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37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From be8498ee21aa0952d80f781597fcdb29954c7517 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Mon, 10 Jun 2024 16:34:00 +0100
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Subject: [PATCH 1119/1135] iqaudio-codec: Use the codec's new set_bclk_ratio
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To ensure that the CPU DAI and codec agree over the BCLK ratio, impose
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a fixed value of 64 on both of them.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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sound/soc/bcm/iqaudio-codec.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/sound/soc/bcm/iqaudio-codec.c
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+++ b/sound/soc/bcm/iqaudio-codec.c
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@@ -127,13 +127,19 @@ static int snd_rpi_iqaudio_codec_init(st
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snd_soc_dapm_disable_pin(&rtd->card->dapm, "AUX Jack");
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snd_soc_dapm_sync(&rtd->card->dapm);
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- /* Set bclk ratio to align with codec's BCLK rate */
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+ /* Impose BCLK ratios otherwise the codec may cheat */
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ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
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if (ret) {
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dev_err(rtd->dev, "Failed to set CPU BLCK ratio\n");
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return ret;
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}
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+ ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
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+ if (ret) {
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+ dev_err(rtd->dev, "Failed to set codec BCLK ratio\n");
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+ return ret;
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+ }
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+
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/* Set MCLK frequency to codec, onboard 11.2896MHz clock */
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return snd_soc_dai_set_sysclk(codec_dai, DA7213_CLKSRC_MCLK, 11289600,
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SND_SOC_CLOCK_OUT);
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