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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:16:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:16:07 +0000
commit6b427072c86d5df3f3ee861826cfbd9f08306aff (patch)
treea0d639ae6079e84a6b0ff97c38f30fae8693a285 /sound/core/pcm_dmaengine.c
parentAdding debian version 6.9.10-1. (diff)
downloadlinux-6b427072c86d5df3f3ee861826cfbd9f08306aff.tar.xz
linux-6b427072c86d5df3f3ee861826cfbd9f08306aff.zip
Merging upstream version 6.9.11.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/core/pcm_dmaengine.c')
-rw-r--r--sound/core/pcm_dmaengine.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 494ec0c207..e299e86347 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -349,6 +349,16 @@ int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan);
+int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream)
+{
+ struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+
+ dmaengine_synchronize(prtd->dma_chan);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_sync_stop);
+
/**
* snd_dmaengine_pcm_close - Close a dmaengine based PCM substream
* @substream: PCM substream
@@ -358,6 +368,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan);
int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream)
{
struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dma_tx_state state;
+ enum dma_status status;
+
+ status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+ if (status == DMA_PAUSED)
+ dmaengine_terminate_async(prtd->dma_chan);
dmaengine_synchronize(prtd->dma_chan);
kfree(prtd);
@@ -378,6 +394,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_close);
int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream)
{
struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dma_tx_state state;
+ enum dma_status status;
+
+ status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+ if (status == DMA_PAUSED)
+ dmaengine_terminate_async(prtd->dma_chan);
dmaengine_synchronize(prtd->dma_chan);
dma_release_channel(prtd->dma_chan);