68 	int ret;  in ad_sd_write_reg()  local
94 		ret = spi_sync_locked(sigma_delta->spi, &m);  in ad_sd_write_reg()
96 		ret = spi_sync(sigma_delta->spi, &m);  in ad_sd_write_reg()
98 	return ret;  in ad_sd_write_reg()
106 	int ret;  in ad_sd_read_reg_raw()  local
129 		ret = spi_sync_locked(sigma_delta->spi, &m);  in ad_sd_read_reg_raw()
131 		ret = spi_sync(sigma_delta->spi, &m);  in ad_sd_read_reg_raw()
133 	return ret;  in ad_sd_read_reg_raw()
149 	int ret;  in ad_sd_read_reg()  local
151 	ret = ad_sd_read_reg_raw(sigma_delta, reg, size, sigma_delta->data);  in ad_sd_read_reg()
152 	if (ret < 0)  in ad_sd_read_reg()
171 		ret = -EINVAL;  in ad_sd_read_reg()
176 	return ret;  in ad_sd_read_reg()
183 	int ret;  in ad_sd_calibrate()  local
185 	ret = ad_sigma_delta_set_channel(sigma_delta, channel);  in ad_sd_calibrate()
186 	if (ret)  in ad_sd_calibrate()
187 		return ret;  in ad_sd_calibrate()
193 	ret = ad_sigma_delta_set_mode(sigma_delta, mode);  in ad_sd_calibrate()
194 	if (ret < 0)  in ad_sd_calibrate()
199 	ret = wait_for_completion_timeout(&sigma_delta->completion, 2*HZ);  in ad_sd_calibrate()
200 	if (ret == 0) {  in ad_sd_calibrate()
203 		ret = -EIO;  in ad_sd_calibrate()
205 		ret = 0;  in ad_sd_calibrate()
212 	return ret;  in ad_sd_calibrate()
227 	int ret;  in ad_sd_calibrate_all()  local
230 		ret = ad_sd_calibrate(sigma_delta, cb[i].mode, cb[i].channel);  in ad_sd_calibrate_all()
231 		if (ret)  in ad_sd_calibrate_all()
232 			return ret;  in ad_sd_calibrate_all()
252 	int ret = 0;  in ad_sigma_delta_single_conversion()  local
268 	ret = wait_for_completion_interruptible_timeout(  in ad_sigma_delta_single_conversion()
274 	if (ret == 0)  in ad_sigma_delta_single_conversion()
275 		ret = -EIO;  in ad_sigma_delta_single_conversion()
276 	if (ret < 0)  in ad_sigma_delta_single_conversion()
279 	ret = ad_sd_read_reg(sigma_delta, AD_SD_REG_DATA,  in ad_sigma_delta_single_conversion()
292 	if (ret)  in ad_sigma_delta_single_conversion()
293 		return ret;  in ad_sigma_delta_single_conversion()
299 	ret = ad_sigma_delta_postprocess_sample(sigma_delta, raw_sample);  in ad_sigma_delta_single_conversion()
300 	if (ret)  in ad_sigma_delta_single_conversion()
301 		return ret;  in ad_sigma_delta_single_conversion()
311 	int ret;  in ad_sd_buffer_postenable()  local
313 	ret = iio_triggered_buffer_postenable(indio_dev);  in ad_sd_buffer_postenable()
314 	if (ret < 0)  in ad_sd_buffer_postenable()
315 		return ret;  in ad_sd_buffer_postenable()
319 	ret = ad_sigma_delta_set_channel(sigma_delta,  in ad_sd_buffer_postenable()
321 	if (ret)  in ad_sd_buffer_postenable()
326 	ret = ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_CONTINUOUS);  in ad_sd_buffer_postenable()
327 	if (ret)  in ad_sd_buffer_postenable()
339 	return ret;  in ad_sd_buffer_postenable()
367 	int ret;  in ad_sd_trigger_handler()  local
379 		ret = ad_sd_read_reg_raw(sigma_delta, AD_SD_REG_DATA,  in ad_sd_trigger_handler()
385 		ret = ad_sd_read_reg_raw(sigma_delta, AD_SD_REG_DATA,  in ad_sd_trigger_handler()
444 	int ret;  in ad_sd_probe_trigger()  local
449 		ret = -ENOMEM;  in ad_sd_probe_trigger()
455 	ret = request_irq(sigma_delta->spi->irq,  in ad_sd_probe_trigger()
460 	if (ret)  in ad_sd_probe_trigger()
470 	ret = iio_trigger_register(sigma_delta->trig);  in ad_sd_probe_trigger()
471 	if (ret)  in ad_sd_probe_trigger()
484 	return ret;  in ad_sd_probe_trigger()
502 	int ret;  in ad_sd_setup_buffer_and_trigger()  local
504 	ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,  in ad_sd_setup_buffer_and_trigger()
506 	if (ret)  in ad_sd_setup_buffer_and_trigger()
507 		return ret;  in ad_sd_setup_buffer_and_trigger()
509 	ret = ad_sd_probe_trigger(indio_dev);  in ad_sd_setup_buffer_and_trigger()
510 	if (ret) {  in ad_sd_setup_buffer_and_trigger()
512 		return ret;  in ad_sd_setup_buffer_and_trigger()