34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
From 9426050937d6fc2ba5045054a73d6a14d88ad65d Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megi@xff.cz>
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Date: Sat, 27 Aug 2022 20:48:32 +0200
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Subject: [PATCH 363/391] ASoC: codec: rt5640: Resolve failure to set DMIC
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clock after playback
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rt5640_set_dai_sysclk is called with freq == 0 when playback stops. This
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causes DMIC setup code to fail. I2S interface doesn't need to be active
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for codec to work, so don't clear rt5640->sysclk after rt5640_set_dai_sysclk
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is called with freq == 0.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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sound/soc/codecs/rt5640.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
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index 814466086..9b8d84c99 100644
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--- a/sound/soc/codecs/rt5640.c
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+++ b/sound/soc/codecs/rt5640.c
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@@ -1840,6 +1840,9 @@ static int rt5640_set_dai_sysclk(struct snd_soc_dai *dai,
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unsigned int reg_val = 0;
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unsigned int pll_bit = 0;
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+ if (freq == 0)
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+ return 0;
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+
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switch (clk_id) {
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case RT5640_SCLK_S_MCLK:
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reg_val |= RT5640_SCLK_SRC_MCLK;
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--
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2.35.3
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