hal: update csd soft volume and mute controls

Update csd volume and mute controls with new apis which
takes ramp duration as a parameter. Set default mute
ramp duration to 20 ms.

Change-Id: Id8dcbc9bc12ac4e9c56962abc58b6bd1de0530a7
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 0f72a54..73e251b 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -129,7 +129,7 @@
 #define DEFAULT_OUTPUT_SAMPLING_RATE 48000
 
 #define ALL_SESSION_VSID                0xFFFFFFFF
-#define DEFAULT_MUTE_RAMP_DURATION      500
+#define DEFAULT_MUTE_RAMP_DURATION_MS   20
 #define DEFAULT_VOLUME_RAMP_DURATION_MS 20
 #define MIXER_PATH_MAX_LENGTH 100
 
@@ -230,8 +230,8 @@
 typedef int (*disable_device_t)();
 typedef int (*enable_device_config_t)(int, int);
 typedef int (*enable_device_t)(int, int, uint32_t);
-typedef int (*volume_t)(uint32_t, int);
-typedef int (*mic_mute_t)(uint32_t, int);
+typedef int (*volume_t)(uint32_t, int, uint16_t);
+typedef int (*mic_mute_t)(uint32_t, int, uint16_t);
 typedef int (*slow_talk_t)(uint32_t, uint8_t);
 typedef int (*start_voice_t)(uint32_t);
 typedef int (*stop_voice_t)(uint32_t);