From: Vinod Koul <vinod.koul@intel.com>
Date: Thu, 12 Feb 2015 04:29:56 +0000 (+0530)
Subject: ASoC: Intel: add support for pause and resume in sst
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e0b87d476bc13fc55e7000a84cd1d87c8fdc1f2f;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ASoC: Intel: add support for pause and resume in sst

This adds missing pcm pause and resume ops in the driver

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/sst/sst_drv_interface.c b/sound/soc/intel/sst/sst_drv_interface.c
index 5f75ef3cdd22..5d56fcdd58d8 100644
--- a/sound/soc/intel/sst/sst_drv_interface.c
+++ b/sound/soc/intel/sst/sst_drv_interface.c
@@ -572,6 +572,35 @@ static int sst_stream_drop(struct device *dev, int str_id)
 	return sst_drop_stream(ctx, str_id);
 }
 
+static int sst_stream_pause(struct device *dev, int str_id)
+{
+	struct stream_info *str_info;
+	struct intel_sst_drv *ctx = dev_get_drvdata(dev);
+
+	if (ctx->sst_state != SST_FW_RUNNING)
+		return 0;
+
+	str_info = get_stream_info(ctx, str_id);
+	if (!str_info)
+		return -EINVAL;
+
+	return sst_pause_stream(ctx, str_id);
+}
+
+static int sst_stream_resume(struct device *dev, int str_id)
+{
+	struct stream_info *str_info;
+	struct intel_sst_drv *ctx = dev_get_drvdata(dev);
+
+	if (ctx->sst_state != SST_FW_RUNNING)
+		return 0;
+
+	str_info = get_stream_info(ctx, str_id);
+	if (!str_info)
+		return -EINVAL;
+	return sst_resume_stream(ctx, str_id);
+}
+
 static int sst_stream_init(struct device *dev, struct pcm_stream_info *str_info)
 {
 	int str_id = 0;
@@ -633,6 +662,8 @@ static struct sst_ops pcm_ops = {
 	.stream_init = sst_stream_init,
 	.stream_start = sst_stream_start,
 	.stream_drop = sst_stream_drop,
+	.stream_pause = sst_stream_pause,
+	.stream_pause_release = sst_stream_resume,
 	.stream_read_tstamp = sst_read_timestamp,
 	.send_byte_stream = sst_send_byte_stream,
 	.close = sst_close_pcm_stream,