129 	int ret;  in iadc_read()  local
131 	ret = regmap_read(iadc->regmap, iadc->base + offset, &val);  in iadc_read()
132 	if (ret < 0)  in iadc_read()
133 		return ret;  in iadc_read()
147 	int ret;  in iadc_reset()  local
149 	ret = iadc_write(iadc, IADC_SEC_ACCESS, IADC_SEC_ACCESS_DATA);  in iadc_reset()
150 	if (ret < 0)  in iadc_reset()
151 		return ret;  in iadc_reset()
153 	ret = iadc_read(iadc, IADC_PERH_RESET_CTL3, &data);  in iadc_reset()
154 	if (ret < 0)  in iadc_reset()
155 		return ret;  in iadc_reset()
157 	ret = iadc_write(iadc, IADC_SEC_ACCESS, IADC_SEC_ACCESS_DATA);  in iadc_reset()
158 	if (ret < 0)  in iadc_reset()
159 		return ret;  in iadc_reset()
174 	int ret;  in iadc_status_show()  local
176 	ret = iadc_read(iadc, IADC_MODE_CTL, &mode);  in iadc_status_show()
177 	if (ret < 0)  in iadc_status_show()
180 	ret = iadc_read(iadc, IADC_DIG_PARAM, &dig);  in iadc_status_show()
181 	if (ret < 0)  in iadc_status_show()
184 	ret = iadc_read(iadc, IADC_CH_SEL_CTL, &chan);  in iadc_status_show()
185 	if (ret < 0)  in iadc_status_show()
188 	ret = iadc_read(iadc, IADC_CONV_REQ, &req);  in iadc_status_show()
189 	if (ret < 0)  in iadc_status_show()
192 	ret = iadc_read(iadc, IADC_STATUS1, &sta1);  in iadc_status_show()
193 	if (ret < 0)  in iadc_status_show()
196 	ret = iadc_read(iadc, IADC_EN_CTL1, &en);  in iadc_status_show()
197 	if (ret < 0)  in iadc_status_show()
208 	int ret;  in iadc_configure()  local
212 	ret = iadc_write(iadc, IADC_MODE_CTL, mode);  in iadc_configure()
213 	if (ret < 0)  in iadc_configure()
214 		return ret;  in iadc_configure()
217 	ret = iadc_write(iadc, IADC_CH_SEL_CTL, channel);  in iadc_configure()
218 	if (ret < 0)  in iadc_configure()
219 		return ret;  in iadc_configure()
223 	ret = iadc_write(iadc, IADC_DIG_PARAM, decim);  in iadc_configure()
224 	if (ret < 0)  in iadc_configure()
225 		return ret;  in iadc_configure()
228 	ret = iadc_write(iadc, IADC_HW_SETTLE_DELAY, IADC_DEF_HW_SETTLE_TIME);  in iadc_configure()
229 	if (ret < 0)  in iadc_configure()
230 		return ret;  in iadc_configure()
232 	ret = iadc_write(iadc, IADC_FAST_AVG_CTL, IADC_DEF_AVG_SAMPLES);  in iadc_configure()
233 	if (ret < 0)  in iadc_configure()
234 		return ret;  in iadc_configure()
237 		ret = iadc_write(iadc, IADC_FAST_AVG_EN, IADC_FAST_AVG_EN_SET);  in iadc_configure()
239 		ret = iadc_write(iadc, IADC_FAST_AVG_EN, 0);  in iadc_configure()
241 	if (ret < 0)  in iadc_configure()
242 		return ret;  in iadc_configure()
247 	ret = iadc_set_state(iadc, true);  in iadc_configure()
248 	if (ret < 0)  in iadc_configure()
249 		return ret;  in iadc_configure()
258 	int ret;  in iadc_poll_wait_eoc()  local
264 		ret = iadc_read(iadc, IADC_STATUS1, &sta1);  in iadc_poll_wait_eoc()
265 		if (ret < 0)  in iadc_poll_wait_eoc()
266 			return ret;  in iadc_poll_wait_eoc()
288 	int ret;  in iadc_do_conversion()  local
290 	ret = iadc_configure(iadc, chan);  in iadc_do_conversion()
291 	if (ret < 0)  in iadc_do_conversion()
297 		ret = iadc_poll_wait_eoc(iadc, wait);  in iadc_do_conversion()
299 		ret = wait_for_completion_timeout(&iadc->complete,  in iadc_do_conversion()
301 		if (!ret)  in iadc_do_conversion()
302 			ret = -ETIMEDOUT;  in iadc_do_conversion()
305 			ret = iadc_poll_wait_eoc(iadc, IADC_CONV_TIME_MIN_US);  in iadc_do_conversion()
308 	if (!ret)  in iadc_do_conversion()
309 		ret = iadc_read_result(iadc, data);  in iadc_do_conversion()
312 	if (ret < 0)  in iadc_do_conversion()
315 	return ret;  in iadc_do_conversion()
325 	int ret;  in iadc_read_raw()  local
330 		ret = iadc_do_conversion(iadc, chan->channel, &adc_raw);  in iadc_read_raw()
332 		if (ret < 0)  in iadc_read_raw()
333 			return ret;  in iadc_read_raw()
373 	int ret;  in iadc_update_offset()  local
375 	ret = iadc_do_conversion(iadc, IADC_GAIN_17P857MV, &iadc->gain);  in iadc_update_offset()
376 	if (ret < 0)  in iadc_update_offset()
377 		return ret;  in iadc_update_offset()
379 	ret = iadc_do_conversion(iadc, IADC_INT_OFFSET_CSP2_CSN2,  in iadc_update_offset()
381 	if (ret < 0)  in iadc_update_offset()
382 		return ret;  in iadc_update_offset()
390 	ret = iadc_do_conversion(iadc, IADC_EXT_OFFSET_CSP_CSN,  in iadc_update_offset()
392 	if (ret < 0)  in iadc_update_offset()
393 		return ret;  in iadc_update_offset()
407 	int ret;  in iadc_version_check()  local
409 	ret = iadc_read(iadc, IADC_PERPH_TYPE, &val);  in iadc_version_check()
410 	if (ret < 0)  in iadc_version_check()
411 		return ret;  in iadc_version_check()
418 	ret = iadc_read(iadc, IADC_PERPH_SUBTYPE, &val);  in iadc_version_check()
419 	if (ret < 0)  in iadc_version_check()
420 		return ret;  in iadc_version_check()
427 	ret = iadc_read(iadc, IADC_REVISION2, &val);  in iadc_version_check()
428 	if (ret < 0)  in iadc_version_check()
429 		return ret;  in iadc_version_check()
441 	int ret, sign, int_sense;  in iadc_rsense_read()  local
444 	ret = of_property_read_u32(node, "qcom,external-resistor-micro-ohms",  in iadc_rsense_read()
446 	if (ret < 0)  in iadc_rsense_read()
454 	ret = iadc_read(iadc, IADC_NOMINAL_RSENSE, &deviation);  in iadc_rsense_read()
455 	if (ret < 0)  in iadc_rsense_read()
456 		return ret;  in iadc_rsense_read()
500 	int ret, irq_eoc;  in iadc_probe()  local
517 	ret = of_property_read_u32(node, "reg", &res);  in iadc_probe()
518 	if (ret < 0)  in iadc_probe()
523 	ret = iadc_version_check(iadc);  in iadc_probe()
524 	if (ret < 0)  in iadc_probe()
527 	ret = iadc_rsense_read(iadc, node);  in iadc_probe()
528 	if (ret < 0)  in iadc_probe()
542 	ret = iadc_reset(iadc);  in iadc_probe()
543 	if (ret < 0) {  in iadc_probe()
545 		return ret;  in iadc_probe()
549 		ret = devm_request_irq(dev, irq_eoc, iadc_isr, 0,  in iadc_probe()
551 		if (!ret)  in iadc_probe()
554 			return ret;  in iadc_probe()
559 	ret = iadc_update_offset(iadc);  in iadc_probe()
560 	if (ret < 0) {  in iadc_probe()
562 		return ret;  in iadc_probe()