1572 	int num_ch = indio_dev->num_channels;  in stm32_dfsdm_chan_init()  local
1576 	for (chan_idx = 0; chan_idx < num_ch; chan_idx++) {  in stm32_dfsdm_chan_init()
1612 	int num_ch, ret;  in stm32_dfsdm_audio_init()  local
1615 	num_ch = of_property_count_u32_elems(indio_dev->dev.of_node, "st,adc-channels");  in stm32_dfsdm_audio_init()
1616 	if (num_ch == 1)  in stm32_dfsdm_audio_init()
1648 	int num_ch, ret;  in stm32_dfsdm_adc_init()  local
1656 	num_ch = device_get_child_node_count(&indio_dev->dev);  in stm32_dfsdm_adc_init()
1657 	if (!num_ch) {  in stm32_dfsdm_adc_init()
1659 		num_ch = of_property_count_u32_elems(indio_dev->dev.of_node, "st,adc-channels");  in stm32_dfsdm_adc_init()
1660 		if (num_ch < 0) {  in stm32_dfsdm_adc_init()
1662 			return num_ch;  in stm32_dfsdm_adc_init()
1668 	if (num_ch > adc->dfsdm->num_chs) {  in stm32_dfsdm_adc_init()
1670 			num_ch, adc->dfsdm->num_chs);  in stm32_dfsdm_adc_init()
1673 	indio_dev->num_channels = num_ch;  in stm32_dfsdm_adc_init()
1685 		adc->backend = devm_kcalloc(&indio_dev->dev, num_ch, sizeof(*adc->backend),  in stm32_dfsdm_adc_init()
1691 	ch = devm_kcalloc(&indio_dev->dev, num_ch, sizeof(*ch), GFP_KERNEL);  in stm32_dfsdm_adc_init()