commit 5195a4b2f95ad704d2408b7cdcbb537c362a748b
author Sungmin Choi <sungmin.choi@lge.com> Wed Apr 03 21:54:22 2013 -0700
committer Vineeta Srivastava <vsrivastava@google.com> Wed Apr 10 09:01:52 2013 -0700
tree a7bd05d0a39adc00b60c3a65a0cac2c471f43505
parent 795d21f14da4538ff4727b2df3c5cf4f70563af9

audio: enable audio using tinyalsa on MSM8974

Change-Id: I003dedd9f29de5aec1b620442aa8b3c3c7b7a816

hal/Android.mk

diff --git a/hal/Android.mk b/hal/Android.mk
index 148e66c..79685e3 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -17,6 +17,10 @@
 	libaudioroute \
 	libdl
 
+ifeq ($(TARGET_BOARD_PLATFORM), msm8974)
+LOCAL_CFLAGS += -DMSM8974
+endif
+
 LOCAL_C_INCLUDES += \
 	external/tinyalsa/include \
 	$(call include-path-for, audio-route)

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 55ab055..c5acd17 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -70,7 +70,11 @@
 
 static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
     [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0},
+#ifdef MSM8974
+    [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {15, 15},
+#else
     [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {14, 14},
+#endif
     [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1},
     [USECASE_AUDIO_RECORD] = {0, 0},
     [USECASE_AUDIO_RECORD_LOW_LATENCY] = {14, 14},

hal/audio_hw.h

diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 0ac03fa..0733e71 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -129,10 +129,18 @@
  * We should take care of returning proper size when AudioFlinger queries for
  * the buffer size of an input/output stream
  */
+#ifdef MSM8974
+#define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 1024
+#else
 #define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 960
+#endif
 #define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 8
 
+#ifdef MSM8974
+#define LOW_LATENCY_OUTPUT_PERIOD_SIZE 256
+#else
 #define LOW_LATENCY_OUTPUT_PERIOD_SIZE 240
+#endif
 #define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2
 
 #define HDMI_MULTI_PERIOD_SIZE  336