From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/sound/core/pcm_dmaengine.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/kernel/sound/core/pcm_dmaengine.c b/kernel/sound/core/pcm_dmaengine.c
index 02d3fb4..587489a 100644
--- a/kernel/sound/core/pcm_dmaengine.c
+++ b/kernel/sound/core/pcm_dmaengine.c
@@ -27,6 +27,7 @@
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+#include "pcm_local.h"
struct dmaengine_pcm_runtime_data {
struct dma_chan *dma_chan;
@@ -140,11 +141,20 @@
static void dmaengine_pcm_dma_complete(void *arg)
{
struct snd_pcm_substream *substream = arg;
- struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dmaengine_pcm_runtime_data *prtd;
+
+ snd_pcm_stream_lock_irq(substream);
+ if (PCM_RUNTIME_CHECK(substream)) {
+ snd_pcm_stream_unlock_irq(substream);
+ return;
+ }
+
+ prtd = substream_to_prtd(substream);
prtd->pos += snd_pcm_lib_period_bytes(substream);
if (prtd->pos >= snd_pcm_lib_buffer_bytes(substream))
prtd->pos = 0;
+ snd_pcm_stream_unlock_irq(substream);
snd_pcm_period_elapsed(substream);
}
--
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