[alsa-devel] [PATCH] sst_platform: add hw_free callback

[xingchao]

Signed-off-by: xingchao <xingchao.wang at 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)
-- 
1.7.1