brcm2708: update to latest patches from RPi Foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0065-ASoC-Add-support-for-Rpi-DAC.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0065-ASoC-Add-support-for-Rpi-DAC.patch b/target/linux/brcm2708/patches-4.19/950-0065-ASoC-Add-support-for-Rpi-DAC.patch
new file mode 100644 (file)
index 0000000..6eab0b5
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0065-ASoC-Add-support-for-Rpi-DAC.patch
@@ -0,0 +1,123 @@
+From 13ddc845b271d7cc79bcbdd288f95c03ea927b89 Mon Sep 17 00:00:00 2001
+From: Florian Meier <florian.meier@koalo.de>
+Date: Mon, 25 Jan 2016 15:48:59 +0000
+Subject: [PATCH] ASoC: Add support for Rpi-DAC
+
+---
+ sound/soc/codecs/Kconfig    |  5 +++
+ sound/soc/codecs/Makefile   |  2 ++
+ sound/soc/codecs/pcm1794a.c | 69 +++++++++++++++++++++++++++++++++++++
+ 3 files changed, 76 insertions(+)
+ create mode 100644 sound/soc/codecs/pcm1794a.c
+
+--- a/sound/soc/codecs/Kconfig
++++ b/sound/soc/codecs/Kconfig
+@@ -118,6 +118,7 @@ config SND_SOC_ALL_CODECS
+       select SND_SOC_PCM179X_SPI if SPI_MASTER
+       select SND_SOC_PCM186X_I2C if I2C
+       select SND_SOC_PCM186X_SPI if SPI_MASTER
++      select SND_SOC_PCM1794A if I2C
+       select SND_SOC_PCM3008
+       select SND_SOC_PCM3168A_I2C if I2C
+       select SND_SOC_PCM3168A_SPI if SPI_MASTER
+@@ -834,6 +835,10 @@ config SND_SOC_RT5616
+       tristate "Realtek RT5616 CODEC"
+       depends on I2C
+ 
++config SND_SOC_PCM1794A
++      tristate
++      depends on I2C
++
+ config SND_SOC_RT5631
+       tristate "Realtek ALC5631/RT5631 CODEC"
+       depends on I2C
+--- a/sound/soc/codecs/Makefile
++++ b/sound/soc/codecs/Makefile
+@@ -118,6 +118,7 @@ snd-soc-pcm179x-spi-objs := pcm179x-spi.
+ snd-soc-pcm186x-objs := pcm186x.o
+ snd-soc-pcm186x-i2c-objs := pcm186x-i2c.o
+ snd-soc-pcm186x-spi-objs := pcm186x-spi.o
++snd-soc-pcm1794a-objs := pcm1794a.o
+ snd-soc-pcm3008-objs := pcm3008.o
+ snd-soc-pcm3168a-objs := pcm3168a.o
+ snd-soc-pcm3168a-i2c-objs := pcm3168a-i2c.o
+@@ -386,6 +387,7 @@ obj-$(CONFIG_SND_SOC_PCM5102A)     += snd-so
+ obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
+ obj-$(CONFIG_SND_SOC_PCM512x_I2C)     += snd-soc-pcm512x-i2c.o
+ obj-$(CONFIG_SND_SOC_PCM512x_SPI)     += snd-soc-pcm512x-spi.o
++obj-$(CONFIG_SND_SOC_PCM1794A)        += snd-soc-pcm1794a.o
+ obj-$(CONFIG_SND_SOC_RL6231)  += snd-soc-rl6231.o
+ obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
+ obj-$(CONFIG_SND_SOC_RT1305)  += snd-soc-rt1305.o
+--- /dev/null
++++ b/sound/soc/codecs/pcm1794a.c
+@@ -0,0 +1,69 @@
++/*
++ * Driver for the PCM1794A codec
++ *
++ * Author:    Florian Meier <florian.meier@koalo.de>
++ *            Copyright 2013
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License
++ * version 2 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.
++ */
++
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++
++#include <sound/soc.h>
++
++static struct snd_soc_dai_driver pcm1794a_dai = {
++      .name = "pcm1794a-hifi",
++      .playback = {
++              .channels_min = 2,
++              .channels_max = 2,
++              .rates = SNDRV_PCM_RATE_8000_192000,
++              .formats = SNDRV_PCM_FMTBIT_S16_LE |
++                         SNDRV_PCM_FMTBIT_S24_LE
++      },
++};
++
++static struct snd_soc_component_driver soc_component_dev_pcm1794a;
++
++static int pcm1794a_probe(struct platform_device *pdev)
++{
++      return snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm1794a,
++                      &pcm1794a_dai, 1);
++}
++
++static int pcm1794a_remove(struct platform_device *pdev)
++{
++      snd_soc_unregister_component(&pdev->dev);
++      return 0;
++}
++
++static const struct of_device_id pcm1794a_of_match[] = {
++      { .compatible = "ti,pcm1794a", },
++      { }
++};
++MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
++
++static struct platform_driver pcm1794a_component_driver = {
++      .probe          = pcm1794a_probe,
++      .remove         = pcm1794a_remove,
++      .driver         = {
++              .name   = "pcm1794a-codec",
++              .owner  = THIS_MODULE,
++              .of_match_table = of_match_ptr(pcm1794a_of_match),
++      },
++};
++
++module_platform_driver(pcm1794a_component_driver);
++
++MODULE_DESCRIPTION("ASoC PCM1794A codec driver");
++MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
++MODULE_LICENSE("GPL v2");