diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0067-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0067-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0067-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch b/target/linux/bcm27xx/patches-5.4/950-0067-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch deleted file mode 100644 index ce6c1fa2e0..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0067-Add-support-for-Dion-Audio-LOCO-DAC-AMP-HAT.patch +++ /dev/null @@ -1,137 +0,0 @@ -From 12b182ee61ee6654c480f6643fcf818c6fe43e33 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> - -ASoC: dionaudio_loco: use modern dai_link style - -Signed-off-by: Hui Wang <hui.wang@canonical.com> ---- - sound/soc/bcm/dionaudio_loco.c | 117 +++++++++++++++++++++++++++++++++ - 1 file changed, 117 insertions(+) - create mode 100644 sound/soc/bcm/dionaudio_loco.c - ---- /dev/null -+++ b/sound/soc/bcm/dionaudio_loco.c -@@ -0,0 +1,117 @@ -+/* -+ * 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, -+}; -+ -+SND_SOC_DAILINK_DEFS(dionaudio_loco, -+ DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")), -+ DAILINK_COMP_ARRAY(COMP_CODEC("pcm5102a-codec", "pcm5102a-hifi")), -+ DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2708-i2s.0"))); -+ -+static struct snd_soc_dai_link snd_rpi_dionaudio_loco_dai[] = { -+{ -+ .name = "DionAudio LOCO", -+ .stream_name = "DionAudio LOCO DAC-AMP", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | -+ SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBS_CFS, -+ .ops = &snd_rpi_dionaudio_loco_ops, -+ SND_SOC_DAILINK_REG(dionaudio_loco), -+}, -+}; -+ -+/* 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->cpus->dai_name = NULL; -+ dai->cpus->of_node = i2s_np; -+ dai->platforms->name = NULL; -+ dai->platforms->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"); |