iio_write_channel_raw
ret = iio_write_channel_raw(env->dac, env->invert ? 0 : env->dac_max);
ret = iio_write_channel_raw(env->dac, env->level);
return iio_write_channel_raw(dac->dpot, val);
EXPORT_SYMBOL_GPL(iio_write_channel_raw);
ret = iio_write_channel_raw(mux->parent, val);
int iio_write_channel_raw(struct iio_channel *chan, int val);
ret = iio_write_channel_raw(chan->iio_chan,
ret = iio_write_channel_raw(chan->iio_chan, val);