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Commit 8c03e67b authored by David Lin's avatar David Lin
Browse files

hal: add usb audio tunnel support 



This patch imports the USB audio tunnel feature from QCOM software release
AU_LINUX_ANDROID_LA.UM.5.7.R1.07.00.00.253.

Bug: 33030406
Test: playback, record and path switching

Change-Id: I2479f984c0d72b2f4e9b6a7db22eb4616855b7e7
Signed-off-by: default avatarDavid Lin <dtwlin@google.com>
parent 240fc432

hal/Android.mk

+5 −0
Original line number Diff line number Diff line
@@ -74,6 +74,11 @@ ifdef MULTIPLE_HW_VARIANTS_ENABLED 
  LOCAL_SRC_FILES +=  $(AUDIO_PLATFORM)/hw_info.c

endif



ifeq ($(strip $(AUDIO_FEATURE_ENABLED_USB_TUNNEL)),true)

    LOCAL_CFLAGS += -DUSB_TUNNEL_ENABLED

    LOCAL_SRC_FILES += audio_extn/usb.c

endif



LOCAL_SHARED_LIBRARIES := \

	liblog \

	libcutils \

hal/audio_extn/audio_extn.h

+25 −0
Original line number Diff line number Diff line
@@ -70,6 +70,31 @@ int audio_extn_hfp_set_mic_mute(struct audio_device *adev, bool state); 


#endif



#ifndef USB_TUNNEL_ENABLED

#define audio_extn_usb_init(adev)                                      (0)

#define audio_extn_usb_deinit()                                        (0)

#define audio_extn_usb_add_device(device, card)                        (0)

#define audio_extn_usb_remove_device(device, card)                     (0)

#define audio_extn_usb_is_config_supported(bit_width, sample_rate, ch, pb) (false)

#define audio_extn_usb_enable_sidetone(device, enable)                 (0)

#define audio_extn_usb_set_sidetone_gain(parms, value, len)            (0)

#define audio_extn_usb_is_capture_supported()                          (false)

#else

void audio_extn_usb_init(void *adev);

void audio_extn_usb_deinit();

void audio_extn_usb_add_device(audio_devices_t device, int card);

void audio_extn_usb_remove_device(audio_devices_t device, int card);

bool audio_extn_usb_is_config_supported(unsigned int *bit_width,

                                        unsigned int *sample_rate,

                                        unsigned int *ch,

                                        bool is_playback);

int audio_extn_usb_enable_sidetone(int device, bool enable);

int audio_extn_usb_set_sidetone_gain(struct str_parms *parms,

                                     char *value, int len);

bool audio_extn_usb_is_capture_supported();

#endif





#ifndef SOUND_TRIGGER_ENABLED

#define audio_extn_sound_trigger_init(adev)                            (0)

#define audio_extn_sound_trigger_deinit(adev)                          (0)