98 static ssize_t ibm_cffps_read_input_history(struct ibm_cffps *psu,  in ibm_cffps_read_input_history()  argument
107 			.addr = psu->client->addr,  in ibm_cffps_read_input_history()
108 			.flags = psu->client->flags,  in ibm_cffps_read_input_history()
112 			.addr = psu->client->addr,  in ibm_cffps_read_input_history()
113 			.flags = psu->client->flags | I2C_M_RD,  in ibm_cffps_read_input_history()
120 		mutex_lock(&psu->input_history.update_lock);  in ibm_cffps_read_input_history()
121 		if (time_after(jiffies, psu->input_history.last_update + HZ)) {  in ibm_cffps_read_input_history()
126 			rc = i2c_transfer(psu->client->adapter, msg, 2);  in ibm_cffps_read_input_history()
128 				mutex_unlock(&psu->input_history.update_lock);  in ibm_cffps_read_input_history()
132 			psu->input_history.byte_count = msgbuf1[0];  in ibm_cffps_read_input_history()
133 			memcpy(psu->input_history.data, &msgbuf1[1],  in ibm_cffps_read_input_history()
135 			psu->input_history.last_update = jiffies;  in ibm_cffps_read_input_history()
138 		mutex_unlock(&psu->input_history.update_lock);  in ibm_cffps_read_input_history()
142 				       psu->input_history.data,  in ibm_cffps_read_input_history()
143 				       psu->input_history.byte_count);  in ibm_cffps_read_input_history()
153 	struct ibm_cffps *psu = to_psu(idxp, idx);  in ibm_cffps_debugfs_read()  local
156 	pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_debugfs_read()
160 		return ibm_cffps_read_input_history(psu, buf, count, ppos);  in ibm_cffps_debugfs_read()
174 		if (psu->version == cffps1) {  in ibm_cffps_debugfs_read()
175 			rc = i2c_smbus_read_word_swapped(psu->client,  in ibm_cffps_debugfs_read()
178 			rc = i2c_smbus_read_word_data(psu->client,  in ibm_cffps_debugfs_read()
188 		rc = i2c_smbus_read_word_swapped(psu->client, CFFPS_CCIN_CMD);  in ibm_cffps_debugfs_read()
195 		switch (psu->version) {  in ibm_cffps_debugfs_read()
198 				rc = i2c_smbus_read_byte_data(psu->client,  in ibm_cffps_debugfs_read()
211 				rc = i2c_smbus_read_word_data(psu->client,  in ibm_cffps_debugfs_read()
227 		rc = i2c_smbus_read_byte_data(psu->client,  in ibm_cffps_debugfs_read()
238 	rc = i2c_smbus_read_block_data(psu->client, cmd, data);  in ibm_cffps_debugfs_read()
257 	struct ibm_cffps *psu = to_psu(idxp, idx);  in ibm_cffps_debugfs_write()  local
261 		pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_debugfs_write()
267 		rc = i2c_smbus_write_byte_data(psu->client,  in ibm_cffps_debugfs_write()
378 	struct ibm_cffps *psu = container_of(led_cdev, struct ibm_cffps, led);  in ibm_cffps_led_brightness_set()  local
385 		if (psu->led_state != CFFPS_LED_BLINK)  in ibm_cffps_led_brightness_set()
391 	dev_dbg(&psu->client->dev, "LED brightness set: %d. Command: %d.\n",  in ibm_cffps_led_brightness_set()
394 	pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_led_brightness_set()
396 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,  in ibm_cffps_led_brightness_set()
401 	psu->led_state = next_led_state;  in ibm_cffps_led_brightness_set()
412 	struct ibm_cffps *psu = container_of(led_cdev, struct ibm_cffps, led);  in ibm_cffps_led_blink_set()  local
414 	dev_dbg(&psu->client->dev, "LED blink set.\n");  in ibm_cffps_led_blink_set()
416 	pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_led_blink_set()
418 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,  in ibm_cffps_led_blink_set()
423 	psu->led_state = CFFPS_LED_BLINK;  in ibm_cffps_led_blink_set()
431 static void ibm_cffps_create_led_class(struct ibm_cffps *psu)  in ibm_cffps_create_led_class()  argument
434 	struct i2c_client *client = psu->client;  in ibm_cffps_create_led_class()
437 	snprintf(psu->led_name, sizeof(psu->led_name), "%s-%02x", client->name,  in ibm_cffps_create_led_class()
439 	psu->led.name = psu->led_name;  in ibm_cffps_create_led_class()
440 	psu->led.max_brightness = LED_FULL;  in ibm_cffps_create_led_class()
441 	psu->led.brightness_set_blocking = ibm_cffps_led_brightness_set;  in ibm_cffps_create_led_class()
442 	psu->led.blink_set = ibm_cffps_led_blink_set;  in ibm_cffps_create_led_class()
444 	rc = devm_led_classdev_register(dev, &psu->led);  in ibm_cffps_create_led_class()
490 	struct ibm_cffps *psu;  in ibm_cffps_probe()  local
541 	psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL);  in ibm_cffps_probe()
542 	if (!psu)  in ibm_cffps_probe()
545 	psu->version = vs;  in ibm_cffps_probe()
546 	psu->client = client;  in ibm_cffps_probe()
547 	mutex_init(&psu->input_history.update_lock);  in ibm_cffps_probe()
548 	psu->input_history.last_update = jiffies - HZ;  in ibm_cffps_probe()
550 	ibm_cffps_create_led_class(psu);  in ibm_cffps_probe()
562 		psu->debugfs_entries[i] = i;  in ibm_cffps_probe()
565 			    &psu->debugfs_entries[CFFPS_DEBUGFS_INPUT_HISTORY],  in ibm_cffps_probe()
568 			    &psu->debugfs_entries[CFFPS_DEBUGFS_FRU],  in ibm_cffps_probe()
571 			    &psu->debugfs_entries[CFFPS_DEBUGFS_PN],  in ibm_cffps_probe()
574 			    &psu->debugfs_entries[CFFPS_DEBUGFS_HEADER],  in ibm_cffps_probe()
577 			    &psu->debugfs_entries[CFFPS_DEBUGFS_SN],  in ibm_cffps_probe()
580 			    &psu->debugfs_entries[CFFPS_DEBUGFS_MAX_POWER_OUT],  in ibm_cffps_probe()
583 			    &psu->debugfs_entries[CFFPS_DEBUGFS_CCIN],  in ibm_cffps_probe()
586 			    &psu->debugfs_entries[CFFPS_DEBUGFS_FW],  in ibm_cffps_probe()
589 			    &psu->debugfs_entries[CFFPS_DEBUGFS_ON_OFF_CONFIG],  in ibm_cffps_probe()