ depends on I2C
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+
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config SND_SOC_RT5631
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tristate "Realtek ALC5631/RT5631 CODEC"
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depends on I2C
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--- a/sound/soc/codecs/Makefile
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+++ b/sound/soc/codecs/Makefile
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@@ -134,6 +134,7 @@ snd-soc-pcm179x-spi-objs := pcm179x-spi.
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snd-soc-pcm186x-objs := pcm186x.o
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snd-soc-pcm186x-i2c-objs := pcm186x-i2c.o
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snd-soc-pcm186x-spi-objs := pcm186x-spi.o
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+snd-soc-pcm1794a-objs := pcm1794a.o
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snd-soc-pcm3008-objs := pcm3008.o
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snd-soc-pcm3060-objs := pcm3060.o
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snd-soc-pcm3060-i2c-objs := pcm3060-i2c.o
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@@ -430,6 +431,7 @@ obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc
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obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
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obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
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obj-$(CONFIG_SND_SOC_RK3328) += snd-soc-rk3328.o
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+obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o
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obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
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obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
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obj-$(CONFIG_SND_SOC_RT1011) += snd-soc-rt1011.o
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--- /dev/null
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+++ b/sound/soc/codecs/pcm1794a.c
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@@ -0,0 +1,69 @@
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+/*
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+ * Driver for the PCM1794A codec
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+ *
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+ * Author: Florian Meier <florian.meier@koalo.de>
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+ * Copyright 2013
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+
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+#include <sound/soc.h>
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+
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+static struct snd_soc_dai_driver pcm1794a_dai = {
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+ .name = "pcm1794a-hifi",
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+ .playback = {
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+ .channels_min = 2,
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+ .channels_max = 2,
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+ .rates = SNDRV_PCM_RATE_8000_192000,
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+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
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+ SNDRV_PCM_FMTBIT_S24_LE
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+ },
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+};
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+
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+static struct snd_soc_component_driver soc_component_dev_pcm1794a;
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+
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+static int pcm1794a_probe(struct platform_device *pdev)
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+{
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+ return snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm1794a,
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+ &pcm1794a_dai, 1);
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+}
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+
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+static int pcm1794a_remove(struct platform_device *pdev)
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+{
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+ snd_soc_unregister_component(&pdev->dev);
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+ return 0;
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+}
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+
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+static const struct of_device_id pcm1794a_of_match[] = {
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+ { .compatible = "ti,pcm1794a", },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
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+
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+static struct platform_driver pcm1794a_component_driver = {
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+ .probe = pcm1794a_probe,
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+ .remove = pcm1794a_remove,
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+ .driver = {
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+ .name = "pcm1794a-codec",
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+ .owner = THIS_MODULE,
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+ .of_match_table = of_match_ptr(pcm1794a_of_match),
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+ },
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+};
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+
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+module_platform_driver(pcm1794a_component_driver);
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+
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+MODULE_DESCRIPTION("ASoC PCM1794A codec driver");
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+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
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+MODULE_LICENSE("GPL v2");
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