static int
st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long mask)
{
struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev);
int err;
err = iio_device_claim_direct_mode(iio_dev);
if (err)
return err;
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ: {
u16 data;
err = st_lsm6dsx_shub_get_odr_val(sensor, val, &data);
if (!err)
sensor->odr = val;
break;
}
default:
err = -EINVAL;
break;
}
iio_device_release_direct_mode(iio_dev);
return err;
}
static int ad7606_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long m)
{
int ret;
struct ad7606_state *st = iio_priv(indio_dev);
switch (m) {
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
ret = ad7606_scan_direct(indio_dev, chan->address);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
*val = (short)ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
*val = st->range * 2;
*val2 = st->chip_info->channels[0].scan_type.realbits;
return IIO_VAL_FRACTIONAL_LOG2;
}
return -EINVAL;
}
static int
st_lsm6dsx_shub_read_raw(struct iio_dev *iio_dev,
struct iio_chan_spec const *ch,
int *val, int *val2, long mask)
{
struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev);
int ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(iio_dev);
if (ret)
break;
ret = st_lsm6dsx_shub_read_oneshot(sensor, ch, val);
iio_device_release_direct_mode(iio_dev);
break;
case IIO_CHAN_INFO_SAMP_FREQ:
*val = sensor->odr;
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
*val = 0;
*val2 = sensor->gain;
ret = IIO_VAL_INT_PLUS_MICRO;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int ad7298_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long m)
{
int ret;
struct ad7298_state *st = iio_priv(indio_dev);
switch (m) {
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
if (chan->address == AD7298_CH_TEMP)
ret = ad7298_scan_temp(st, val);
else
ret = ad7298_scan_direct(st, chan->address);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
if (chan->address != AD7298_CH_TEMP)
*val = ret & GENMASK(chan->scan_type.realbits - 1, 0);
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_VOLTAGE:
*val = ad7298_get_ref_voltage(st);
*val2 = chan->scan_type.realbits;
return IIO_VAL_FRACTIONAL_LOG2;
case IIO_TEMP:
*val = ad7298_get_ref_voltage(st);
*val2 = 10;
return IIO_VAL_FRACTIONAL;
default:
return -EINVAL;
}
case IIO_CHAN_INFO_OFFSET:
*val = 1093 - 2732500 / ad7298_get_ref_voltage(st);
return IIO_VAL_INT;
}
return -EINVAL;
}
static int adc108s102_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long m)
{
struct adc108s102_state *st = iio_priv(indio_dev);
int ret;
switch (m) {
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
ret = adc108s102_scan_direct(st, chan->address);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
*val = ADC108S102_RES_DATA(ret);
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
if (chan->type != IIO_VOLTAGE)
break;
*val = st->va_millivolt;
*val2 = chan->scan_type.realbits;
return IIO_VAL_FRACTIONAL_LOG2;
default:
break;
}
return -EINVAL;
}
static int ltr501_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long mask)
{
struct ltr501_data *data = iio_priv(indio_dev);
int i, ret, freq_val, freq_val2;
struct ltr501_chip_info *info = data->chip_info;
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
switch (mask) {
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_INTENSITY:
i = ltr501_get_gain_index(info->als_gain,
info->als_gain_tbl_size,
val, val2);
if (i < 0) {
ret = -EINVAL;
break;
}
data->als_contr &= ~info->als_gain_mask;
data->als_contr |= i << info->als_gain_shift;
ret = regmap_write(data->regmap, LTR501_ALS_CONTR,
data->als_contr);
break;
case IIO_PROXIMITY:
i = ltr501_get_gain_index(info->ps_gain,
info->ps_gain_tbl_size,
val, val2);
if (i < 0) {
ret = -EINVAL;
break;
}
data->ps_contr &= ~LTR501_CONTR_PS_GAIN_MASK;
data->ps_contr |= i << LTR501_CONTR_PS_GAIN_SHIFT;
ret = regmap_write(data->regmap, LTR501_PS_CONTR,
data->ps_contr);
break;
default:
ret = -EINVAL;
break;
}
break;
case IIO_CHAN_INFO_INT_TIME:
switch (chan->type) {
case IIO_INTENSITY:
if (val != 0) {
ret = -EINVAL;
break;
}
mutex_lock(&data->lock_als);
ret = ltr501_set_it_time(data, val2);
mutex_unlock(&data->lock_als);
break;
default:
ret = -EINVAL;
break;
}
break;
case IIO_CHAN_INFO_SAMP_FREQ:
switch (chan->type) {
case IIO_INTENSITY:
ret = ltr501_als_read_samp_freq(data, &freq_val,
&freq_val2);
if (ret < 0)
break;
ret = ltr501_als_write_samp_freq(data, val, val2);
if (ret < 0)
break;
/* update persistence count when changing frequency */
ret = ltr501_write_intr_prst(data, chan->type,
0, data->als_period);
if (ret < 0)
ret = ltr501_als_write_samp_freq(data, freq_val,
freq_val2);
break;
case IIO_PROXIMITY:
ret = ltr501_ps_read_samp_freq(data, &freq_val,
&freq_val2);
if (ret < 0)
break;
ret = ltr501_ps_write_samp_freq(data, val, val2);
if (ret < 0)
break;
/* update persistence count when changing frequency */
ret = ltr501_write_intr_prst(data, chan->type,
0, data->ps_period);
if (ret < 0)
ret = ltr501_ps_write_samp_freq(data, freq_val,
freq_val2);
break;
default:
ret = -EINVAL;
break;
}
break;
default:
ret = -EINVAL;
break;
}
iio_device_release_direct_mode(indio_dev);
return ret;
}
static int ltr501_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
{
struct ltr501_data *data = iio_priv(indio_dev);
__le16 buf[2];
int ret, i;
switch (mask) {
case IIO_CHAN_INFO_PROCESSED:
switch (chan->type) {
case IIO_LIGHT:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
mutex_lock(&data->lock_als);
ret = ltr501_read_als(data, buf);
mutex_unlock(&data->lock_als);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
*val = ltr501_calculate_lux(le16_to_cpu(buf[1]),
le16_to_cpu(buf[0]));
return IIO_VAL_INT;
default:
return -EINVAL;
}
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
switch (chan->type) {
case IIO_INTENSITY:
mutex_lock(&data->lock_als);
ret = ltr501_read_als(data, buf);
mutex_unlock(&data->lock_als);
if (ret < 0)
break;
*val = le16_to_cpu(chan->address == LTR501_ALS_DATA1 ?
buf[0] : buf[1]);
ret = IIO_VAL_INT;
break;
case IIO_PROXIMITY:
mutex_lock(&data->lock_ps);
ret = ltr501_read_ps(data);
mutex_unlock(&data->lock_ps);
if (ret < 0)
break;
*val = ret & LTR501_PS_DATA_MASK;
ret = IIO_VAL_INT;
break;
default:
ret = -EINVAL;
break;
}
iio_device_release_direct_mode(indio_dev);
return ret;
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_INTENSITY:
i = (data->als_contr & data->chip_info->als_gain_mask)
>> data->chip_info->als_gain_shift;
*val = data->chip_info->als_gain[i].scale;
*val2 = data->chip_info->als_gain[i].uscale;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_PROXIMITY:
i = (data->ps_contr & LTR501_CONTR_PS_GAIN_MASK) >>
LTR501_CONTR_PS_GAIN_SHIFT;
*val = data->chip_info->ps_gain[i].scale;
*val2 = data->chip_info->ps_gain[i].uscale;
return IIO_VAL_INT_PLUS_MICRO;
default:
return -EINVAL;
}
case IIO_CHAN_INFO_INT_TIME:
switch (chan->type) {
case IIO_INTENSITY:
return ltr501_read_it_time(data, val, val2);
default:
return -EINVAL;
}
case IIO_CHAN_INFO_SAMP_FREQ:
switch (chan->type) {
case IIO_INTENSITY:
return ltr501_als_read_samp_freq(data, val, val2);
case IIO_PROXIMITY:
return ltr501_ps_read_samp_freq(data, val, val2);
default:
return -EINVAL;
}
}
return -EINVAL;
}
