From: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Date: Thu, 30 Oct 2014 10:50:58 +0000 (+0530)
Subject: ASoC: mfld-compress: implement .power callback
X-Git-Tag: v4.14-rc1~6228^2~38^2~16^3~28
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fdcc4a039f0263f4674e363ebed14783b2f0543d;p=platform%2Fkernel%2Flinux-rpi.git

ASoC: mfld-compress: implement .power callback

.power callback is required to invoked for compressed audio as well to turn
on/off sst, so invoke them

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/sst-mfld-platform-compress.c b/sound/soc/intel/sst-mfld-platform-compress.c
index 59467775..3951689 100644
--- a/sound/soc/intel/sst-mfld-platform-compress.c
+++ b/sound/soc/intel/sst-mfld-platform-compress.c
@@ -67,8 +67,11 @@ static int sst_platform_compr_open(struct snd_compr_stream *cstream)
 		goto out_ops;
 	}
 	stream->compr_ops = sst->compr_ops;
-
 	stream->id = 0;
+
+	/* Turn on LPE */
+	sst->compr_ops->power(sst->dev, true);
+
 	sst_set_stream_status(stream, SST_PLATFORM_INIT);
 	runtime->private_data = stream;
 	return 0;
@@ -83,6 +86,9 @@ static int sst_platform_compr_free(struct snd_compr_stream *cstream)
 	int ret_val = 0, str_id;
 
 	stream = cstream->runtime->private_data;
+	/* Turn off LPE */
+	sst->compr_ops->power(sst->dev, false);
+
 	/*need to check*/
 	str_id = stream->id;
 	if (str_id)
diff --git a/sound/soc/intel/sst-mfld-platform.h b/sound/soc/intel/sst-mfld-platform.h
index d41d1c3..79c8d12 100644
--- a/sound/soc/intel/sst-mfld-platform.h
+++ b/sound/soc/intel/sst-mfld-platform.h
@@ -117,6 +117,7 @@ struct compress_sst_ops {
 	int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
 	int (*set_metadata)(struct device *dev,	unsigned int str_id,
 			struct snd_compr_metadata *mdata);
+	int (*power)(struct device *dev, bool state);
 };
 
 struct sst_ops {