119 	int ret;  in ad2s1210_config_write()  local
123 	ret = spi_write(st->sdev, st->tx, 1);  in ad2s1210_config_write()
124 	if (ret < 0)  in ad2s1210_config_write()
125 		return ret;  in ad2s1210_config_write()
146 	int ret = 0;  in ad2s1210_config_read()  local
151 	ret = spi_sync_transfer(st->sdev, xfers, 2);  in ad2s1210_config_read()
152 	if (ret < 0)  in ad2s1210_config_read()
153 		return ret;  in ad2s1210_config_read()
161 	int ret;  in ad2s1210_update_frequency_control_word()  local
170 	ret = ad2s1210_config_write(st, AD2S1210_REG_EXCIT_FREQ);  in ad2s1210_update_frequency_control_word()
171 	if (ret < 0)  in ad2s1210_update_frequency_control_word()
172 		return ret;  in ad2s1210_update_frequency_control_word()
191 	int ret;  in ad2s1210_soft_reset()  local
193 	ret = ad2s1210_config_write(st, AD2S1210_REG_SOFT_RESET);  in ad2s1210_soft_reset()
194 	if (ret < 0)  in ad2s1210_soft_reset()
195 		return ret;  in ad2s1210_soft_reset()
216 	int ret;  in ad2s1210_store_fclkin()  local
218 	ret = kstrtouint(buf, 10, &fclkin);  in ad2s1210_store_fclkin()
219 	if (ret)  in ad2s1210_store_fclkin()
220 		return ret;  in ad2s1210_store_fclkin()
229 	ret = ad2s1210_update_frequency_control_word(st);  in ad2s1210_store_fclkin()
230 	if (ret < 0)  in ad2s1210_store_fclkin()
232 	ret = ad2s1210_soft_reset(st);  in ad2s1210_store_fclkin()
236 	return ret < 0 ? ret : len;  in ad2s1210_store_fclkin()
254 	int ret;  in ad2s1210_store_fexcit()  local
256 	ret = kstrtouint(buf, 10, &fexcit);  in ad2s1210_store_fexcit()
257 	if (ret < 0)  in ad2s1210_store_fexcit()
258 		return ret;  in ad2s1210_store_fexcit()
266 	ret = ad2s1210_update_frequency_control_word(st);  in ad2s1210_store_fexcit()
267 	if (ret < 0)  in ad2s1210_store_fexcit()
269 	ret = ad2s1210_soft_reset(st);  in ad2s1210_store_fexcit()
273 	return ret < 0 ? ret : len;  in ad2s1210_store_fexcit()
281 	int ret;  in ad2s1210_show_control()  local
284 	ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);  in ad2s1210_show_control()
286 	return ret < 0 ? ret : sprintf(buf, "0x%x\n", ret);  in ad2s1210_show_control()
296 	int ret;  in ad2s1210_store_control()  local
298 	ret = kstrtou8(buf, 16, &udata);  in ad2s1210_store_control()
299 	if (ret)  in ad2s1210_store_control()
303 	ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);  in ad2s1210_store_control()
304 	if (ret < 0)  in ad2s1210_store_control()
307 	ret = ad2s1210_config_write(st, data);  in ad2s1210_store_control()
308 	if (ret < 0)  in ad2s1210_store_control()
311 	ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);  in ad2s1210_store_control()
312 	if (ret < 0)  in ad2s1210_store_control()
314 	if (ret & AD2S1210_MSB_IS_HIGH) {  in ad2s1210_store_control()
315 		ret = -EIO;  in ad2s1210_store_control()
323 	ret = len;  in ad2s1210_store_control()
328 	return ret;  in ad2s1210_store_control()
347 	int ret;  in ad2s1210_store_resolution()  local
349 	ret = kstrtou8(buf, 10, &udata);  in ad2s1210_store_resolution()
350 	if (ret || udata < 10 || udata > 16) {  in ad2s1210_store_resolution()
355 	ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);  in ad2s1210_store_resolution()
356 	if (ret < 0)  in ad2s1210_store_resolution()
358 	data = ret;  in ad2s1210_store_resolution()
361 	ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);  in ad2s1210_store_resolution()
362 	if (ret < 0)  in ad2s1210_store_resolution()
364 	ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW);  in ad2s1210_store_resolution()
365 	if (ret < 0)  in ad2s1210_store_resolution()
367 	ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);  in ad2s1210_store_resolution()
368 	if (ret < 0)  in ad2s1210_store_resolution()
370 	data = ret;  in ad2s1210_store_resolution()
372 		ret = -EIO;  in ad2s1210_store_resolution()
379 	ret = len;  in ad2s1210_store_resolution()
382 	return ret;  in ad2s1210_store_resolution()
390 	int ret;  in ad2s1210_show_fault()  local
393 	ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT);  in ad2s1210_show_fault()
396 	return ret ? ret : sprintf(buf, "0x%x\n", ret);  in ad2s1210_show_fault()
405 	int ret;  in ad2s1210_clear_fault()  local
412 	ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT);  in ad2s1210_clear_fault()
413 	if (ret < 0)  in ad2s1210_clear_fault()
420 	return ret < 0 ? ret : len;  in ad2s1210_clear_fault()
429 	int ret;  in ad2s1210_show_reg()  local
432 	ret = ad2s1210_config_read(st, iattr->address);  in ad2s1210_show_reg()
435 	return ret < 0 ? ret : sprintf(buf, "%d\n", ret);  in ad2s1210_show_reg()
444 	int ret;  in ad2s1210_store_reg()  local
447 	ret = kstrtou8(buf, 10, &data);  in ad2s1210_store_reg()
448 	if (ret)  in ad2s1210_store_reg()
451 	ret = ad2s1210_config_write(st, iattr->address);  in ad2s1210_store_reg()
452 	if (ret < 0)  in ad2s1210_store_reg()
454 	ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW);  in ad2s1210_store_reg()
457 	return ret < 0 ? ret : len;  in ad2s1210_store_reg()
468 	int ret = 0;  in ad2s1210_read_raw()  local
485 		ret = -EINVAL;  in ad2s1210_read_raw()
488 	if (ret < 0)  in ad2s1210_read_raw()
490 	ret = spi_read(st->sdev, st->rx, 2);  in ad2s1210_read_raw()
491 	if (ret < 0)  in ad2s1210_read_raw()
500 		ret = IIO_VAL_INT;  in ad2s1210_read_raw()
510 		ret = IIO_VAL_INT;  in ad2s1210_read_raw()
522 	return ret;  in ad2s1210_read_raw()
595 	int ret;  in ad2s1210_initial()  local
600 	ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);  in ad2s1210_initial()
601 	if (ret < 0)  in ad2s1210_initial()
605 	ret = ad2s1210_config_write(st, data);  in ad2s1210_initial()
606 	if (ret < 0)  in ad2s1210_initial()
608 	ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);  in ad2s1210_initial()
609 	if (ret < 0)  in ad2s1210_initial()
612 	if (ret & AD2S1210_MSB_IS_HIGH) {  in ad2s1210_initial()
613 		ret = -EIO;  in ad2s1210_initial()
617 	ret = ad2s1210_update_frequency_control_word(st);  in ad2s1210_initial()
618 	if (ret < 0)  in ad2s1210_initial()
620 	ret = ad2s1210_soft_reset(st);  in ad2s1210_initial()
623 	return ret;  in ad2s1210_initial()
634 	int i, ret;  in ad2s1210_setup_gpios()  local
640 			ret = PTR_ERR(st->gpios[i]);  in ad2s1210_setup_gpios()
643 				gpios[i].name, ret);  in ad2s1210_setup_gpios()
644 			return ret;  in ad2s1210_setup_gpios()
655 	int ret;  in ad2s1210_probe()  local
661 	ret = ad2s1210_setup_gpios(st);  in ad2s1210_probe()
662 	if (ret < 0)  in ad2s1210_probe()
663 		return ret;  in ad2s1210_probe()
680 	ret = devm_iio_device_register(&spi->dev, indio_dev);  in ad2s1210_probe()
681 	if (ret)  in ad2s1210_probe()
682 		return ret;  in ad2s1210_probe()