iio/adc/ad7124.c

170 	struct ad7124_channel *channels;
278 	if (odr_sel_bits != st->channels[channel].cfg.odr_sel_bits)
279 		st->channels[channel].cfg.live = false;
282 	st->channels[channel].cfg.odr = DIV_ROUND_CLOSEST(fclk, odr_sel_bits * 32);
283 	st->channels[channel].cfg.odr_sel_bits = odr_sel_bits;
291 	fadc = st->channels[channel].cfg.odr;
293 	switch (st->channels[channel].cfg.filter_type) {
322 	if (new_odr != st->channels[channel].cfg.odr)
323 		st->channels[channel].cfg.live = false;
325 	st->channels[channel].cfg.filter_type = new_filter;
326 	st->channels[channel].cfg.odr = new_odr;
338 		cfg_aux = &st->channels[i].cfg;
441 		cfg = &st->channels[i].cfg;
485 	struct ad7124_channel_config *cfg = &st->channels[address].cfg;
502 	return ad7124_enable_channel(st, &st->channels[address]);
586 				      st->channels[chan->address].ain | AD7124_CHANNEL_EN(0));
594 		idx = st->channels[chan->address].cfg.pga_bits;
595 		*val = st->channels[chan->address].cfg.vref_mv;
596 		if (st->channels[chan->address].cfg.bipolar)
605 		if (st->channels[chan->address].cfg.bipolar)
614 		*val = st->channels[chan->address].cfg.odr;
654 		if (st->channels[chan->address].cfg.bipolar)
659 		vref = st->channels[chan->address].cfg.vref_mv * 1000000LL;
664 		if (st->channels[chan->address].cfg.pga_bits != res)
665 			st->channels[chan->address].cfg.live = false;
667 		st->channels[chan->address].cfg.pga_bits = res;
815 	struct ad7124_channel *channels;
832 	channels = devm_kcalloc(indio_dev->dev.parent, st->num_channels, sizeof(*channels),
834 	if (!channels)
837 	indio_dev->channels = chan;
839 	st->channels = channels;
842 		cfg = &st->channels[channel].cfg;
850 				"Channel index >= number of channels\n");
855 		ret = of_property_read_u32_array(child, "diff-channels",
860 		st->channels[channel].nr = channel;
861 		st->channels[channel].ain = AD7124_CHANNEL_AINP(ain[0]) |
919 		ret = ad7124_init_config_vref(st, &st->channels[i].cfg);
926 		 * set all channels to this default value.