35 static int blinkm_transfer_hw(struct i2c_client *client, int cmd);
36 static int blinkm_test_run(struct i2c_client *client);
150 	struct i2c_client *client;  in show_color_common()  local
154 	client = to_i2c_client(dev);  in show_color_common()
155 	data = i2c_get_clientdata(client);  in show_color_common()
157 	ret = blinkm_transfer_hw(client, BLM_GET_CUR_RGB);  in show_color_common()
175 	struct i2c_client *client;  in store_color_common()  local
180 	client = to_i2c_client(dev);  in store_color_common()
181 	data = i2c_get_clientdata(client);  in store_color_common()
207 	ret = blinkm_transfer_hw(client, BLM_GO_RGB);  in store_color_common()
284 	struct i2c_client *client;  in store_test()  local
286 	client = to_i2c_client(dev);  in store_test()
289 	ret = blinkm_test_run(client);  in store_test()
313 static int blinkm_write(struct i2c_client *client, int cmd, u8 *arg)  in blinkm_write()  argument
319 	result = i2c_smbus_write_byte(client, blinkm_cmds[cmd].cmdbyte);  in blinkm_write()
328 		result = i2c_smbus_write_byte(client, arg[i]);  in blinkm_write()
335 static int blinkm_read(struct i2c_client *client, int cmd, u8 *arg)  in blinkm_read()  argument
342 		result = i2c_smbus_read_byte(client);  in blinkm_read()
351 static int blinkm_transfer_hw(struct i2c_client *client, int cmd)  in blinkm_transfer_hw()  argument
365 	struct blinkm_data *data = i2c_get_clientdata(client);  in blinkm_transfer_hw()
380 		blinkm_write(client, cmd, data->args);  in blinkm_transfer_hw()
390 		blinkm_write(client, cmd, data->args);  in blinkm_transfer_hw()
399 		blinkm_write(client, cmd, data->args);  in blinkm_transfer_hw()
402 		blinkm_write(client, cmd, NULL);  in blinkm_transfer_hw()
408 		blinkm_write(client, cmd, NULL);  in blinkm_transfer_hw()
409 		blinkm_read(client, cmd, data->args);  in blinkm_transfer_hw()
416 		blinkm_write(client, cmd, NULL);  in blinkm_transfer_hw()
417 		blinkm_read(client, cmd, data->args);  in blinkm_transfer_hw()
428 		dev_err(&client->dev,  in blinkm_transfer_hw()
432 		dev_err(&client->dev, "BlinkM: unknown command %d\n", cmd);  in blinkm_transfer_hw()
547 static void blinkm_init_hw(struct i2c_client *client)  in blinkm_init_hw()  argument
550 	ret = blinkm_transfer_hw(client, BLM_STOP_SCRIPT);  in blinkm_init_hw()
551 	ret = blinkm_transfer_hw(client, BLM_GO_RGB);  in blinkm_init_hw()
554 static int blinkm_test_run(struct i2c_client *client)  in blinkm_test_run()  argument
557 	struct blinkm_data *data = i2c_get_clientdata(client);  in blinkm_test_run()
562 	ret = blinkm_transfer_hw(client, BLM_GO_RGB);  in blinkm_test_run()
570 	ret = blinkm_transfer_hw(client, BLM_FADE_RGB);  in blinkm_test_run()
578 	ret = blinkm_transfer_hw(client, BLM_FADE_HSB);  in blinkm_test_run()
587 static int blinkm_detect(struct i2c_client *client, struct i2c_board_info *info)  in blinkm_detect()  argument
589 	struct i2c_adapter *adapter = client->adapter;  in blinkm_detect()
604 		ret = blinkm_write(client, BLM_GET_ADDR, NULL);  in blinkm_detect()
606 		ret = blinkm_read(client, BLM_GET_ADDR, tmpargs);  in blinkm_detect()
614 	ret = blinkm_write(client, BLM_GET_ADDR, NULL);  in blinkm_detect()
618 	ret = blinkm_read(client, BLM_GET_ADDR, tmpargs);  in blinkm_detect()
623 		dev_err(&client->dev, "enodev DEV ADDR = 0x%02X\n", tmpargs[0]);  in blinkm_detect()
631 static int blinkm_probe(struct i2c_client *client,  in blinkm_probe()  argument
639 	data = devm_kzalloc(&client->dev,  in blinkm_probe()
653 	data->i2c_client = client;  in blinkm_probe()
655 	i2c_set_clientdata(client, data);  in blinkm_probe()
659 	err = sysfs_create_group(&client->dev.kobj, &blinkm_group);  in blinkm_probe()
661 		dev_err(&client->dev, "couldn't register sysfs group\n");  in blinkm_probe()
668 		led[i]->i2c_client = client;  in blinkm_probe()
677 					 client->adapter->nr,  in blinkm_probe()
678 					 client->addr);  in blinkm_probe()
681 			err = led_classdev_register(&client->dev,  in blinkm_probe()
684 				dev_err(&client->dev,  in blinkm_probe()
693 					 client->adapter->nr,  in blinkm_probe()
694 					 client->addr);  in blinkm_probe()
697 			err = led_classdev_register(&client->dev,  in blinkm_probe()
700 				dev_err(&client->dev,  in blinkm_probe()
709 					 client->adapter->nr,  in blinkm_probe()
710 					 client->addr);  in blinkm_probe()
713 			err = led_classdev_register(&client->dev,  in blinkm_probe()
716 				dev_err(&client->dev,  in blinkm_probe()
726 	blinkm_init_hw(client);  in blinkm_probe()
737 	sysfs_remove_group(&client->dev.kobj, &blinkm_group);  in blinkm_probe()
742 static int blinkm_remove(struct i2c_client *client)  in blinkm_remove()  argument
744 	struct blinkm_data *data = i2c_get_clientdata(client);  in blinkm_remove()
758 	ret = blinkm_transfer_hw(client, BLM_FADE_RGB);  in blinkm_remove()
760 		dev_err(&client->dev, "Failure in blinkm_remove ignored. Continuing.\n");  in blinkm_remove()
766 	ret = blinkm_transfer_hw(client, BLM_FADE_HSB);  in blinkm_remove()
768 		dev_err(&client->dev, "Failure in blinkm_remove ignored. Continuing.\n");  in blinkm_remove()
772 	ret = blinkm_transfer_hw(client, BLM_GO_RGB);  in blinkm_remove()
774 		dev_err(&client->dev, "Failure in blinkm_remove ignored. Continuing.\n");  in blinkm_remove()
778 	ret = blinkm_transfer_hw(client, BLM_FADE_RGB);  in blinkm_remove()
780 		dev_err(&client->dev, "Failure in blinkm_remove ignored. Continuing.\n");  in blinkm_remove()
782 	sysfs_remove_group(&client->dev.kobj, &blinkm_group);  in blinkm_remove()