iio/magnetometer/af8133j.c

105 	int ret;
107 	ret = regmap_read(data->regmap, AF8133J_REG_PCODE, &val);
108 	if (ret) {
109 		dev_err(dev, "Error reading product code (%d)\n", ret);
110 		return ret;
124 	int ret;
133 		ret = regmap_write(data->regmap, AF8133J_REG_SWR,
135 		if (ret) {
137 			return ret;
146 		ret = regmap_write(data->regmap, AF8133J_REG_RANGE, data->range);
147 		if (ret)
148 			return ret;
163 	int ret;
165 	ret = regulator_bulk_enable(ARRAY_SIZE(data->supplies), data->supplies);
166 	if (ret) {
168 		return ret;
176 	ret = af8133j_reset(data);
177 	if (ret) {
179 		return ret;
188 	int ret;
190 	ret = regmap_write(data->regmap,
192 	if (ret)
193 		return ret;
196 	ret = regmap_read_poll_timeout(data->regmap, AF8133J_REG_STATUS, val,
199 	if (ret)
200 		return ret;
202 	ret = regmap_write(data->regmap,
204 	if (ret)
205 		return ret;
213 	int ret;
215 	ret = pm_runtime_resume_and_get(dev);
216 	if (ret) {
222 		if (ret != -EACCES)
223 			dev_err(dev, "Failed to power on (%d)\n", ret);
224 		return ret;
228 		ret = af8133j_take_measurement(data);
229 		if (ret)
232 		ret = regmap_bulk_read(data->regmap, AF8133J_REG_OUT,
240 	return ret;
254 	int ret;
258 		ret = af8133j_read_measurement(data, buf);
259 		if (ret)
260 			return ret;
300 	int ret = 0;
317 			ret = regmap_write(data->regmap,
323 	return ret;
364 	int ret;
368 	ret = af8133j_read_measurement(data, sample.values);
369 	if (ret)
402 	int ret, i;
427 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),
429 	if (ret)
430 		return ret;
432 	ret = iio_read_mount_matrix(dev, &data->orientation);
433 	if (ret)
434 		return dev_err_probe(dev, ret, "Failed to read mount matrix\n");
436 	ret = af8133j_power_up(data);
437 	if (ret)
438 		return ret;
442 	ret = devm_add_action_or_reset(dev, af8133j_power_down_action, data);
443 	if (ret)
444 		return ret;
446 	ret = af8133j_product_check(data);
447 	if (ret)
448 		return ret;
453 	ret = devm_pm_runtime_enable(dev);
454 	if (ret)
455 		return ret;
465 	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
467 	if (ret)
468 		return dev_err_probe(&client->dev, ret,
471 	ret = devm_iio_device_register(dev, indio_dev);
472 	if (ret)
473 		return dev_err_probe(dev, ret, "Failed to register iio device");