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77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 3a0fad11000e1533c3132e024304cbe8b4f0f826 Mon Sep 17 00:00:00 2001
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From: Johannes Krude <johannes@krude.de>
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Date: Sat, 16 Nov 2019 12:41:06 +0100
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Subject: [PATCH] sound/soc: only first codec is master in multicodec
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setup
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When using multiple codecs, at most one codec should generate the master
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clock. All codecs except the first are therefore configured for slave
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mode.
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Signed-off-by: Johannes Krude <johannes@krude.de>
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---
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sound/soc/soc-core.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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--- a/sound/soc/soc-core.c
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+++ b/sound/soc/soc-core.c
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@@ -1656,7 +1656,15 @@ int snd_soc_runtime_set_dai_fmt(struct s
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int ret;
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for_each_rtd_codec_dai(rtd, i, codec_dai) {
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- ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
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+ unsigned int codec_dai_fmt = dai_fmt;
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+
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+ // there can only be one master when using multiple codecs
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+ if (i && (codec_dai_fmt & SND_SOC_DAIFMT_MASTER_MASK)) {
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+ codec_dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
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+ codec_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
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+ }
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+
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+ ret = snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
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if (ret != 0 && ret != -ENOTSUPP) {
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dev_warn(codec_dai->dev,
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"ASoC: Failed to set DAI format: %d\n", ret);
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