ASoC: sst_platform: unregister sst card when being closed

Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/soc/mid-x86/sst_platform.c b/sound/soc/mid-x86/sst_platform.c
index 848ad3ce732..9ba941447d4 100644
--- a/sound/soc/mid-x86/sst_platform.c
+++ b/sound/soc/mid-x86/sst_platform.c
@@ -271,6 +271,7 @@ static int sst_platform_close(struct snd_pcm_substream *substream)
         str_id = stream->stream_info.str_id;
         if (str_id)
                 ret_val = stream->sstdrv_ops->pcm_control->close(str_id);
+        unregister_sst_card(stream->sstdrv_ops);
         kfree(stream->sstdrv_ops);
         kfree(stream);
         return ret_val;