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https://github.com/openwrt/openwrt.git
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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
273 lines
8.1 KiB
Diff
273 lines
8.1 KiB
Diff
From 69baa142d45454f74dddff0863a6432fe0664b5e 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 065/454] ASoC: Add support for Rpi-DAC
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---
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sound/soc/bcm/Kconfig | 7 +++
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sound/soc/bcm/Makefile | 2 +
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sound/soc/bcm/rpi-dac.c | 119 ++++++++++++++++++++++++++++++++++++
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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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6 files changed, 204 insertions(+)
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create mode 100644 sound/soc/bcm/rpi-dac.c
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create mode 100644 sound/soc/codecs/pcm1794a.c
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--- a/sound/soc/bcm/Kconfig
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+++ b/sound/soc/bcm/Kconfig
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@@ -24,3 +24,10 @@ config SND_BCM2708_SOC_HIFIBERRY_DAC
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select SND_SOC_PCM5102A
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help
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Say Y or M if you want to add support for HifiBerry DAC.
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+
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+config SND_BCM2708_SOC_RPI_DAC
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+ tristate "Support for RPi-DAC"
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+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
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+ select SND_SOC_PCM1794A
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+ help
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+ Say Y or M if you want to add support for RPi-DAC.
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--- a/sound/soc/bcm/Makefile
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+++ b/sound/soc/bcm/Makefile
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@@ -10,5 +10,7 @@ obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-
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# BCM2708 Machine Support
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snd-soc-hifiberry-dac-objs := hifiberry_dac.o
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+snd-soc-rpi-dac-objs := rpi-dac.o
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obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
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+obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o
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--- /dev/null
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+++ b/sound/soc/bcm/rpi-dac.c
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@@ -0,0 +1,119 @@
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+/*
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+ * ASoC Driver for RPi-DAC.
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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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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+
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+#include <sound/core.h>
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+#include <sound/pcm.h>
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+#include <sound/pcm_params.h>
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+#include <sound/soc.h>
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+#include <sound/jack.h>
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+
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+static int snd_rpi_rpi_dac_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ return 0;
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+}
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+
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+static int snd_rpi_rpi_dac_hw_params(struct snd_pcm_substream *substream,
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+ struct snd_pcm_hw_params *params)
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+{
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+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
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+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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+
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+ return snd_soc_dai_set_bclk_ratio(cpu_dai, 32*2);
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+}
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+
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+/* machine stream operations */
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+static struct snd_soc_ops snd_rpi_rpi_dac_ops = {
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+ .hw_params = snd_rpi_rpi_dac_hw_params,
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+};
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+
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+static struct snd_soc_dai_link snd_rpi_rpi_dac_dai[] = {
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+{
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+ .name = "RPi-DAC",
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+ .stream_name = "RPi-DAC HiFi",
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+ .cpu_dai_name = "bcm2708-i2s.0",
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+ .codec_dai_name = "pcm1794a-hifi",
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+ .platform_name = "bcm2708-i2s.0",
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+ .codec_name = "pcm1794a-codec",
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+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBS_CFS,
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+ .ops = &snd_rpi_rpi_dac_ops,
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+ .init = snd_rpi_rpi_dac_init,
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+},
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+};
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+
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+/* audio machine driver */
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+static struct snd_soc_card snd_rpi_rpi_dac = {
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+ .name = "snd_rpi_rpi_dac",
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+ .owner = THIS_MODULE,
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+ .dai_link = snd_rpi_rpi_dac_dai,
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+ .num_links = ARRAY_SIZE(snd_rpi_rpi_dac_dai),
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+};
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+
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+static int snd_rpi_rpi_dac_probe(struct platform_device *pdev)
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+{
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+ int ret = 0;
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+
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+ snd_rpi_rpi_dac.dev = &pdev->dev;
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+
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+ if (pdev->dev.of_node) {
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+ struct device_node *i2s_node;
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+ struct snd_soc_dai_link *dai = &snd_rpi_rpi_dac_dai[0];
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+ i2s_node = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0);
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+
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+ if (i2s_node) {
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+ dai->cpu_dai_name = NULL;
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+ dai->cpu_of_node = i2s_node;
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+ dai->platform_name = NULL;
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+ dai->platform_of_node = i2s_node;
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+ }
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+ }
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+
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+ ret = snd_soc_register_card(&snd_rpi_rpi_dac);
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+ if (ret && ret != -EPROBE_DEFER)
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+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
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+
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+ return ret;
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+}
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+
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+static int snd_rpi_rpi_dac_remove(struct platform_device *pdev)
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+{
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+ return snd_soc_unregister_card(&snd_rpi_rpi_dac);
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+}
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+
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+static const struct of_device_id snd_rpi_rpi_dac_of_match[] = {
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+ { .compatible = "rpi,rpi-dac", },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, snd_rpi_rpi_dac_of_match);
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+
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+static struct platform_driver snd_rpi_rpi_dac_driver = {
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+ .driver = {
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+ .name = "snd-rpi-dac",
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+ .owner = THIS_MODULE,
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+ .of_match_table = snd_rpi_rpi_dac_of_match,
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+ },
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+ .probe = snd_rpi_rpi_dac_probe,
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+ .remove = snd_rpi_rpi_dac_remove,
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+};
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+
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+module_platform_driver(snd_rpi_rpi_dac_driver);
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+
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+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
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+MODULE_DESCRIPTION("ASoC Driver for RPi-DAC");
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+MODULE_LICENSE("GPL v2");
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -109,6 +109,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_PCM1681 if I2C
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select SND_SOC_PCM179X_I2C if I2C
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select SND_SOC_PCM179X_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_PCM3168A_I2C if I2C
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select SND_SOC_PCM3168A_SPI if SPI_MASTER
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@@ -753,6 +754,10 @@ 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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@@ -105,6 +105,7 @@ snd-soc-pcm1681-objs := pcm1681.o
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snd-soc-pcm179x-codec-objs := pcm179x.o
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snd-soc-pcm179x-i2c-objs := pcm179x-i2c.o
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snd-soc-pcm179x-spi-objs := pcm179x-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-pcm3168a-objs := pcm3168a.o
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snd-soc-pcm3168a-i2c-objs := pcm3168a-i2c.o
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@@ -353,6 +354,7 @@ obj-$(CONFIG_SND_SOC_PCM5102A) += snd-so
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obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
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obj-$(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_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_RT274) += snd-soc-rt274.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_codec_driver soc_codec_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_codec(&pdev->dev, &soc_codec_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_codec(&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_codec_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_codec_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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