sm8350-common: vibrator: remove unused led vibrator device support

vibrator/Vibrator.cpp

@@ -61,8 +61,6 @@ namespace vibrator {
 
 #define test_bit(bit, array)    ((array)[(bit)/8] & (1<<((bit)%8)))
 
-static const char LED_DEVICE[] = "/sys/class/leds/vibrator";
-
 InputFFDevice::InputFFDevice()
 {
     DIR *dp;
@@ -305,98 +303,9 @@ int InputFFDevice::playEffect(int effectId, EffectStrength es, long *playLengthM
     return play(effectId, INVALID_VALUE, playLengthMs);
 }
 
-LedVibratorDevice::LedVibratorDevice() {
-    char devicename[PATH_MAX];
-    int fd;
-
-    mDetected = false;
-
-    snprintf(devicename, sizeof(devicename), "%s/%s", LED_DEVICE, "activate");
-    fd = TEMP_FAILURE_RETRY(open(devicename, O_RDWR));
-    if (fd < 0) {
-        ALOGE("open %s failed, errno = %d", devicename, errno);
-        return;
-    }
-
-    mDetected = true;
-}
-
-int LedVibratorDevice::write_value(const char *file, const char *value) {
-    int fd;
-    int ret;
-
-    fd = TEMP_FAILURE_RETRY(open(file, O_WRONLY));
-    if (fd < 0) {
-        ALOGE("open %s failed, errno = %d", file, errno);
-        return -errno;
-    }
-
-    ret = TEMP_FAILURE_RETRY(write(fd, value, strlen(value) + 1));
-    if (ret == -1) {
-        ret = -errno;
-    } else if (ret != strlen(value) + 1) {
-        /* even though EAGAIN is an errno value that could be set
-           by write() in some cases, none of them apply here.  So, this return
-           value can be clearly identified when debugging and suggests the
-           caller that it may try to call vibrator_on() again */
-        ret = -EAGAIN;
-    } else {
-        ret = 0;
-    }
-
-    errno = 0;
-    close(fd);
-
-    return ret;
-}
-
-int LedVibratorDevice::on(int32_t timeoutMs) {
-    char file[PATH_MAX];
-    char value[32];
-    int ret;
-
-    snprintf(file, sizeof(file), "%s/%s", LED_DEVICE, "state");
-    ret = write_value(file, "1");
-    if (ret < 0)
-       goto error;
-
-    snprintf(file, sizeof(file), "%s/%s", LED_DEVICE, "duration");
-    snprintf(value, sizeof(value), "%u\n", timeoutMs);
-    ret = write_value(file, value);
-    if (ret < 0)
-       goto error;
-
-    snprintf(file, sizeof(file), "%s/%s", LED_DEVICE, "activate");
-    ret = write_value(file, "1");
-    if (ret < 0)
-       goto error;
-
-    return 0;
-
-error:
-    ALOGE("Failed to turn on vibrator ret: %d\n", ret);
-    return ret;
-}
-
-int LedVibratorDevice::off()
-{
-    char file[PATH_MAX];
-    int ret;
-
-    snprintf(file, sizeof(file), "%s/%s", LED_DEVICE, "activate");
-    ret = write_value(file, "0");
-    return ret;
-}
-
 ndk::ScopedAStatus Vibrator::getCapabilities(int32_t* _aidl_return) {
     *_aidl_return = IVibrator::CAP_ON_CALLBACK;
 
-    if (ledVib.mDetected) {
-        *_aidl_return |= IVibrator::CAP_PERFORM_CALLBACK;
-        ALOGD("QTI Vibrator reporting capabilities: %d", *_aidl_return);
-        return ndk::ScopedAStatus::ok();
-    }
-
     if (ff.mSupportGain)
         *_aidl_return |= IVibrator::CAP_AMPLITUDE_CONTROL;
     if (ff.mSupportEffects)
@@ -412,10 +321,8 @@ ndk::ScopedAStatus Vibrator::off() {
     int ret;
 
     ALOGD("QTI Vibrator off");
-    if (ledVib.mDetected)
-        ret = ledVib.off();
-    else
-        ret = ff.off();
+
+    ret = ff.off();
     if (ret != 0)
         return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_SERVICE_SPECIFIC));
 
@@ -427,11 +334,8 @@ ndk::ScopedAStatus Vibrator::on(int32_t timeoutMs,
     int ret;
 
     ALOGD("Vibrator on for timeoutMs: %d", timeoutMs);
-    if (ledVib.mDetected)
-        ret = ledVib.on(timeoutMs);
-    else
-        ret = ff.on(timeoutMs);
 
+    ret = ff.on(timeoutMs);
     if (ret != 0)
         return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_SERVICE_SPECIFIC));
 
@@ -453,9 +357,6 @@ ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength es, const std
     long playLengthMs;
     int ret;
 
-    if (ledVib.mDetected)
-        return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));
-
     ALOGD("Vibrator perform effect %d", effect);
 
     if (effect < Effect::CLICK ||
@@ -483,9 +384,6 @@ ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength es, const std
 }
 
 ndk::ScopedAStatus Vibrator::getSupportedEffects(std::vector<Effect>* _aidl_return) {
-    if (ledVib.mDetected)
-        return ndk::ScopedAStatus::ok();
-
     *_aidl_return = {Effect::CLICK, Effect::DOUBLE_CLICK, Effect::TICK, Effect::THUD,
                      Effect::POP, Effect::HEAVY_CLICK};
 
@@ -496,9 +394,6 @@ ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) {
     uint8_t tmp;
     int ret;
 
-    if (ledVib.mDetected)
-        return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));
-
     ALOGD("Vibrator set amplitude: %f", amplitude);
 
     if (amplitude <= 0.0f || amplitude > 1.0f)
@@ -516,9 +411,6 @@ ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) {
 }
 
 ndk::ScopedAStatus Vibrator::setExternalControl(bool enabled) {
-    if (ledVib.mDetected)
-        return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));
-
     ALOGD("Vibrator set external control: %d", enabled);
     if (!ff.mSupportExternalControl)
         return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));

vibrator/include/Vibrator.h

@@ -54,20 +54,9 @@ private:
     int16_t mCurrMagnitude;
 };
 
-class LedVibratorDevice {
-public:
-    LedVibratorDevice();
-    int on(int32_t timeoutMs);
-    int off();
-    bool mDetected;
-private:
-    int write_value(const char *file, const char *value);
-};
-
 class Vibrator : public BnVibrator {
 public:
     class InputFFDevice ff;
-    class LedVibratorDevice ledVib;
     ndk::ScopedAStatus getCapabilities(int32_t* _aidl_return) override;
     ndk::ScopedAStatus off() override;
     ndk::ScopedAStatus on(int32_t timeoutMs,