static int mux_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
{
struct mux *mux = iio_priv(indio_dev);
int idx = chan - mux->chan;
int ret;
ret = iio_mux_select(mux, idx);
if (ret < 0)
return ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
ret = iio_read_channel_raw(mux->parent, val);
break;
case IIO_CHAN_INFO_SCALE:
ret = iio_read_channel_scale(mux->parent, val, val2);
break;
default:
ret = -EINVAL;
}
iio_mux_deselect(mux);
return ret;
}
static int lp8788_get_battery_temperature(struct lp8788_charger *pchg,
union power_supply_propval *val)
{
struct iio_channel *channel = pchg->chan[LP8788_BATT_TEMP];
int scaleint;
int scalepart;
int ret;
if (!channel)
return -EINVAL;
ret = iio_read_channel_scale(channel, &scaleint, &scalepart);
if (ret != IIO_VAL_INT_PLUS_MICRO)
return -EINVAL;
/* unit: 0.1 'C */
val->intval = (scaleint + scalepart * 1000000) / 100;
return 0;
}
static int lp8788_get_vbatt_adc(struct lp8788_charger *pchg,
unsigned int *result)
{
struct iio_channel *channel = pchg->chan[LP8788_VBATT];
int scaleint;
int scalepart;
int ret;
if (!channel)
return -EINVAL;
ret = iio_read_channel_scale(channel, &scaleint, &scalepart);
if (ret != IIO_VAL_INT_PLUS_MICRO)
return -EINVAL;
/* unit: mV */
*result = (scaleint + scalepart * 1000000) / 1000;
return 0;
}
