brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0074-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0074-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch b/target/linux/brcm2708/patches-4.19/950-0074-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch
deleted file mode 100644 (file)
index de72049..0000000
+++ /dev/null
@@ -1,131 +0,0 @@
-From 234b6a3cfd5bc1fb341c01f8ac773956f5af42cd Mon Sep 17 00:00:00 2001
-From: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
-Date: Sat, 2 Jul 2016 16:26:19 +0100
-Subject: [PATCH] Add support for Dion Audio LOCO DAC-AMP HAT
-
-Using dedicated machine driver and pcm5102a codec driver.
-
-Signed-off-by: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
----
- sound/soc/bcm/dionaudio_loco.c | 115 +++++++++++++++++++++++++++++++++
- 1 file changed, 115 insertions(+)
- create mode 100644 sound/soc/bcm/dionaudio_loco.c
-
---- /dev/null
-+++ b/sound/soc/bcm/dionaudio_loco.c
-@@ -0,0 +1,115 @@
-+/*
-+ * ASoC Driver for Dion Audio LOCO DAC-AMP
-+ *
-+ * Author:      Miquel Blauw <info@dionaudio.nl>
-+ *              Copyright 2016
-+ *
-+ * Based on the software of the RPi-DAC writen by Florian Meier
-+ *
-+ * 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/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc.h>
-+#include <sound/jack.h>
-+
-+static int snd_rpi_dionaudio_loco_hw_params(
-+      struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
-+{
-+      struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+      struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-+
-+      unsigned int sample_bits =
-+              snd_pcm_format_physical_width(params_format(params));
-+
-+      return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_dionaudio_loco_ops = {
-+      .hw_params = snd_rpi_dionaudio_loco_hw_params,
-+};
-+
-+static struct snd_soc_dai_link snd_rpi_dionaudio_loco_dai[] = {
-+{
-+      .name           = "DionAudio LOCO",
-+      .stream_name    = "DionAudio LOCO DAC-AMP",
-+      .cpu_dai_name   = "bcm2708-i2s.0",
-+      .codec_dai_name = "pcm5102a-hifi",
-+      .platform_name  = "bcm2708-i2s.0",
-+      .codec_name     = "pcm5102a-codec",
-+      .dai_fmt        = SND_SOC_DAIFMT_I2S |
-+                        SND_SOC_DAIFMT_NB_NF |
-+                        SND_SOC_DAIFMT_CBS_CFS,
-+      .ops            = &snd_rpi_dionaudio_loco_ops,
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_dionaudio_loco = {
-+      .name           = "snd_rpi_dionaudio_loco",
-+      .dai_link       = snd_rpi_dionaudio_loco_dai,
-+      .num_links      = ARRAY_SIZE(snd_rpi_dionaudio_loco_dai),
-+};
-+
-+static int snd_rpi_dionaudio_loco_probe(struct platform_device *pdev)
-+{
-+      struct device_node *np;
-+      int ret = 0;
-+
-+      snd_rpi_dionaudio_loco.dev = &pdev->dev;
-+
-+      np = pdev->dev.of_node;
-+      if (np) {
-+              struct snd_soc_dai_link *dai = &snd_rpi_dionaudio_loco_dai[0];
-+              struct device_node *i2s_np;
-+
-+              i2s_np = of_parse_phandle(np, "i2s-controller", 0);
-+              if (i2s_np) {
-+                      dai->cpu_dai_name = NULL;
-+                      dai->cpu_of_node = i2s_np;
-+                      dai->platform_name = NULL;
-+                      dai->platform_of_node = i2s_np;
-+              }
-+      }
-+
-+      ret = devm_snd_soc_register_card(&pdev->dev, &snd_rpi_dionaudio_loco);
-+      if (ret && ret != -EPROBE_DEFER)
-+              dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
-+                      ret);
-+
-+      return ret;
-+}
-+
-+static const struct of_device_id snd_rpi_dionaudio_loco_of_match[] = {
-+      { .compatible = "dionaudio,loco-pcm5242-tpa3118", },
-+      { /* sentinel */ },
-+};
-+MODULE_DEVICE_TABLE(of, snd_rpi_dionaudio_loco_of_match);
-+
-+static struct platform_driver snd_rpi_dionaudio_loco_driver = {
-+      .driver = {
-+              .name           = "snd-dionaudio-loco",
-+              .owner          = THIS_MODULE,
-+              .of_match_table = snd_rpi_dionaudio_loco_of_match,
-+      },
-+      .probe  = snd_rpi_dionaudio_loco_probe,
-+};
-+
-+module_platform_driver(snd_rpi_dionaudio_loco_driver);
-+
-+MODULE_AUTHOR("Miquel Blauw <info@dionaudio.nl>");
-+MODULE_DESCRIPTION("ASoC Driver for DionAudio LOCO");
-+MODULE_LICENSE("GPL v2");