ASoC: msm: flush if prior and current backends rate not matching
It is found that during device switch from one backend
with one sample rate to another backend with another sample rate,
the command to QDSP6 ADM which maps audio stream session to a
particular backend would not get carried out until pending
data of audio stream session from previous backend is either
read out or flushed. This scenario occurs when application
stops providing more buffers to retrieve captured data.
Remedy is to flush upon detection of rate mismatching
Change-Id: Ia9a423315435c6c80e945d2c699c0ab509152fa6
CRs-fixed: 422205
Signed-off-by: Patrick Lai <plai@codeaurora.org>
diff --git a/include/sound/q6asm.h b/include/sound/q6asm.h
index 6b4c17b..dcdd816 100644
--- a/include/sound/q6asm.h
+++ b/include/sound/q6asm.h
@@ -74,10 +74,12 @@
/* Enable Sample_Rate/Channel_Mode notification event from Decoder */
#define SR_CM_NOTIFY_ENABLE 0x0004
-#define ASYNC_IO_MODE 0x0002
-#define SYNC_IO_MODE 0x0001
-#define NO_TIMESTAMP 0xFF00
-#define SET_TIMESTAMP 0x0000
+#define TUN_WRITE_IO_MODE 0x0008 /* tunnel read write mode */
+#define TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */
+#define ASYNC_IO_MODE 0x0002
+#define SYNC_IO_MODE 0x0001
+#define NO_TIMESTAMP 0xFF00
+#define SET_TIMESTAMP 0x0000
#define SOFT_PAUSE_ENABLE 1
#define SOFT_PAUSE_DISABLE 0