hwmon/pmbus/ibm-cffps.c

81 	int rc;
99 		rc = pmbus_lock_interruptible(psu->client);
100 		if (rc)
101 			return rc;
103 		rc = pmbus_set_page(psu->client, 0, 0xff);
104 		if (rc) {
106 			return rc;
113 		rc = i2c_transfer(psu->client->adapter, msg, 2);
115 		if (rc < 0)
116 			return rc;
133 	int i, rc;
139 	rc = pmbus_lock_interruptible(psu->client);
140 	if (rc)
141 		return rc;
143 	rc = pmbus_set_page(psu->client, 0, 0xff);
144 	if (rc)
150 			rc = i2c_smbus_read_word_swapped(psu->client, PMBUS_MFR_POUT_MAX);
152 			rc = i2c_smbus_read_word_data(psu->client, PMBUS_MFR_POUT_MAX);
153 		if (rc >= 0)
154 			rc = snprintf(data, I2C_SMBUS_BLOCK_MAX, "%d", rc);
157 		rc = i2c_smbus_read_word_swapped(psu->client, CFFPS_CCIN_CMD);
158 		if (rc >= 0)
159 			rc = snprintf(data, 5, "%04X", rc);
165 				rc = i2c_smbus_read_byte_data(psu->client, CFFPS_FW_CMD + i);
166 				if (rc < 0)
169 				snprintf(&data[i * 2], 3, "%02X", rc);
172 			rc = i * 2;
176 				rc = i2c_smbus_read_word_data(psu->client, CFFPS_FW_CMD + i);
177 				if (rc < 0)
180 				snprintf(&data[i * 4], 5, "%04X", rc);
183 			rc = i * 4;
186 			rc = -EOPNOTSUPP;
191 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_ON_OFF_CONFIG);
192 		if (rc >= 0)
193 			rc = snprintf(data, 3, "%02x", rc);
196 		rc = -EINVAL;
202 	if (rc < 0)
203 		return rc;
205 	data[rc] = '\n';
206 	rc += 2;
208 	return simple_read_from_buffer(buf, count, ppos, data, rc);
216 	ssize_t rc;
223 		rc = simple_write_to_buffer(&data, 1, ppos, buf, count);
224 		if (rc <= 0)
225 			return rc;
227 		rc = pmbus_lock_interruptible(psu->client);
228 		if (rc)
229 			return rc;
231 		rc = pmbus_set_page(psu->client, 0, 0xff);
232 		if (rc) {
234 			return rc;
237 		rc = i2c_smbus_write_byte_data(psu->client, PMBUS_ON_OFF_CONFIG, data);
239 		if (rc)
240 			return rc;
242 		rc = 1;
248 	return rc;
261 	int rc, mfr;
268 		rc = pmbus_read_byte_data(client, page, reg);
269 		if (rc < 0)
270 			return rc;
279 			return rc;
284 				rc |= PB_FAN_FAN1_FAULT;
287 				rc |= PB_TEMP_OT_FAULT;
290 				rc |= PB_VOLTAGE_OV_FAULT;
292 				rc |= PB_VOLTAGE_UV_FAULT;
295 				rc |= PB_IOUT_OC_FAULT;
297 				rc |= PB_CURRENT_SHARE_FAULT;
301 		rc = -ENODATA;
305 	return rc;
311 	int rc, mfr;
315 		rc = pmbus_read_word_data(client, page, phase, reg);
316 		if (rc < 0)
317 			return rc;
326 			return rc;
329 			rc |= PB_STATUS_OFF;
332 		rc = pmbus_read_word_data(client, page, phase,
336 		rc = -ENODATA;
340 	return rc;
346 	int rc;
364 	rc = pmbus_lock_interruptible(psu->client);
365 	if (rc)
366 		return rc;
368 	rc = pmbus_set_page(psu->client, 0, 0xff);
369 	if (rc) {
371 		return rc;
374 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,
377 	if (rc < 0)
378 		return rc;
390 	int rc;
395 	rc = pmbus_lock_interruptible(psu->client);
396 	if (rc)
397 		return rc;
399 	rc = pmbus_set_page(psu->client, 0, 0xff);
400 	if (rc) {
402 		return rc;
405 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,
408 	if (rc < 0)
409 		return rc;
421 	int rc;
432 	rc = devm_led_classdev_register(dev, &psu->led);
433 	if (rc)
434 		dev_warn(dev, "failed to register led class: %d\n", rc);
484 	int i, rc;
510 		rc = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, mfg_id);
511 		if (rc < 0) {
513 			return rc;
541 	rc = pmbus_do_probe(client, &ibm_cffps_info[vs]);
542 	if (rc)
543 		return rc;