ASoC: Intel: Skylake: Use CGCTL.MISCBDCGE for Phrase detection notification
Per HW recommendation, SW shall clear the CGCTL.MISCBDCGE and set
it back once data is transferred. So clear this when we get the
IPC and track using a driver flag, and set back on closure
Signed-off-by: Dharageswari.R <dharageswari.r@intel.com>
Signed-off-by: Jayachandran B <jayachandran.b@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/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index b89ae6f..8039a04 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -25,6 +25,8 @@
#include <sound/soc.h>
#include "skl.h"
#include "skl-topology.h"
+#include "skl-sst-dsp.h"
+#include "skl-sst-ipc.h"
#define HDA_MONO 1
#define HDA_STEREO 2
@@ -272,6 +274,7 @@
struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
struct skl_dma_params *dma_params = NULL;
+ struct skl *skl = ebus_to_skl(ebus);
dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
@@ -285,6 +288,16 @@
snd_soc_dai_set_dma_data(dai, substream, NULL);
skl_set_suspend_active(substream, dai, false);
+ /*
+ * check if close is for "Reference Pin" and set back the
+ * CGCTL.MISCBDCGE if disabled by driver
+ */
+ if (!strncmp(dai->name, "Reference Pin", 13) &&
+ skl->skl_sst->miscbdcg_disabled) {
+ skl->skl_sst->enable_miscbdcge(dai->dev, true);
+ skl->skl_sst->miscbdcg_disabled = false;
+ }
+
kfree(dma_params);
}