otter: Remove audio amplifier

Change-Id: I8e9f0ddc81b15b764d37f9fed1560fc343d478dc
diff --git a/BoardConfig.mk b/BoardConfig.mk
index fd539cf..e69a971 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -35,7 +35,6 @@
 
 # Audio
 AUDIO_FEATURE_ENABLED_EXTENDED_COMPRESS_FORMAT := true
-AUDIO_FEATURE_ENABLED_EXT_AMPLIFIER := true
 AUDIO_FEATURE_ENABLED_GEF_SUPPORT := true
 AUDIO_FEATURE_ENABLED_GKI := true
 AUDIO_FEATURE_ENABLED_INSTANCE_ID := true
diff --git a/audio_amplifier/.clang-format b/audio_amplifier/.clang-format
deleted file mode 120000
index 0457b53..0000000
--- a/audio_amplifier/.clang-format
+++ /dev/null
@@ -1 +0,0 @@
-../../../../build/soong/scripts/system-clang-format
\ No newline at end of file
diff --git a/audio_amplifier/Android.mk b/audio_amplifier/Android.mk
deleted file mode 100644
index dd5dc52..0000000
--- a/audio_amplifier/Android.mk
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# SPDX-FileCopyrightText: 2020-2021 The LineageOS Project
-# SPDX-License-Identifier: Apache-2.0
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := audio_amplifier.$(TARGET_BOARD_PLATFORM)
-LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_SRC_FILES := audio_amplifier.c
-LOCAL_VENDOR_MODULE := true
-
-LOCAL_C_INCLUDES += \
-    $(call include-path-for, audio-route) \
-    $(call include-path-for, audio-utils) \
-    $(call project-path-for, qcom-audio)/hal \
-    $(call project-path-for, qcom-audio)/hal/audio_extn \
-    $(call project-path-for, qcom-audio)/hal/msm8974 \
-    external/tinycompress/include
-
-LOCAL_HEADER_LIBRARIES += \
-    generated_kernel_headers \
-    libhardware_headers
-
-LOCAL_SHARED_LIBRARIES += \
-    audio.primary.$(TARGET_BOARD_PLATFORM) \
-    libcutils \
-    liblog \
-    libtinyalsa
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/audio_amplifier/audio_amplifier.c b/audio_amplifier/audio_amplifier.c
deleted file mode 100644
index 2b60b04..0000000
--- a/audio_amplifier/audio_amplifier.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2015 The CyanogenMod Project
- * SPDX-FileCopyrightText: 2020-2023 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#define LOG_TAG "audio_amplifier"
-//#define LOG_NDEBUG 0
-
-#include <cutils/str_parms.h>
-#include <hardware/audio_amplifier.h>
-#include <hardware/hardware.h>
-#include <log/log.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-/* clang-format off */
-#include "audio_hw.h"
-#include "platform.h"
-#include "platform_api.h"
-/* clang-format on */
-
-#define UNUSED __attribute__((unused))
-
-typedef struct amp_device {
-    amplifier_device_t amp_dev;
-    struct audio_device* adev;
-    struct audio_usecase* usecase_tx;
-    struct pcm* aw882xx_out;
-} aw_t;
-
-static aw_t* aw_dev = NULL;
-
-static int is_speaker(uint32_t snd_device) {
-    int speaker = 0;
-    switch (snd_device) {
-        case SND_DEVICE_OUT_SPEAKER:
-        case SND_DEVICE_OUT_SPEAKER_REVERSE:
-        case SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES:
-        case SND_DEVICE_OUT_SPEAKER_AND_LINE:
-        case SND_DEVICE_OUT_SPEAKER_AND_HDMI:
-        case SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT:
-        case SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET:
-        case SND_DEVICE_OUT_SPEAKER_AND_ANC_FB_HEADSET:
-        case SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET:
-        case SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP:
-        case SND_DEVICE_OUT_SPEAKER_AND_BT_SCO:
-        case SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB:
-        case SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_SWB:
-        case SND_DEVICE_OUT_VOICE_SPEAKER:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_2:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_STEREO:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_HFP:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_FB_HEADSET:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_HEADPHONES:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_HEADSET:
-        case SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_FB_HEADSET:
-        case SND_DEVICE_OUT_VOIP_SPEAKER:
-            speaker = 1;
-            break;
-    }
-
-    return speaker;
-}
-
-int aw882xx_start_feedback(void* adev, uint32_t snd_device) {
-    aw_dev->adev = (struct audio_device*)adev;
-    int pcm_dev_tx_id = 0, rc = 0;
-    struct pcm_config pcm_config_aw882xx = {
-            .channels = 2,
-            .rate = 48000,
-            .period_size = 256,
-            .period_count = 4,
-            .format = PCM_FORMAT_S16_LE,
-            .start_threshold = 0,
-            .stop_threshold = INT_MAX,
-            .silence_threshold = 0,
-    };
-
-    if (!aw_dev) {
-        ALOGE("%d: Invalid params", __LINE__);
-        return -EINVAL;
-    }
-
-    if (aw_dev->aw882xx_out || !is_speaker(snd_device)) return 0;
-
-    aw_dev->usecase_tx = (struct audio_usecase*)calloc(1, sizeof(struct audio_usecase));
-    if (!aw_dev->usecase_tx) {
-        ALOGE("%d: failed to allocate usecase", __LINE__);
-        return -ENOMEM;
-    }
-    aw_dev->usecase_tx->id = USECASE_AUDIO_SPKR_CALIB_TX;
-    aw_dev->usecase_tx->type = PCM_CAPTURE;
-    aw_dev->usecase_tx->in_snd_device = SND_DEVICE_IN_CAPTURE_VI_FEEDBACK;
-    list_init(&aw_dev->usecase_tx->device_list);
-
-    list_add_head(&aw_dev->adev->usecase_list, &aw_dev->usecase_tx->list);
-    enable_snd_device(aw_dev->adev, aw_dev->usecase_tx->in_snd_device);
-    enable_audio_route(aw_dev->adev, aw_dev->usecase_tx);
-
-    pcm_dev_tx_id = platform_get_pcm_device_id(aw_dev->usecase_tx->id, aw_dev->usecase_tx->type);
-    ALOGD("pcm_dev_tx_id = %d", pcm_dev_tx_id);
-    if (pcm_dev_tx_id < 0) {
-        ALOGE("%d: Invalid pcm device for usecase (%d)", __LINE__, aw_dev->usecase_tx->id);
-        rc = -ENODEV;
-        goto error;
-    }
-
-    aw_dev->aw882xx_out =
-            pcm_open(aw_dev->adev->snd_card, pcm_dev_tx_id, PCM_IN, &pcm_config_aw882xx);
-    if (!(aw_dev->aw882xx_out || pcm_is_ready(aw_dev->aw882xx_out))) {
-        ALOGE("%d: %s", __LINE__, pcm_get_error(aw_dev->aw882xx_out));
-        rc = -EIO;
-        goto error;
-    }
-
-    rc = pcm_start(aw_dev->aw882xx_out);
-    if (rc < 0) {
-        ALOGE("%d: pcm start for TX failed", __LINE__);
-        rc = -EINVAL;
-        goto error;
-    }
-    return 0;
-
-error:
-    ALOGE("%s: error case", __func__);
-    if (aw_dev->aw882xx_out != 0) {
-        pcm_close(aw_dev->aw882xx_out);
-        aw_dev->aw882xx_out = NULL;
-    }
-    list_remove(&aw_dev->usecase_tx->list);
-    disable_snd_device(aw_dev->adev, aw_dev->usecase_tx->in_snd_device);
-    disable_audio_route(aw_dev->adev, aw_dev->usecase_tx);
-    free(aw_dev->usecase_tx);
-
-    return rc;
-}
-
-void aw882xx_stop_feedback(void* adev, uint32_t snd_device) {
-    aw_dev->adev = (struct audio_device*)adev;
-    if (!aw_dev) {
-        ALOGE("%s: Invalid params", __func__);
-        return;
-    }
-
-    if (!is_speaker(snd_device)) return;
-
-    if (aw_dev->aw882xx_out) {
-        pcm_close(aw_dev->aw882xx_out);
-        aw_dev->aw882xx_out = NULL;
-    }
-
-    disable_snd_device(aw_dev->adev, SND_DEVICE_IN_CAPTURE_VI_FEEDBACK);
-
-    aw_dev->usecase_tx = get_usecase_from_list(aw_dev->adev, USECASE_AUDIO_SPKR_CALIB_TX);
-    if (aw_dev->usecase_tx) {
-        list_remove(&aw_dev->usecase_tx->list);
-        disable_audio_route(aw_dev->adev, aw_dev->usecase_tx);
-        free(aw_dev->usecase_tx);
-    }
-    return;
-}
-
-static int amp_set_feedback(UNUSED amplifier_device_t* device, void* adev, uint32_t devices,
-                            bool enable) {
-    aw_dev->adev = (struct audio_device*)adev;
-    if (enable) {
-        aw882xx_start_feedback(aw_dev->adev, devices);
-    } else {
-        aw882xx_stop_feedback(aw_dev->adev, devices);
-    }
-    return 0;
-}
-
-static int amp_dev_close(hw_device_t* device) {
-    aw_t* dev = (aw_t*)device;
-    if (dev) free(dev);
-
-    return 0;
-}
-
-static int amp_module_open(const hw_module_t* module, const char* name, hw_device_t** device) {
-    if (strcmp(name, AMPLIFIER_HARDWARE_INTERFACE)) {
-        ALOGE("%s:%d: %s does not match amplifier hardware interface name\n", __func__, __LINE__,
-              name);
-        return -ENODEV;
-    }
-
-    aw_dev = calloc(1, sizeof(aw_t));
-    if (!aw_dev) {
-        ALOGE("%s:%d: Unable to allocate memory for amplifier device\n", __func__, __LINE__);
-        return -ENOMEM;
-    }
-
-    aw_dev->amp_dev.common.tag = HARDWARE_DEVICE_TAG;
-    aw_dev->amp_dev.common.module = (hw_module_t*)module;
-    aw_dev->amp_dev.common.version = HARDWARE_DEVICE_API_VERSION(1, 0);
-    aw_dev->amp_dev.common.close = amp_dev_close;
-
-    aw_dev->amp_dev.set_input_devices = NULL;
-    aw_dev->amp_dev.set_output_devices = NULL;
-    aw_dev->amp_dev.enable_output_devices = NULL;
-    aw_dev->amp_dev.enable_input_devices = NULL;
-    aw_dev->amp_dev.set_mode = NULL;
-    aw_dev->amp_dev.output_stream_start = NULL;
-    aw_dev->amp_dev.input_stream_start = NULL;
-    aw_dev->amp_dev.output_stream_standby = NULL;
-    aw_dev->amp_dev.input_stream_standby = NULL;
-    aw_dev->amp_dev.set_parameters = NULL;
-    aw_dev->amp_dev.out_set_parameters = NULL;
-    aw_dev->amp_dev.in_set_parameters = NULL;
-    aw_dev->amp_dev.set_feedback = amp_set_feedback;
-
-    *device = (hw_device_t*)aw_dev;
-
-    return 0;
-}
-
-static struct hw_module_methods_t hal_module_methods = {
-        .open = amp_module_open,
-};
-
-/* clang-format off */
-amplifier_module_t HAL_MODULE_INFO_SYM = {
-    .common = {
-        .tag = HARDWARE_MODULE_TAG,
-        .module_api_version = AMPLIFIER_MODULE_API_VERSION_0_1,
-        .hal_api_version = HARDWARE_HAL_API_VERSION,
-        .id = AMPLIFIER_HARDWARE_MODULE_ID,
-        .name = "AW882XX audio amplifier HAL",
-        .author = "The LineageOS Project",
-        .methods = &hal_module_methods,
-    },
-};
diff --git a/device.mk b/device.mk
index 959888d..8489bfc 100644
--- a/device.mk
+++ b/device.mk
@@ -40,7 +40,6 @@
     audio.primary.lahaina \
     audio.r_submix.default \
     audio.usb.default \
-    audio_amplifier.lahaina \
     audioadsprpcd \
     liba2dpoffload \
     libbatterylistener \