Signed-off-by: xingchao xingchao.wang@intel.com --- sound/soc/mid-x86/sst_platform.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/sound/soc/mid-x86/sst_platform.c b/sound/soc/mid-x86/sst_platform.c index 9765fb8..5a946b4 100644 --- a/sound/soc/mid-x86/sst_platform.c +++ b/sound/soc/mid-x86/sst_platform.c @@ -380,6 +380,11 @@ static int sst_platform_pcm_hw_params(struct snd_pcm_substream *substream, return 0; }

+static int sst_platform_pcm_hw_free(struct snd_pcm_substream *substream) +{ + return snd_pcm_lib_free_pages(substream); +} + static struct snd_pcm_ops sst_platform_ops = { .open = sst_platform_open, .close = sst_platform_close, @@ -388,6 +393,7 @@ static struct snd_pcm_ops sst_platform_ops = { .trigger = sst_platform_pcm_trigger, .pointer = sst_platform_pcm_pointer, .hw_params = sst_platform_pcm_hw_params, + .hw_free = sst_platform_pcm_hw_free, };

static void sst_pcm_free(struct snd_pcm *pcm)