120 static int icp10100_send_cmd(struct icp10100_state *st,  in icp10100_send_cmd()  argument
130 			.addr = st->client->addr,  in icp10100_send_cmd()
135 			.addr = st->client->addr,  in icp10100_send_cmd()
152 	dev_dbg(&st->client->dev, "sending cmd %#x\n", be16_to_cpu(cmd->cmd));  in icp10100_send_cmd()
156 		ret = icp10100_i2c_xfer(st->client->adapter, msgs,  in icp10100_send_cmd()
162 		ret = icp10100_i2c_xfer(st->client->adapter, &msgs[0], 1);  in icp10100_send_cmd()
169 			ret = icp10100_i2c_xfer(st->client->adapter, &msgs[1], 1);  in icp10100_send_cmd()
183 			dev_err(&st->client->dev, "crc error recv=%#x calc=%#x\n",  in icp10100_send_cmd()
194 static int icp10100_read_cal_otp(struct icp10100_state *st)  in icp10100_read_cal_otp()  argument
201 	ret = i2c_master_send(st->client, icp10100_switch_mode_otp,  in icp10100_read_cal_otp()
210 		ret = icp10100_send_cmd(st, &icp10100_cmd_read_otp,  in icp10100_read_cal_otp()
214 		st->cal[i] = be16_to_cpu(val);  in icp10100_read_cal_otp()
215 		dev_dbg(&st->client->dev, "cal[%d] = %d\n", i, st->cal[i]);  in icp10100_read_cal_otp()
221 static int icp10100_init_chip(struct icp10100_state *st)  in icp10100_init_chip()  argument
228 	ret = icp10100_send_cmd(st, &icp10100_cmd_read_id, &val, sizeof(val));  in icp10100_init_chip()
233 		dev_err(&st->client->dev, "invalid id %#x\n", id);  in icp10100_init_chip()
238 	ret = icp10100_read_cal_otp(st);  in icp10100_init_chip()
243 	return icp10100_send_cmd(st, &icp10100_cmd_soft_reset, NULL, 0);  in icp10100_init_chip()
246 static int icp10100_get_measures(struct icp10100_state *st,  in icp10100_get_measures()  argument
253 	ret = pm_runtime_resume_and_get(&st->client->dev);  in icp10100_get_measures()
257 	mutex_lock(&st->lock);  in icp10100_get_measures()
258 	cmd = &icp10100_cmd_measure[st->mode];  in icp10100_get_measures()
259 	ret = icp10100_send_cmd(st, cmd, measures, sizeof(measures));  in icp10100_get_measures()
260 	mutex_unlock(&st->lock);  in icp10100_get_measures()
268 	pm_runtime_mark_last_busy(&st->client->dev);  in icp10100_get_measures()
270 	pm_runtime_put_autosuspend(&st->client->dev);  in icp10100_get_measures()
274 static uint32_t icp10100_get_pressure(struct icp10100_state *st,  in icp10100_get_pressure()  argument
288 	dev_dbg(&st->client->dev, "raw: pressure = %u, temp = %u\n",  in icp10100_get_pressure()
294 	val1 = (int64_t)st->cal[0] * (int64_t)t_square;  in icp10100_get_pressure()
296 	val1 = (int64_t)st->cal[1] * (int64_t)t_square;  in icp10100_get_pressure()
297 	p_lut[1] = offset_factor * st->cal[3] +  in icp10100_get_pressure()
299 	val1 = (int64_t)st->cal[2] * (int64_t)t_square;  in icp10100_get_pressure()
301 	dev_dbg(&st->client->dev, "p_lut = [%d, %d, %d]\n",  in icp10100_get_pressure()
315 	dev_dbg(&st->client->dev, "val1 = %lld, val2 = %lld, c = %lld\n",  in icp10100_get_pressure()
322 	dev_dbg(&st->client->dev, "val1 = %lld, val2 = %lld, a = %lld\n",  in icp10100_get_pressure()
325 	dev_dbg(&st->client->dev, "b = %lld\n", b);  in icp10100_get_pressure()
340 	struct icp10100_state *st = iio_priv(indio_dev);  in icp10100_read_raw_measures()  local
350 	ret = icp10100_get_measures(st, &raw_pressure, &raw_temp);  in icp10100_read_raw_measures()
356 		pressure_mPa = icp10100_get_pressure(st, raw_pressure,  in icp10100_read_raw_measures()
381 	struct icp10100_state *st = iio_priv(indio_dev);  in icp10100_read_raw()  local
409 		mutex_lock(&st->lock);  in icp10100_read_raw()
410 		*val = 1 << st->mode;  in icp10100_read_raw()
411 		mutex_unlock(&st->lock);  in icp10100_read_raw()
440 	struct icp10100_state *st = iio_priv(indio_dev);  in icp10100_write_raw()  local
455 		mutex_lock(&st->lock);  in icp10100_write_raw()
456 		st->mode = mode;  in icp10100_write_raw()
457 		mutex_unlock(&st->lock);  in icp10100_write_raw()
504 static int icp10100_enable_regulator(struct icp10100_state *st)  in icp10100_enable_regulator()  argument
508 	ret = regulator_enable(st->vdd);  in icp10100_enable_regulator()
518 	struct icp10100_state *st = data;  in icp10100_disable_regulator_action()  local
521 	ret = regulator_disable(st->vdd);  in icp10100_disable_regulator_action()
523 		dev_err(&st->client->dev, "error %d disabling vdd\n", ret);  in icp10100_disable_regulator_action()
536 	struct icp10100_state *st;  in icp10100_probe()  local
544 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));  in icp10100_probe()
555 	st = iio_priv(indio_dev);  in icp10100_probe()
556 	mutex_init(&st->lock);  in icp10100_probe()
557 	st->client = client;  in icp10100_probe()
558 	st->mode = ICP10100_MODE_N;  in icp10100_probe()
560 	st->vdd = devm_regulator_get(&client->dev, "vdd");  in icp10100_probe()
561 	if (IS_ERR(st->vdd))  in icp10100_probe()
562 		return PTR_ERR(st->vdd);  in icp10100_probe()
564 	ret = icp10100_enable_regulator(st);  in icp10100_probe()
569 				       icp10100_disable_regulator_action, st);  in icp10100_probe()
576 	ret = icp10100_init_chip(st);  in icp10100_probe()
599 	struct icp10100_state *st = iio_priv(dev_get_drvdata(dev));  in icp10100_suspend()  local
602 	mutex_lock(&st->lock);  in icp10100_suspend()
603 	ret = regulator_disable(st->vdd);  in icp10100_suspend()
604 	mutex_unlock(&st->lock);  in icp10100_suspend()
611 	struct icp10100_state *st = iio_priv(dev_get_drvdata(dev));  in icp10100_resume()  local
614 	mutex_lock(&st->lock);  in icp10100_resume()
616 	ret = icp10100_enable_regulator(st);  in icp10100_resume()
621 	ret = icp10100_send_cmd(st, &icp10100_cmd_soft_reset, NULL, 0);  in icp10100_resume()
624 	mutex_unlock(&st->lock);  in icp10100_resume()