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https://git.openwrt.org/openwrt/openwrt.git
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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
83 lines
3.0 KiB
Diff
83 lines
3.0 KiB
Diff
From 797e559bc4f5b66c9b2e324a8a612a9fd6805aa1 Mon Sep 17 00:00:00 2001
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From: j-schambacher <joerg@hifiberry.com>
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Date: Wed, 28 Feb 2024 11:25:14 +0100
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Subject: [PATCH 0915/1085] ASOc: Add HiFiBerry DAC8X to the simple card driver
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Defines the settings for the 8 channel version of the standard
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DAC by overwriting the number of channels in the DAI defs.
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It can run in 8ch mode only on PI5 using the 4 lane data output
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of the designware I2S0 module.
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Signed-off-by: j-schambacher <joerg@hifiberry.com>
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---
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sound/soc/bcm/Kconfig | 5 +++--
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sound/soc/bcm/rpi-simple-soundcard.c | 33 ++++++++++++++++++++++++++++
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2 files changed, 36 insertions(+), 2 deletions(-)
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--- a/sound/soc/bcm/Kconfig
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+++ b/sound/soc/bcm/Kconfig
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@@ -40,11 +40,12 @@ config SND_BCM2708_SOC_GOOGLEVOICEHAT_SO
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Say Y or M if you want to add support for voiceHAT soundcard.
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config SND_BCM2708_SOC_HIFIBERRY_DAC
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- tristate "Support for HifiBerry DAC"
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+ tristate "Support for HifiBerry DAC and DAC8X"
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select SND_SOC_PCM5102A
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select SND_RPI_SIMPLE_SOUNDCARD
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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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+ Say Y or M if you want to add support for HifiBerry DAC and DAC8X.
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+ Note: DAC8X only works on PI5
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config SND_BCM2708_SOC_HIFIBERRY_DACPLUS
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tristate "Support for HifiBerry DAC+"
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--- a/sound/soc/bcm/rpi-simple-soundcard.c
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+++ b/sound/soc/bcm/rpi-simple-soundcard.c
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@@ -316,6 +316,37 @@ static struct snd_rpi_simple_drvdata drv
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.dai = snd_hifiberry_dac_dai,
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};
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+static int hifiberry_dac8x_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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+
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+ /* override the defaults to reflect 4 x PCM5102A on the card
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+ * and limit the sample rate to 192ksps
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+ */
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+ codec_dai->driver->playback.channels_max = 8;
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+ codec_dai->driver->playback.rates = SNDRV_PCM_RATE_8000_192000;
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+
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+ return 0;
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+}
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+
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+static struct snd_soc_dai_link snd_hifiberry_dac8x_dai[] = {
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+ {
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+ .name = "HifiBerry DAC8x",
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+ .stream_name = "HifiBerry DAC8x HiFi",
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+ .dai_fmt = SND_SOC_DAIFMT_I2S |
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+ SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBS_CFS,
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+ .init = hifiberry_dac8x_init,
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+ SND_SOC_DAILINK_REG(hifiberry_dac),
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+ },
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+};
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+
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+static struct snd_rpi_simple_drvdata drvdata_hifiberry_dac8x = {
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+ .card_name = "snd_rpi_hifiberry_dac8x",
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+ .dai = snd_hifiberry_dac8x_dai,
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+ .fixed_bclk_ratio = 64,
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+};
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+
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SND_SOC_DAILINK_DEFS(dionaudio_kiwi,
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DAILINK_COMP_ARRAY(COMP_EMPTY()),
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DAILINK_COMP_ARRAY(COMP_CODEC("pcm1794a-codec", "pcm1794a-hifi")),
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@@ -417,6 +448,8 @@ static const struct of_device_id snd_rpi
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.data = (void *) &drvdata_hifiberry_amp3 },
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{ .compatible = "hifiberry,hifiberry-dac",
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.data = (void *) &drvdata_hifiberry_dac },
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+ { .compatible = "hifiberry,hifiberry-dac8x",
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+ .data = (void *) &drvdata_hifiberry_dac8x },
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{ .compatible = "dionaudio,dionaudio-kiwi",
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.data = (void *) &drvdata_dionaudio_kiwi },
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{ .compatible = "rpi,rpi-dac", &drvdata_rpi_dac},
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