hal: Add changes for dolby DS2
-Add device to back end mapping for APQ8084 and MSM8994.
-Set initialization info like sound card number, dmid
to ds2 dap hal.
-Add mixer control DS2 OnOff to enable or disable DS2
-A property "audio.dolby.ds2.enabled" is added to trigger
the mixer control.
-Reuse ds1 functions for checking dolby format and getting
sound codec id.
CRs-Fixed: 661095 661018
Conflicts:
hal/audio_hw.c
hal/msm8916/platform.c
Change-Id: Iff5fdc49249eb035c2ccde18e190ccc6c3ff632a
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 520b27b..600493a 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -92,5 +92,6 @@
int platform_get_usecase_index(const char * usecase);
int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id);
void platform_set_echo_reference(void *platform, bool enable);
+void platform_get_device_to_be_id_map(int **be_id_map, int *length);
#endif // AUDIO_PLATFORM_API_H