remove robby sensor codeHEADandroid-wear-p-preview-2android-wear-o-preview-4android-wear-o-preview-3android-wear-n-preview-3android-wear-n-preview-2android-wear-n-preview-1android-wear-9.0.0_r9android-wear-9.0.0_r8android-wear-9.0.0_r7android-wear-9.0.0_r6android-wear-9.0.0_r5android-wear-9.0.0_r4android-wear-9.0.0_r34android-wear-9.0.0_r33android-wear-9.0.0_r32android-wear-9.0.0_r31android-wear-9.0.0_r30android-wear-9.0.0_r3android-wear-9.0.0_r29android-wear-9.0.0_r28android-wear-9.0.0_r27android-wear-9.0.0_r26android-wear-9.0.0_r25android-wear-9.0.0_r24android-wear-9.0.0_r23android-wear-9.0.0_r22android-wear-9.0.0_r21android-wear-9.0.0_r20android-wear-9.0.0_r2android-wear-9.0.0_r19android-wear-9.0.0_r18android-wear-9.0.0_r17android-wear-9.0.0_r16android-wear-9.0.0_r15android-wear-9.0.0_r14android-wear-9.0.0_r13android-wear-9.0.0_r12android-wear-9.0.0_r11android-wear-9.0.0_r10android-wear-9.0.0_r1android-wear-8.1.0_r1android-wear-8.0.0_r1android-wear-7.1.1_r1android-vts-9.0_r9android-vts-9.0_r8android-vts-9.0_r7android-vts-9.0_r6android-vts-9.0_r5android-vts-9.0_r4android-vts-9.0_r19android-vts-9.0_r18android-vts-9.0_r17android-vts-9.0_r16android-vts-9.0_r15android-vts-9.0_r14android-vts-9.0_r13android-vts-9.0_r12android-vts-9.0_r11android-vts-9.0_r10android-vts-8.1_r9android-vts-8.1_r8android-vts-8.1_r7android-vts-8.1_r6android-vts-8.1_r5android-vts-8.1_r4android-vts-8.1_r3android-vts-8.1_r14android-vts-8.1_r13android-vts-8.1_r12android-vts-8.1_r11android-vts-8.1_r10android-vts-8.0_r9android-vts-8.0_r8android-vts-8.0_r7android-vts-8.0_r6android-vts-8.0_r2android-vts-8.0_r13android-vts-8.0_r12android-vts-8.0_r11android-vts-8.0_r10android-vts-8.0_r1android-security-9.0.0_r76android-security-9.0.0_r75android-security-9.0.0_r74android-security-9.0.0_r73android-security-9.0.0_r72android-security-9.0.0_r71android-security-9.0.0_r70android-security-9.0.0_r69android-security-9.0.0_r68android-security-9.0.0_r67android-security-9.0.0_r66android-security-9.0.0_r65android-security-9.0.0_r64android-security-9.0.0_r63android-security-9.0.0_r62android-security-8.1.0_r93android-security-8.1.0_r92android-security-8.1.0_r91android-security-8.1.0_r90android-security-8.1.0_r89android-security-8.1.0_r88android-security-8.1.0_r87android-security-8.1.0_r86android-security-8.1.0_r85android-security-8.1.0_r84android-security-8.1.0_r83android-security-8.1.0_r82android-security-8.0.0_r54android-security-8.0.0_r53android-security-8.0.0_r52android-p-preview-3android-p-preview-2android-p-preview-1android-o-preview-4android-o-preview-3android-o-preview-2android-o-preview-1android-o-mr1-preview-2android-o-mr1-preview-1android-o-mr1-iot-release-smart-display-r9android-o-mr1-iot-release-smart-display-r8android-o-mr1-iot-release-smart-display-r5android-o-mr1-iot-release-smart-display-r40.1Jandroid-o-mr1-iot-release-smart-display-r4android-o-mr1-iot-release-smart-display-r39android-o-mr1-iot-release-smart-display-r30android-o-mr1-iot-release-smart-display-r3android-o-mr1-iot-release-smart-display-r22android-o-mr1-iot-release-smart-display-r14android-o-mr1-iot-release-smart-clock-r6android-o-mr1-iot-release-smart-clock-r2android-o-mr1-iot-release-smart-clock-fsiandroid-o-mr1-iot-release-smart-clock-fcsandroid-o-mr1-iot-release-cube_r2android-o-mr1-iot-release-cube-fsiandroid-o-mr1-iot-release-cube-fcsandroid-o-mr1-iot-release-1.0.8android-o-mr1-iot-release-1.0.7android-o-mr1-iot-release-1.0.5android-o-mr1-iot-release-1.0.4android-o-mr1-iot-release-1.0.3android-o-mr1-iot-release-1.0.2android-o-mr1-iot-release-1.0.14android-o-mr1-iot-release-1.0.13android-o-mr1-iot-release-1.0.12android-o-mr1-iot-release-1.0.10android-o-mr1-iot-release-1.0.1android-o-mr1-iot-release-1.0.0android-o-mr1-iot-preview-8android-o-mr1-iot-preview-7android-o-mr1-iot-preview-6android-o-iot-preview-5android-n-preview-5android-n-preview-4android-n-preview-3android-n-preview-2android-n-mr2-preview-2android-n-mr2-preview-1android-n-mr1-preview-2android-n-mr1-preview-1android-n-iot-release-smart-display-r2android-n-iot-release-smart-displayandroid-n-iot-release-polk-at1android-n-iot-release-lg-thinq-wk7android-n-iot-release-ihome-igv1android-n-iot-preview-4android-n-iot-preview-2android-cts_7.1_r1android-cts-9.0_r9android-cts-9.0_r8android-cts-9.0_r7android-cts-9.0_r6android-cts-9.0_r5android-cts-9.0_r4android-cts-9.0_r3android-cts-9.0_r20android-cts-9.0_r2android-cts-9.0_r19android-cts-9.0_r18android-cts-9.0_r17android-cts-9.0_r16android-cts-9.0_r15android-cts-9.0_r14android-cts-9.0_r13android-cts-9.0_r12android-cts-9.0_r11android-cts-9.0_r10android-cts-9.0_r1android-cts-8.1_r9android-cts-8.1_r8android-cts-8.1_r7android-cts-8.1_r6android-cts-8.1_r5android-cts-8.1_r4android-cts-8.1_r3android-cts-8.1_r25android-cts-8.1_r24android-cts-8.1_r23android-cts-8.1_r22android-cts-8.1_r21android-cts-8.1_r20android-cts-8.1_r2android-cts-8.1_r19android-cts-8.1_r18android-cts-8.1_r17android-cts-8.1_r16android-cts-8.1_r15android-cts-8.1_r14android-cts-8.1_r13android-cts-8.1_r12android-cts-8.1_r11android-cts-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In Emerald, robby project's sensor code has been moved to
/vendor/intel/robby/sensors

Change-Id: Iff11b2f079ba47003637c9a3024f997da34b5b02

1 files changed, 0 insertions, 569 deletions

diff --git a/libsensors_iio/src/HWSensorBase.cpp b/libsensors_iio/src/HWSensorBase.cpp
deleted file mode 100644
index a910bd0..0000000
--- a/libsensors_iio/src/HWSensorBase.cpp
+++ /dev/null
@@ -1,569 +0,0 @@
-/*
- * STMicroelectronics HW Sensor Base With Pollrate Class
- *
- * Copyright 2013-2015 STMicroelectronics Inc.
- * Author: Denis Ciocca - <denis.ciocca@st.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License").
- */
-
-#define __STDC_LIMIT_MACROS
-
-#include <fcntl.h>
-#include <assert.h>
-#include <string.h>
-#include <signal.h>
-#include <stdint.h>
-#include <endian.h>
-
-#include "HWSensorBase.h"
-
-#define DEFAULT_HRTIMER_PERIOD_NS		(200000000)
-#define LOCAL_REPORTING_MODE_MASK		6
-
-
-/**
- * size_from_channelarray() - Calculate the storage size of a scan
- * @channels: the channel info array.
- * @num_channels: number of channels.
- **/
-static int size_from_channelarray(struct iio_channel_info *channels, int num_channels)
-{
-	int bytes = 0, i;
-
-	for (i = 0; i < num_channels; i++) {
-		if (channels[i].bytes == 0)
-			continue;
-
-		if (bytes % channels[i].bytes == 0)
-			channels[i].location = bytes;
-		else
-			channels[i].location = bytes -
-				(bytes % channels[i].bytes) + channels[i].bytes;
-
-		bytes = channels[i].location + channels[i].bytes;
-	}
-
-	return bytes;
-}
-
-/**
- * process_2byte_received() - Return channel data from 2 byte
- * @input: 2 byte of data received from buffer channel.
- * @info: information about channel structure.
- * @multi_data: 2byte is part of multiple data.
- **/
-static float process_2byte_received(int input,
-				struct iio_channel_info *info, bool multi_data)
-{
-	int16_t val;
-	float offset = 0;
-
-	if (info->be)
-		input = be16toh((uint16_t)input);
-	else
-		input = le16toh((uint16_t)input);
-
-	if (!multi_data) {
-		offset = info->offset;
-		val = input >> info->shift;
-		if (info->is_signed) {
-			val &= (1 << info->bits_used) - 1;
-			val = (int16_t)(val << (16 - info->bits_used)) >>
-							(16 - info->bits_used);
-		} else
-			val &= (1 << info->bits_used) - 1;
-	} else
-		val = input;
-
-	return (((float)val + offset) * info->scale);
-}
-
-static float process_3byte_received(int input, struct iio_channel_info *info)
-{
-	int32_t val;
-
-	if (info->be)
-		input = be32toh((uint32_t)input);
-	else
-		input = le32toh((uint32_t)input);
-
-	val = input >> info->shift;
-	if (info->is_signed) {
-		val &= (1 << info->bits_used) - 1;
-		val = (int32_t)(val << (24 - info->bits_used)) >>
-						(24 - info->bits_used);
-	} else
-		val &= (1 << info->bits_used) - 1;
-
-	return (((float)val + info->offset) * info->scale);
-}
-
-/**
- * process_scan() - This functions use channels device information to build data
- * @hw_sensor: pointer to current hardware sensor.
- * @data: sensor data of all channels read from buffer.
- * @channels: information about channel structure.
- * @num_channels: number of channels of the sensor.
- **/
-static int ProcessScanData(uint8_t *data, struct iio_channel_info *channels, int num_channels, SensorBaseData *sensor_out_data)
-{
-	int k;
-
-	for (k = 0; k < num_channels; k++) {
-
-		sensor_out_data->offset[k] = 0;
-
-		switch (channels[k].bytes) {
-		case 1:
-			sensor_out_data->raw[k] = *(uint8_t *)(data + channels[k].location);
-			break;
-		case 2:
-			sensor_out_data->raw[k] = process_2byte_received(*(uint16_t *)
-					(data + channels[k].location), &channels[k], false);
-			break;
-		case 3:
-			sensor_out_data->raw[k] = process_3byte_received(*(uint32_t *)
-					(data + channels[k].location), &channels[k]);
-			break;
-		case 4:
-			if (channels->multi_data) {
-				sensor_out_data->raw[k] = process_2byte_received(*(uint16_t *)
-					(data + channels[k].location), &channels[k], true);
-				sensor_out_data->offset[k] = process_2byte_received(*(uint16_t *)
-					(data + channels[k].location + sizeof(uint16_t)),
-					&channels[k], true);
-			} else {
-				uint32_t val;
-
-				if (channels[k].be)
-					val = be32toh(*(uint32_t *)
-							(data + channels[k].location));
-				else
-					val = le32toh(*(uint32_t *)
-							(data + channels[k].location));
-
-				if (channels->isfloat)
-					sensor_out_data->raw[k] = (*((float *)((void *)&val)) +
-						channels[k].offset) * channels[k].scale;
-				else
-					sensor_out_data->raw[k] = ((float)val +
-						channels[k].offset) * channels[k].scale;
-			}
-			break;
-		case 8:
-			if (channels[k].is_signed) {
-				int64_t val = *(int64_t *)(data + channels[k].location);
-				if ((val >> channels[k].bits_used) & 1)
-					val = (val & channels[k].mask) | ~channels[k].mask;
-
-				if ((channels[k].scale == 1.0f) &&
-						(channels[k].offset == 0.0f)) {
-					sensor_out_data->timestamp = val;
-				} else {
-					sensor_out_data->raw[k] = (((float)val +
-						channels[k].offset) * channels[k].scale);
-				}
-			}
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	return num_channels;
-}
-
-HWSensorBase::HWSensorBase(HWSensorBaseCommonData *data, const char *name,
-		int handle, int sensor_type, unsigned int hw_fifo_len, int pipe_data_fd,
-		float power_consumption) : SensorBase(name, handle, sensor_type, pipe_data_fd)
-{
-	int err;
-	char *buffer_path;
-
-	memcpy(&common_data, data, sizeof(common_data));
-
-	sensor_t_data.power = power_consumption;
-	sensor_t_data.fifoMaxEventCount = hw_fifo_len;
-	current_fifo_len = HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN;
-
-	scan_size = size_from_channelarray(common_data.channels, common_data.num_channels);
-
-	sensor_data = (uint8_t *)malloc(scan_size * HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN * hw_fifo_len * sizeof(uint8_t));
-	if (!sensor_data)
-		goto failed_creation;
-
-	err = asprintf(&buffer_path, "/dev/iio:device%d", data->iio_dev_num);
-	if (err <= 0)
-		goto free_sensor_data;
-
-	pollfd_iio[0].fd = open(buffer_path, O_RDONLY | O_NONBLOCK);
-	if (pollfd_iio[0].fd < 0)
-		goto free_buffer_path;
-
-	err = ioctl(pollfd_iio[0].fd, IIO_GET_EVENT_FD_IOCTL, &pollfd_iio[1].fd);
-	if (err < 0)
-		goto close_iio_buffer;
-
-	pollfd_iio[0].events = POLLIN;
-	pollfd_iio[1].events = POLLIN;
-
-	free(buffer_path);
-
-	return;
-
-close_iio_buffer:
-	close(pollfd_iio[0].fd);
-free_buffer_path:
-	free(buffer_path);
-free_sensor_data:
-	free(sensor_data);
-failed_creation:
-	valid_class = false;
-}
-
-HWSensorBase::~HWSensorBase()
-{
-	if (!valid_class)
-		return;
-
-	free(sensor_data);
-	close(pollfd_iio[0].fd);
-	close(pollfd_iio[1].fd);
-}
-
-int HWSensorBase::WriteBufferLenght(unsigned int buf_len, unsigned int store_len)
-{
-	unsigned int hw_buf_fifo_len, hw_store_fifo_len;
-	int err, current_len, cur_store_len, buff_enable;
-
-	hw_buf_fifo_len = buf_len * HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN;
-	if (hw_buf_fifo_len == 0)
-		hw_buf_fifo_len = HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN;
-
-	hw_store_fifo_len = store_len * HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN;
-	if (hw_store_fifo_len == 0)
-		hw_store_fifo_len = HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN;
-
-	current_len = read_sysfs_posint((char *)FILENAME_BUFFER_LENGTH,
-							common_data.iio_sysfs_path);
-	if (current_len < 0)
-		return current_len;
-
-	cur_store_len = read_sysfs_posint((char *)FILENAME_BUFFER_STORE_LENGTH,
-							common_data.iio_sysfs_path);
-	if (cur_store_len < 0)
-		return cur_store_len;
-
-	if ((current_len == (int)hw_buf_fifo_len) && (cur_store_len == (int)hw_store_fifo_len))
-		return 0;
-
-	buff_enable = read_sysfs_posint((char *)FILENAME_BUFFER_ENABLE,
-							common_data.iio_sysfs_path);
-	if (buff_enable < 0)
-		return buff_enable;
-
-	if (buff_enable == 1) {
-		err = write_sysfs_int_and_verify((char *)FILENAME_BUFFER_ENABLE,
-							common_data.iio_sysfs_path, 0);
-		if (err < 0)
-			return err;
-	}
-
-	err = write_sysfs_int_and_verify((char *)FILENAME_BUFFER_LENGTH,
-						common_data.iio_sysfs_path, hw_buf_fifo_len);
-	if (err < 0)
-		return err;
-
-	err = write_sysfs_int_and_verify((char *)FILENAME_BUFFER_STORE_LENGTH,
-						common_data.iio_sysfs_path, hw_store_fifo_len);
-	if (err < 0)
-		return err;
-
-	current_fifo_len = hw_buf_fifo_len;
-
-	if (buff_enable > 0) {
-		err = write_sysfs_int_and_verify((char *)FILENAME_BUFFER_ENABLE,
-							common_data.iio_sysfs_path, 1);
-		if (err < 0)
-			return err;
-	}
-
-	return 0;
-}
-
-int HWSensorBase::Enable(int handle, bool enable)
-{
-	int err;
-
-	err = SensorBase::Enable(handle, enable);
-	if (err < 0)
-		return err;
-
-	err = write_sysfs_int_and_verify((char *)FILENAME_BUFFER_ENABLE,
-					common_data.iio_sysfs_path, GetStatus());
-	if (err < 0) {
-		ALOGE("%s: Failed to write buffer file \"%s/%s\".",
-			common_data.device_name, common_data.iio_sysfs_path, FILENAME_BUFFER_ENABLE);
-		goto restore_status_enable;
-	}
-
-	return 0;
-
-restore_status_enable:
-	SensorBase::Enable(handle, !enable);
-	return err;
-}
-
-int HWSensorBase::FlushData(bool need_report_event)
-{
-	bool report_at_once = false;
-	int err = -1;
-	int32_t type = SensorBase::sensor_t_data.type;
-#ifdef __LP64__
-       uint64_t flags;
-#else
-       uint32_t flags;
-#endif
-
-	flags = SensorBase::sensor_t_data.flags;
-	ALOGD("HWSensorBase::FlushData type=%d, flags=%lld", type, flags);
-
-	/* No flush events for One-shot sensors */
-	if (SENSOR_FLAG_ONE_SHOT_MODE == (flags & LOCAL_REPORTING_MODE_MASK))
-		return -EINVAL;
-
-	if (GetStatus()) {
-		/* Sensors used fifo would report flush complete event after data in fifo reported,
-		 * so we store the flush timestamp here. When we write fifo data to pipe,
-		 * we compare them. If the fifo data wrote done, then write the flush complete event.
-		 * One exception: if the flush call come after a fifo parse, there would no data
-		 * in the fifo. If we still sent flush complete event like before, that should wait for
-		 * another fifo parse, that would be a very long time (unit seconds). In this case,
-		 * we would sent the flush complete event here.
-		 */
-		if (need_report_event && ((type == SENSOR_TYPE_ACCELEROMETER) ||
-				(type == SENSOR_TYPE_GYROSCOPE))) {
-			int64_t flush_timestamp = get_monotonic_time();
-			if (flush_timestamp <= real_pollrate) {
-				ALOGE("HWSensorBase get flush base timestamp failed");
-				return err;
-			}
-			ALOGD("hw flush timestamp %lld", flush_timestamp);
-			/* Scale the real_pollrate by 11/10 because LSM6DS3 ODR has +/-10% skew */
-			if (flush_timestamp <= (last_data_timestamp + real_pollrate * 11 / 10))
-				report_at_once = true;
-			else {
-				flush_timestamp -= real_pollrate * 11 /10;
-				(SensorBase::timestamp).push_back(flush_timestamp);
-			}
-		}
-
-		/* Sensors used fifo would trigger read fifo here */
-		if (current_fifo_len > HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN) {
-			err = write_sysfs_int((char *)FILENAME_FLUSH, common_data.iio_sysfs_path, 1);
-			if (err < 0) {
-				ALOGE("%s: Failed to write flush file \"%s/%s\".",
-						common_data.device_name, common_data.iio_sysfs_path, FILENAME_FLUSH);
-				return -EINVAL;
-			}
-		}
-
-		/* Sensors which not use fifo would sent a flush complete event here.
-		 * Sensors used fifo would sent a flush complete event here too if the fifo
-		 * is empty now.
-		 */
-		if (need_report_event && (report_at_once || ((type != SENSOR_TYPE_ACCELEROMETER) &&
-				(type != SENSOR_TYPE_GYROSCOPE))))
-			SensorBase::FlushData(true);
-
-		return 0;
-
-	} else
-		return -EINVAL;
-
-}
-
-void HWSensorBase::ThreadTask()
-{
-	uint8_t *data;
-	int err, i, read_size;
-	unsigned int hw_fifo_len;
-	SensorBaseData sensor_data;
-	struct iio_event_data event_data;
-
-	if (sensor_t_data.fifoMaxEventCount > 0)
-		hw_fifo_len = sensor_t_data.fifoMaxEventCount;
-	else
-		hw_fifo_len = 1;
-
-	data = (uint8_t *)malloc(hw_fifo_len * scan_size * HW_SENSOR_BASE_DEFAULT_IIO_BUFFER_LEN * sizeof(uint8_t));
-	if (!data)
-		return;
-
-	while (true) {
-		err = poll(pollfd_iio, 2, -1);
-		if (err <= 0)
-			continue;
-
-		if (pollfd_iio[0].revents > 0) {
-			read_size = read(pollfd_iio[0].fd, data, current_fifo_len * scan_size);
-			if (read_size <= 0)
-				continue;
-
-			for (i = 0; i < (read_size / scan_size); i++) {
-				err = ProcessScanData(data + (i * scan_size), common_data.channels, common_data.num_channels, &sensor_data);
-				if (err < 0)
-					continue;
-
-				ProcessData(&sensor_data);
-			}
-		}
-
-		if (pollfd_iio[1].revents > 0) {
-			read_size = read(pollfd_iio[1].fd, &event_data, sizeof(event_data));
-			if (read_size <= 0)
-				continue;
-
-			ProcessEvent(&event_data);
-		}
-	}
-}
-
-
-HWSensorBaseWithPollrate::HWSensorBaseWithPollrate(HWSensorBaseCommonData *data, const char *name,
-		struct iio_sampling_frequency_available *sfa, int handle,
-		int sensor_type, unsigned int hw_fifo_len, int pipe_data_fd, float power_consumption) :
-		HWSensorBase(data, name, handle, sensor_type, hw_fifo_len, pipe_data_fd, power_consumption)
-{
-	int i;
-	unsigned int max_sampling_frequency = 0, min_sampling_frequency = UINT_MAX;
-
-	memcpy(&sampling_frequency_available, sfa, sizeof(sampling_frequency_available));
-
-	for (i = 0; i < (int)sfa->num_available; i++) {
-		if ((max_sampling_frequency < sfa->hz[i]) &&
-					(sfa->hz[i] <= CONFIG_ST_HAL_MAX_SAMPLING_FREQUENCY))
-			max_sampling_frequency = sfa->hz[i];
-
-		if (min_sampling_frequency > sfa->hz[i])
-			min_sampling_frequency = sfa->hz[i];
-	}
-
-	sensor_t_data.minDelay = FREQUENCY_TO_US(max_sampling_frequency);
-	sensor_t_data.maxDelay = FREQUENCY_TO_US(min_sampling_frequency);
-}
-
-HWSensorBaseWithPollrate::~HWSensorBaseWithPollrate()
-{
-
-}
-
-int HWSensorBaseWithPollrate::SetDelay(int handle, int64_t period_ns, int64_t timeout)
-{
-#define	MIN_BUF_TIMEOUT	2500000000ULL
-	int err, i;
-	int64_t min_pollrate_ns, tmp_real_pollrate;
-	unsigned int sampling_frequency, buf_len, store_len;
-
-	err = HWSensorBase::SetDelay(handle, period_ns, timeout);
-	if (err < 0)
-		return err;
-
-	min_pollrate_ns = GetMinPeriod();
-
-	sampling_frequency = NS_TO_FREQUENCY(min_pollrate_ns);
-	for (i = 0; i < (int)sampling_frequency_available.num_available; i++) {
-		if (sampling_frequency_available.hz[i] >= sampling_frequency)
-			break;
-	}
-	if (i == (int)sampling_frequency_available.num_available)
-		i--;
-
-	err = write_sysfs_int_and_verify((char *)FILENAME_SAMPLING_FREQ,
-				common_data.iio_sysfs_path, sampling_frequency_available.hz[i]);
-	if (err < 0) {
-		ALOGE("%s: Failed to write sampling frequency file \"%s/%s\".",
-				common_data.device_name, common_data.iio_sysfs_path, FILENAME_SAMPLING_FREQ);
-		return err;
-	}
-
-	tmp_real_pollrate = real_pollrate = FREQUENCY_TO_NS(sampling_frequency_available.hz[i]);
-
-	if (sensor_t_data.fifoMaxEventCount > 0) {
-		store_len = GetMinTimeout() / tmp_real_pollrate;
-		if (store_len > sensor_t_data.fifoMaxEventCount)
-			store_len = sensor_t_data.fifoMaxEventCount;
-
-		buf_len = MIN_BUF_TIMEOUT / tmp_real_pollrate;
-		if (buf_len < store_len)
-			buf_len = store_len;
-
-		err = WriteBufferLenght(buf_len, store_len);
-		if (err < 0)
-			return err;
-	}
-
-	return 0;
-}
-
-void HWSensorBaseWithPollrate::WriteDataToPipe()
-{
-	int err, retry = 3;
-	std::vector<int64_t>::iterator it;
-
-	if (!GetStatusOfHandle(sensor_t_data.handle))
-		return;
-
-	if (!(SensorBase::timestamp.empty())) {
-		int64_t last_timestamp = 0;
-		for (it = SensorBase::timestamp.begin(); it != SensorBase::timestamp.end(); ) {
-			/* If two flush event come within 1 odr, there may not have data in hw fifo,
-			 * so report corresponding flush complete events here.
-			 */
-			if ((sensor_event.timestamp >= *it) ||
-					(last_timestamp != 0 && (*it - last_timestamp < real_pollrate * 11 / 10))) {
-				sensors_event_t flush_event_data;
-
-				flush_event_data.sensor = 0;
-				flush_event_data.timestamp = 0;
-				flush_event_data.meta_data.sensor = sensor_t_data.handle;
-				flush_event_data.meta_data.what = META_DATA_FLUSH_COMPLETE;
-				flush_event_data.type = SENSOR_TYPE_META_DATA;
-				flush_event_data.version = META_DATA_VERSION;
-
-				while (retry) {
-					err = SensorBase::WritePipeWithPoll(&flush_event_data, sizeof(sensor_event),
-											POLL_TIMEOUT_FLUSH_EVENT);
-					if (err > 0)
-						break;
-
-					retry--;
-					ALOGI("%s: Retry writing flush event data to pipe, retry_cnt: %d.", android_name, 3-retry);
-				}
-
-				if (retry ==  0)
-					ALOGE("%s: Failed to write HW flush_complete, err=%d", android_name, err);
-				else
-					ALOGD("write hw flush complete event to pipe succeed.");
-
-				last_timestamp = *it;
-				it = SensorBase::timestamp.erase(it);
-			} else
-				break;
-		}
-	}
-
-	/* Scale the real_pollrate by 9/10 because LSM6DS3 ODR has +/-10% skew */
-	if (sensor_event.timestamp >= (last_data_timestamp + real_pollrate * 9 / 10)) {
-		err =  SensorBase::WritePipeWithPoll(&sensor_event, sizeof(sensor_event), POLL_TIMEOUT_DATA_EVENT);
-		if (err <= 0) {
-			ALOGE("%s: Write sensor data failed.", android_name);
-			return;
-		}
-
-		last_data_timestamp = sensor_event.timestamp;
-	} else
-		ALOGE("%s: Dropping event type=%d because ts %lld < %lld (%lld + %lld * 9 / 10)", android_name,
-					(last_data_timestamp + real_pollrate * 9 / 10), last_data_timestamp, real_pollrate);
-}