target/linux/brcm2708/patches-4.19/950-0066-ASoC-Add-support-for-Rpi-DAC.patch

   1 From 2112d06f09c1ecd601de065351bc60b08fc53bca Mon Sep 17 00:00:00 2001
   2 From: Florian Meier <florian.meier@koalo.de>
   3 Date: Mon, 25 Jan 2016 15:48:59 +0000
   4 Subject: [PATCH 066/703] ASoC: Add support for Rpi-DAC
   5
   6 ---
   7  sound/soc/codecs/Kconfig    |  5 +++
   8  sound/soc/codecs/Makefile   |  2 ++
   9  sound/soc/codecs/pcm1794a.c | 69 +++++++++++++++++++++++++++++++++++++
  10  3 files changed, 76 insertions(+)
  11  create mode 100644 sound/soc/codecs/pcm1794a.c
  12
  13 --- a/sound/soc/codecs/Kconfig
  14 +++ b/sound/soc/codecs/Kconfig
  15 @@ -118,6 +118,7 @@ config SND_SOC_ALL_CODECS
  16         select SND_SOC_PCM179X_SPI if SPI_MASTER
  17         select SND_SOC_PCM186X_I2C if I2C
  18         select SND_SOC_PCM186X_SPI if SPI_MASTER
  19 +       select SND_SOC_PCM1794A if I2C
  20         select SND_SOC_PCM3008
  21         select SND_SOC_PCM3168A_I2C if I2C
  22         select SND_SOC_PCM3168A_SPI if SPI_MASTER
  23 @@ -834,6 +835,10 @@ config SND_SOC_RT5616
  24         tristate "Realtek RT5616 CODEC"
  25         depends on I2C
  26
  27 +config SND_SOC_PCM1794A
  28 +       tristate
  29 +       depends on I2C
  30 +
  31  config SND_SOC_RT5631
  32         tristate "Realtek ALC5631/RT5631 CODEC"
  33         depends on I2C
  34 --- a/sound/soc/codecs/Makefile
  35 +++ b/sound/soc/codecs/Makefile
  36 @@ -118,6 +118,7 @@ snd-soc-pcm179x-spi-objs := pcm179x-spi.
  37  snd-soc-pcm186x-objs := pcm186x.o
  38  snd-soc-pcm186x-i2c-objs := pcm186x-i2c.o
  39  snd-soc-pcm186x-spi-objs := pcm186x-spi.o
  40 +snd-soc-pcm1794a-objs := pcm1794a.o
  41  snd-soc-pcm3008-objs := pcm3008.o
  42  snd-soc-pcm3168a-objs := pcm3168a.o
  43  snd-soc-pcm3168a-i2c-objs := pcm3168a-i2c.o
  44 @@ -386,6 +387,7 @@ obj-$(CONFIG_SND_SOC_PCM5102A)      += snd-so
  45  obj-$(CONFIG_SND_SOC_PCM512x)  += snd-soc-pcm512x.o
  46  obj-$(CONFIG_SND_SOC_PCM512x_I2C)      += snd-soc-pcm512x-i2c.o
  47  obj-$(CONFIG_SND_SOC_PCM512x_SPI)      += snd-soc-pcm512x-spi.o
  48 +obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o
  49  obj-$(CONFIG_SND_SOC_RL6231)   += snd-soc-rl6231.o
  50  obj-$(CONFIG_SND_SOC_RL6347A)  += snd-soc-rl6347a.o
  51  obj-$(CONFIG_SND_SOC_RT1305)   += snd-soc-rt1305.o
  52 --- /dev/null
  53 +++ b/sound/soc/codecs/pcm1794a.c
  54 @@ -0,0 +1,69 @@
  55 +/*
  56 + * Driver for the PCM1794A codec
  57 + *
  58 + * Author:     Florian Meier <florian.meier@koalo.de>
  59 + *             Copyright 2013
  60 + *
  61 + * This program is free software; you can redistribute it and/or
  62 + * modify it under the terms of the GNU General Public License
  63 + * version 2 as published by the Free Software Foundation.
  64 + *
  65 + * This program is distributed in the hope that it will be useful, but
  66 + * WITHOUT ANY WARRANTY; without even the implied warranty of
  67 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  68 + * General Public License for more details.
  69 + */
  70 +
  71 +
  72 +#include <linux/init.h>
  73 +#include <linux/module.h>
  74 +#include <linux/platform_device.h>
  75 +
  76 +#include <sound/soc.h>
  77 +
  78 +static struct snd_soc_dai_driver pcm1794a_dai = {
  79 +       .name = "pcm1794a-hifi",
  80 +       .playback = {
  81 +               .channels_min = 2,
  82 +               .channels_max = 2,
  83 +               .rates = SNDRV_PCM_RATE_8000_192000,
  84 +               .formats = SNDRV_PCM_FMTBIT_S16_LE |
  85 +                          SNDRV_PCM_FMTBIT_S24_LE
  86 +       },
  87 +};
  88 +
  89 +static struct snd_soc_component_driver soc_component_dev_pcm1794a;
  90 +
  91 +static int pcm1794a_probe(struct platform_device *pdev)
  92 +{
  93 +       return snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm1794a,
  94 +                       &pcm1794a_dai, 1);
  95 +}
  96 +
  97 +static int pcm1794a_remove(struct platform_device *pdev)
  98 +{
  99 +       snd_soc_unregister_component(&pdev->dev);
 100 +       return 0;
 101 +}
 102 +
 103 +static const struct of_device_id pcm1794a_of_match[] = {
 104 +       { .compatible = "ti,pcm1794a", },
 105 +       { }
 106 +};
 107 +MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
 108 +
 109 +static struct platform_driver pcm1794a_component_driver = {
 110 +       .probe          = pcm1794a_probe,
 111 +       .remove         = pcm1794a_remove,
 112 +       .driver         = {
 113 +               .name   = "pcm1794a-codec",
 114 +               .owner  = THIS_MODULE,
 115 +               .of_match_table = of_match_ptr(pcm1794a_of_match),
 116 +       },
 117 +};
 118 +
 119 +module_platform_driver(pcm1794a_component_driver);
 120 +
 121 +MODULE_DESCRIPTION("ASoC PCM1794A codec driver");
 122 +MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
 123 +MODULE_LICENSE("GPL v2");