From 64a6203322109c4bbbad043b159925fc4f156ee7 Mon Sep 17 00:00:00 2001
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From: Zain Wang <wzz@rock-chips.com>
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Date: Wed, 16 Dec 2020 16:32:36 +0800
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Subject: [PATCH] ALSA: remove prepare op in setup
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snd_pcm_prepare has run in snd_pcm_hw_params.
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ALSA Lib Version: 1.1.5
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Signed-off-by: Zain Wang <wzz@rock-chips.com>
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---
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src/alsa.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/alsa.c b/src/alsa.c
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index daf040a..e6648bf 100644
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--- a/src/alsa.c
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+++ b/src/alsa.c
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@@ -153,7 +153,7 @@ static int setup(sox_format_t * ft)
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_(snd_pcm_hw_params, (p->pcm, params)); /* Configure ALSA */
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snd_pcm_hw_params_free(params), params = NULL;
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- _(snd_pcm_prepare, (p->pcm));
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+ /* _(snd_pcm_prepare, (p->pcm)); // snd_pcm_hw_params_free has prepared */
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p->buf_len *= ft->signal.channels; /* No longer in `frames' */
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p->buf = lsx_malloc(p->buf_len * formats[p->format].bytes);
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return SOX_SUCCESS;
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--
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2.29.0
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