299 static int check_buffer_size(const struct adc_sequence *sequence,  in check_buffer_size()  argument
305 	if (sequence->options) {  in check_buffer_size()
306 		needed_buffer_size *= (1U + sequence->options->extra_samplings);  in check_buffer_size()
309 	if (sequence->buffer_size < needed_buffer_size) {  in check_buffer_size()
311 			sequence->buffer_size, needed_buffer_size);  in check_buffer_size()
318 		      const struct adc_sequence *sequence)  in start_read()  argument
325 	if (sequence->oversampling > 10U) {  in start_read()
330 	adc->AVGCTRL.reg = ADC_AVGCTRL_SAMPLENUM(sequence->oversampling);  in start_read()
338 	if (sequence->oversampling > 4U && DSU->DID.bit.REVISION < 3) {  in start_read()
339 		adc->AVGCTRL.bit.ADJRES = sequence->oversampling - 4U;  in start_read()
343 	switch (sequence->resolution) {  in start_read()
345 		if (sequence->oversampling) {  in start_read()
353 		if (sequence->oversampling) {  in start_read()
361 		if (sequence->oversampling) {  in start_read()
369 			sequence->resolution);  in start_read()
375 	if ((sequence->channels == 0)  in start_read()
376 		|| ((sequence->channels & (sequence->channels - 1)) != 0)) {  in start_read()
388 	error = check_buffer_size(sequence, 1);  in start_read()
393 	data->buffer = sequence->buffer;  in start_read()
394 	data->repeat_buffer = sequence->buffer;  in start_read()
401 	adc_context_start_read(&data->ctx, sequence);  in start_read()
408 			 const struct adc_sequence *sequence)  in adc_sam0_read()  argument
414 	error = start_read(dev, sequence);  in adc_sam0_read()
492 			       const struct adc_sequence *sequence,  in adc_sam0_read_async()  argument
499 	error = start_read(dev, sequence);  in adc_sam0_read_async()