t0lte: user configureable voice/streaming volumes [1/2]

This uses 4 files to store the voice volume:
incall_earpiece, incall_headphone, incall_speaker, incall_bt, and 2
for streaming volume: out_speaker, out_headphone located /data/local/audio.

Change-Id: I4269dc65d48e04b5e908b20704128241683d5a80

1 files changed, 23 insertions, 3 deletions

diff --git a/audio/audio_hw.h b/audio/audio_hw.h
index a35fd5a..97c9737 100644
--- a/audio/audio_hw.h
+++ b/audio/audio_hw.h
@@ -66,9 +66,18 @@
 /* sampling rate when using VX port for wide band */
 #define VX_WB_SAMPLING_RATE 16000
 
-/* product-specific defines */
-#define PRODUCT_DEVICE_PROPERTY "ro.product.device"
-#define PRODUCT_NAME_PROPERTY   "ro.product.name"
+#define MAX_NUM_VOLUME_FILES 6
+#define AUDIO_DIR "/data/local/audio"
+
+/* in-call files */
+#define INCALL_EARPIECE "/data/local/audio/incall_earpiece"
+#define INCALL_HEADPHONE "/data/local/audio/incall_headphone"
+#define INCALL_SPEAKER "/data/local/audio/incall_speaker"
+#define INCALL_BT "/data/local/audio/incall_bt"
+
+/* out stream files */
+#define OUT_HEADPHONE "/data/local/audio/out_headphone"
+#define OUT_SPEAKER "/data/local/audio/out_speaker"
 
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
@@ -106,6 +115,15 @@ enum tty_modes {
     TTY_MODE_FULL
 };
 
+char *volume_file[MAX_NUM_VOLUME_FILES] = {
+    INCALL_EARPIECE,
+    INCALL_HEADPHONE,
+    INCALL_SPEAKER,
+    INCALL_BT,
+    OUT_HEADPHONE,
+    OUT_SPEAKER
+};
+
 /* ACDB Device ID macros */
 #define DEVICE_HANDSET_RX_ACDB_ID                       7 // HANDSET_SPKR
 #define DEVICE_HANDSET_TX_ACDB_ID                       4 // HANDSET_MIC
@@ -157,6 +175,8 @@ struct mixer_ctls
 {
     struct mixer_ctl *mixinl_in1l_volume;
     struct mixer_ctl *mixinl_in2l_volume;
+    struct mixer_ctl *speaker_volume;
+    struct mixer_ctl *headphone_volume;
 };
 
 struct route_setting