116 static int mma9551_transfer(struct i2c_client *client,  in mma9551_transfer()  argument
128 		dev_err(&client->dev, "register offset too large\n");  in mma9551_transfer()
145 	out.addr = client->addr;  in mma9551_transfer()
150 	ret = i2c_transfer(client->adapter, &out, 1);  in mma9551_transfer()
152 		dev_err(&client->dev, "i2c write failed\n");  in mma9551_transfer()
160 		in.addr = client->addr;  in mma9551_transfer()
165 		ret = i2c_transfer(client->adapter, &in, 1);  in mma9551_transfer()
167 			dev_err(&client->dev, "i2c read failed\n");  in mma9551_transfer()
176 		dev_err(&client->dev,  in mma9551_transfer()
182 		dev_err(&client->dev,  in mma9551_transfer()
190 		dev_err(&client->dev, "read returned error %x\n", err_code);  in mma9551_transfer()
195 		dev_err(&client->dev,  in mma9551_transfer()
224 int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,  in mma9551_read_config_byte()  argument
227 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_byte()
249 int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,  in mma9551_write_config_byte()  argument
252 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,  in mma9551_write_config_byte()
274 int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,  in mma9551_read_status_byte()  argument
277 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_byte()
299 int mma9551_read_config_word(struct i2c_client *client, u8 app_id,  in mma9551_read_config_word()  argument
305 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_word()
330 int mma9551_write_config_word(struct i2c_client *client, u8 app_id,  in mma9551_write_config_word()  argument
335 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,  in mma9551_write_config_word()
357 int mma9551_read_status_word(struct i2c_client *client, u8 app_id,  in mma9551_read_status_word()  argument
363 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_word()
387 int mma9551_read_config_words(struct i2c_client *client, u8 app_id,  in mma9551_read_config_words()  argument
395 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_read_config_words()
399 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_words()
427 int mma9551_read_status_words(struct i2c_client *client, u8 app_id,  in mma9551_read_status_words()  argument
435 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_read_status_words()
439 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_words()
467 int mma9551_write_config_words(struct i2c_client *client, u8 app_id,  in mma9551_write_config_words()  argument
475 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_write_config_words()
482 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG,  in mma9551_write_config_words()
503 int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,  in mma9551_update_config_bits()  argument
509 	ret = mma9551_read_config_byte(client, app_id, reg, &orig);  in mma9551_update_config_bits()
519 	return mma9551_write_config_byte(client, app_id, reg, tmp);  in mma9551_update_config_bits()
542 int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,  in mma9551_gpio_config()  argument
549 		dev_err(&client->dev, "bad GPIO pin\n");  in mma9551_gpio_config()
559 	ret = mma9551_write_config_byte(client, MMA9551_APPID_GPIO,  in mma9551_gpio_config()
562 		dev_err(&client->dev, "error setting GPIO app_id\n");  in mma9551_gpio_config()
566 	ret = mma9551_write_config_byte(client, MMA9551_APPID_GPIO,  in mma9551_gpio_config()
569 		dev_err(&client->dev, "error setting GPIO bit number\n");  in mma9551_gpio_config()
593 	ret = mma9551_update_config_bits(client, MMA9551_APPID_GPIO, reg,  in mma9551_gpio_config()
596 		dev_err(&client->dev, "error setting GPIO polarity\n");  in mma9551_gpio_config()
614 int mma9551_read_version(struct i2c_client *client)  in mma9551_read_version()  argument
619 	ret = mma9551_transfer(client, MMA9551_APPID_VERSION, 0x00, 0x00,  in mma9551_read_version()
624 	dev_info(&client->dev, "device ID 0x%x, firmware version %02x.%02x\n",  in mma9551_read_version()
649 int mma9551_set_device_state(struct i2c_client *client, bool enable)  in mma9551_set_device_state()  argument
651 	return mma9551_update_config_bits(client, MMA9551_APPID_SLEEP_WAKE,  in mma9551_set_device_state()
672 int mma9551_set_power_state(struct i2c_client *client, bool on)  in mma9551_set_power_state()  argument
678 		ret = pm_runtime_get_sync(&client->dev);  in mma9551_set_power_state()
680 		pm_runtime_mark_last_busy(&client->dev);  in mma9551_set_power_state()
681 		ret = pm_runtime_put_autosuspend(&client->dev);  in mma9551_set_power_state()
685 		dev_err(&client->dev,  in mma9551_set_power_state()
688 			pm_runtime_put_noidle(&client->dev);  in mma9551_set_power_state()
732 int mma9551_read_accel_chan(struct i2c_client *client,  in mma9551_read_accel_chan()  argument
754 	ret = mma9551_set_power_state(client, true);  in mma9551_read_accel_chan()
758 	ret = mma9551_read_status_word(client, MMA9551_APPID_AFE,  in mma9551_read_accel_chan()
768 	mma9551_set_power_state(client, false);  in mma9551_read_accel_chan()
801 int mma9551_app_reset(struct i2c_client *client, u32 app_mask)  in mma9551_app_reset()  argument
803 	return mma9551_write_config_byte(client, MMA9551_APPID_RCS,  in mma9551_app_reset()