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-rw-r--r--sound/soc/mid-x86/sst_platform.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/mid-x86/sst_platform.c b/sound/soc/mid-x86/sst_platform.c
index 96e6e9c9c5f4..ee2c22475a76 100644
--- a/sound/soc/mid-x86/sst_platform.c
+++ b/sound/soc/mid-x86/sst_platform.c
@@ -365,6 +365,14 @@ static snd_pcm_uframes_t sst_platform_pcm_pointer
return stream->stream_info.buffer_ptr;
}
+static int sst_platform_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
+ memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
+
+ return 0;
+}
static struct snd_pcm_ops sst_platform_ops = {
.open = sst_platform_open,
@@ -373,6 +381,7 @@ static struct snd_pcm_ops sst_platform_ops = {
.prepare = sst_platform_pcm_prepare,
.trigger = sst_platform_pcm_trigger,
.pointer = sst_platform_pcm_pointer,
+ .hw_params = sst_platform_pcm_hw_params,
};
static void sst_pcm_free(struct snd_pcm *pcm)