static ssize_t bh1721fvc_poll_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
int err;
int64_t new_delay;
struct bh1721fvc_data *bh1721fvc = dev_get_drvdata(dev);
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
bh1721fvc_dbmsg("new delay = %lldns, old delay = %lldns\n",
new_delay, ktime_to_ns(bh1721fvc->light_poll_delay));
mutex_lock(&bh1721fvc->lock);
if (new_delay != ktime_to_ns(bh1721fvc->light_poll_delay)) {
bh1721fvc->light_poll_delay = ns_to_ktime(new_delay);
if (bh1721fvc_is_measuring(bh1721fvc)) {
bh1721fvc_disable(bh1721fvc);
bh1721fvc_enable(bh1721fvc);
}
}
mutex_unlock(&bh1721fvc->lock);
return size;
}
static ssize_t poll_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct mlx90615_data *mlx90615 = dev_get_drvdata(dev);
int64_t new_delay;
int err;
pr_info("[BODYTEMP] %s : %s\n", __func__, buf);
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
mutex_lock(&mlx90615->power_lock);
if (new_delay != ktime_to_ns(mlx90615->poll_delay)) {
#if 0
if (new_delay < ktime_to_ns(mlx90615->poll_delay))
mlx90615->poll_delay =
ns_to_ktime(DEFAULT_DELAY * NSEC_PER_MSEC);
else
#endif
mlx90615->poll_delay = ns_to_ktime(new_delay);
if (mlx90615->enabled) {
mlx90615_disable(mlx90615);
mlx90615_enable(mlx90615);
}
pr_info("[BODYTEMP] %s, poll_delay = %lld\n",
__func__, new_delay);
}
mutex_unlock(&mlx90615->power_lock);
return size;
}
static ssize_t poll_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct bh1721_data *bh1721 = dev_get_drvdata(dev);
int64_t new_delay;
int err;
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
printk("[Light Sensor] new delay = %lldns, old delay = %lldns\n",
new_delay, ktime_to_ns(bh1721->light_poll_delay));
mutex_lock(&bh1721->power_lock);
if (new_delay != ktime_to_ns(bh1721->light_poll_delay)) {
bh1721->light_poll_delay = ns_to_ktime(new_delay);
if (bh1721->power_state & LIGHT_ENABLED) {
bh1721_light_disable(bh1721);
bh1721_light_enable(bh1721);
}
}
mutex_unlock(&bh1721->power_lock);
return size;
}
static ssize_t set_sensors_enable(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int64_t dTemp;
unsigned int uNewEnable = 0, uChangedSensor = 0;
struct ssp_data *data = dev_get_drvdata(dev);
if (strict_strtoll(buf, 10, &dTemp) < 0)
return -1;
uNewEnable = (unsigned int)dTemp;
ssp_dbg("[SSP]: %s - new_enable = %u, old_enable = %u\n", __func__,
uNewEnable, atomic_read(&data->aSensorEnable));
if (uNewEnable == atomic_read(&data->aSensorEnable))
return 0;
for (uChangedSensor = 0; uChangedSensor < SENSOR_MAX; uChangedSensor++)
if ((atomic_read(&data->aSensorEnable) & (1 << uChangedSensor))
!= (uNewEnable & (1 << uChangedSensor))) {
if (uNewEnable & (1 << uChangedSensor))
ssp_add_sensor(data, uChangedSensor);
else
ssp_remove_sensor(data, uChangedSensor,
uNewEnable);
break;
}
atomic_set(&data->aSensorEnable, uNewEnable);
return size;
}
static ssize_t poll_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct gp2a_data *gp2a = dev_get_drvdata(dev);
int64_t new_delay;
int err;
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
gp2a_dbgmsg("new delay = %lldns, old delay = %lldns\n",
new_delay, ktime_to_ns(gp2a->light_poll_delay));
mutex_lock(&gp2a->power_lock);
if (new_delay != ktime_to_ns(gp2a->light_poll_delay)) {
gp2a->light_poll_delay = ns_to_ktime(new_delay);
if (gp2a->power_state & LIGHT_ENABLED) {
gp2a_light_disable(gp2a);
gp2a_light_enable(gp2a);
}
}
mutex_unlock(&gp2a->power_lock);
return size;
}
static ssize_t cm36686_poll_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct cm36686_data *cm36686 = dev_get_drvdata(dev);
int64_t new_delay;
int err;
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
mutex_lock(&cm36686->power_lock);
if (new_delay != ktime_to_ns(cm36686->light_poll_delay)) {
cm36686->light_poll_delay = ns_to_ktime(new_delay);
if (cm36686->power_state & LIGHT_ENABLED) {
cm36686_light_disable(cm36686);
cm36686_light_enable(cm36686);
}
pr_info("%s, poll_delay = %lld\n", __func__, new_delay);
}
mutex_unlock(&cm36686->power_lock);
return size;
}
static int read_sysfs_interface(const char *pbuf, s32 *pvalue, u8 base)
{
long long val;
int rc;
rc = strict_strtoll(pbuf, base, &val);
if (!rc)
*pvalue = (s32)val;
return rc;
}
static ssize_t set_prox_delay(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int64_t dNewDelay;
struct ssp_data *data = dev_get_drvdata(dev);
if (strict_strtoll(buf, 10, &dNewDelay) < 0)
return -1;
change_sensor_delay(data, PROXIMITY_SENSOR, dNewDelay);
return size;
}
static ssize_t store_ami_poll_delay(struct device* dev, struct device_attribute* attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct ami306_dev_data *pdata = i2c_get_clientdata(client);
int64_t new_delay;
int err;
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
pdata->poll_delay = ns_to_ktime(new_delay);
return count;
}
static ssize_t lsm330dlc_gyro_set_delay(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int res;
struct lsm330dlc_gyro_data *data = dev_get_drvdata(dev);
u64 delay_ns;
res = strict_strtoll(buf, 10, &delay_ns);
if (res < 0)
return res;
lsm330dlc_gyro_set_delay_ns(data, delay_ns);
return size;
}
static ssize_t set_sensors_enable(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int64_t dTemp;
unsigned int uNewEnable = 0, uChangedSensor = 0;
struct ssp_data *data = dev_get_drvdata(dev);
int iRet;
if (strict_strtoll(buf, 10, &dTemp) < 0)
return -1;
uNewEnable = (unsigned int)dTemp;
ssp_dbg("[SSP]: %s - new_enable = %u, old_enable = %u\n", __func__,
uNewEnable, atomic_read(&data->aSensorEnable));
if (uNewEnable == atomic_read(&data->aSensorEnable))
return 0;
for (uChangedSensor = 0; uChangedSensor < SENSOR_MAX; uChangedSensor++)
if ((atomic_read(&data->aSensorEnable) & (1 << uChangedSensor))
!= (uNewEnable & (1 << uChangedSensor))) {
if (!(uNewEnable & (1 << uChangedSensor)))
ssp_remove_sensor(data, uChangedSensor,
uNewEnable); /* disable */
else { /* Change to ADD_SENSOR_STATE from KitKat */
if (data->aiCheckStatus[uChangedSensor] == INITIALIZATION_STATE) {
if (uChangedSensor == ACCELEROMETER_SENSOR)
accel_open_calibration(data);
else if (uChangedSensor == GYROSCOPE_SENSOR)
gyro_open_calibration(data);
else if (uChangedSensor == PRESSURE_SENSOR)
pressure_open_calibration(data);
else if (uChangedSensor == PROXIMITY_SENSOR) {
proximity_open_lcd_ldi(data);
proximity_open_calibration(data);
}
}
data->aiCheckStatus[uChangedSensor] = ADD_SENSOR_STATE;
}
break;
}
atomic_set(&data->aSensorEnable, uNewEnable);
return size;
}
static ssize_t accel_calibration_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int iRet;
int64_t dEnable;
struct ssp_data *data = dev_get_drvdata(dev);
iRet = strict_strtoll(buf, 10, &dEnable);
if (iRet < 0)
return iRet;
iRet = accel_do_calibrate(data, (int)dEnable);
if (iRet < 0)
pr_err("[SSP]: %s - accel_do_calibrate() failed\n", __func__);
return size;
}
static ssize_t set_acc_delay(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int64_t dNewDelay;
struct ssp_data *data = dev_get_drvdata(dev);
if (strict_strtoll(buf, 10, &dNewDelay) < 0)
return -1;
if ((atomic_read(&data->aSensorEnable) & (1 << ORIENTATION_SENSOR)) &&
(data->adDelayBuf[ORIENTATION_SENSOR] < dNewDelay))
data->adDelayBuf[ACCELEROMETER_SENSOR] = dNewDelay;
else
change_sensor_delay(data, ACCELEROMETER_SENSOR, dNewDelay);
return size;
}
static ssize_t barcode_emul_enable_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int iRet;
int64_t dEnable;
struct ssp_data *data = dev_get_drvdata(dev);
iRet = strict_strtoll(buf, 10, &dEnable);
if (iRet < 0)
return iRet;
if (dEnable)
set_proximity_barcode_enable(data, true);
else
set_proximity_barcode_enable(data, false);
return size;
}
static ssize_t set_ori_delay(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int64_t dNewDelay;
struct ssp_data *data = dev_get_drvdata(dev);
if (strict_strtoll(buf, 10, &dNewDelay) < 0)
return -1;
if (data->aiCheckStatus[ACCELEROMETER_SENSOR] == NO_SENSOR_STATE) {
data->aiCheckStatus[ACCELEROMETER_SENSOR] = ADD_SENSOR_STATE;
change_sensor_delay(data, ORIENTATION_SENSOR, dNewDelay);
} else if (data->aiCheckStatus[ACCELEROMETER_SENSOR] ==
RUNNING_SENSOR_STATE) {
if (dNewDelay < data->adDelayBuf[ACCELEROMETER_SENSOR])
change_sensor_delay(data,
ORIENTATION_SENSOR, dNewDelay);
else
data->adDelayBuf[ORIENTATION_SENSOR] = dNewDelay;
}
return size;
}
static ssize_t proximity_avg_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
char chTempbuf[2] = { 1, 20};
int iRet;
int64_t dEnable;
struct ssp_data *data = dev_get_drvdata(dev);
iRet = strict_strtoll(buf, 10, &dEnable);
if (iRet < 0)
return iRet;
if (dEnable) {
send_instruction(data, ADD_SENSOR, PROXIMITY_RAW, chTempbuf, 2);
data->bProximityRawEnabled = true;
} else {
send_instruction(data, REMOVE_SENSOR, PROXIMITY_RAW,
chTempbuf, 2);
data->bProximityRawEnabled = false;
}
return size;
}
static ssize_t poll_delay_store(struct device *dev,struct device_attribute *attr, const char *buf, size_t size)
{
int64_t new_delay;
int err;
err = strict_strtoll(buf, 10, &new_delay);
if (err < 0)
return err;
printk("new delay = %lldns, old delay = %lldns\n",
new_delay, ktime_to_ns(bma020.acc_poll_delay));
mutex_lock(&bma020.power_lock);
if (new_delay != ktime_to_ns(bma020.acc_poll_delay)) {
bma_acc_disable();
bma020.acc_poll_delay = ns_to_ktime(new_delay);
if (bma020.state & ACC_ENABLED) {
bma_acc_enable();
}
}
mutex_unlock(&bma020.power_lock);
return size;
}
static ssize_t k3g_set_delay(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct k3g_data *k3g_data = dev_get_drvdata(dev);
int odr_value = ODR105_BW25;
int res = 0;
int i;
u64 delay_ns;
u8 ctrl;
if(DEBUG_FUNC_TRACE & debug_mask)
printk(KERN_INFO "%s: line %d\n", __func__, __LINE__);
res = strict_strtoll(buf, 10, &delay_ns);
if (res < 0)
return res;
if(DEBUG_FUNC_TRACE & debug_mask)
printk(KERN_INFO "%s: line %d\n", __func__, __LINE__);
mutex_lock(&k3g_data->lock);
if (!k3g_data->interruptible)
hrtimer_cancel(&k3g_data->timer);
else
disable_irq(k3g_data->client->irq);
/* round to the nearest supported ODR that is less than
* the requested value
*/
for (i = 0; i < ARRAY_SIZE(odr_delay_table); i++)
if (delay_ns <= odr_delay_table[i].delay_ns)
{
odr_value = odr_delay_table[i].odr;
delay_ns = odr_delay_table[i].delay_ns;
k3g_data->time_to_read = delay_ns;
k3g_data->entries = 1;
break;
}
if (delay_ns >= odr_delay_table[3].delay_ns)
{
if (delay_ns >= MAX_DELAY)
{
k3g_data->entries = MAX_ENTRY;
delay_ns = MAX_DELAY;
}
else
{
do_div(delay_ns, odr_delay_table[3].delay_ns);
k3g_data->entries = delay_ns;
}
k3g_data->time_to_read = odr_delay_table[3].delay_ns;
}
if (odr_value != (k3g_data->ctrl_regs[0] & ODR_MASK)) {
ctrl = (k3g_data->ctrl_regs[0] & ~ODR_MASK);
ctrl |= odr_value;
k3g_data->ctrl_regs[0] = ctrl;
res = i2c_smbus_write_byte_data(k3g_data->client,
CTRL_REG1, ctrl);
}
/* we see a noise in the first sample or two after we
* change rates. this delay helps eliminate that noise.
*/
msleep((u32)delay_ns * 2 / NSEC_PER_MSEC);
/* (re)start fifo */
k3g_restart_fifo(k3g_data);
if (!k3g_data->interruptible)
{
delay_ns = k3g_data->entries * k3g_data->time_to_read;
k3g_data->polling_delay = ns_to_ktime(delay_ns);
if (k3g_data->enable)
hrtimer_start(&k3g_data->timer,
k3g_data->polling_delay, HRTIMER_MODE_REL);
}
else
{
enable_irq(k3g_data->client->irq);
}
mutex_unlock(&k3g_data->lock);
return size;
}