Merge "[sensors] Add parameter check to poll()"

     * If there is no sensor event when this function is being called, block

     * until there are sensor events available.

     *

     * @param  maxCount max number of samples can be returned.

     * @param  maxCount max number of samples can be returned, must be > 0.

     *         Actual number of events returned in data must be <= maxCount

     *         and > 0.

     * @return result OK on success or BAD_VALUE if maxCount <= 0.

     * @return data vector of Event contains sensor events.

     * @return dynamicSensorsAdded vector of SensorInfo contains dynamic sensor

        return Void();

    }

    std::unique_ptr<sensors_event_t[]> data(new sensors_event_t[maxCount]);

    int bufferSize = maxCount <= kPollMaxBufferSize ? maxCount : kPollMaxBufferSize;

    std::unique_ptr<sensors_event_t[]> data(new sensors_event_t[bufferSize]);

    int err = mSensorDevice->poll(

            reinterpret_cast<sensors_poll_device_t *>(mSensorDevice),

            data.get(),

            maxCount);

            data.get(), bufferSize);

    if (err < 0) {

        _hidl_cb(ResultFromStatus(err), out, dynamicSensorsAdded);

namespace V1_0 {

namespace implementation {

struct Sensors : public ::android::hardware::sensors::V1_0::ISensors {

    Sensors();

            configDirectReport_cb _hidl_cb) override;

private:

    static constexpr int32_t kPollMaxBufferSize = 128;

    status_t mInitCheck;

    sensors_module_t *mSensorModule;

    sensors_poll_device_1_t *mSensorDevice;