diff options
Diffstat (limited to 'sound/soc/mid-x86/sst_platform.c')
| -rw-r--r-- | sound/soc/mid-x86/sst_platform.c | 9 |
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) |