108 static int mma9551_transfer(struct i2c_client *client,  in mma9551_transfer()  argument
120 		dev_err(&client->dev, "register offset too large\n");  in mma9551_transfer()
137 	out.addr = client->addr;  in mma9551_transfer()
142 	ret = i2c_transfer(client->adapter, &out, 1);  in mma9551_transfer()
144 		dev_err(&client->dev, "i2c write failed\n");  in mma9551_transfer()
152 		in.addr = client->addr;  in mma9551_transfer()
157 		ret = i2c_transfer(client->adapter, &in, 1);  in mma9551_transfer()
159 			dev_err(&client->dev, "i2c read failed\n");  in mma9551_transfer()
168 		dev_err(&client->dev,  in mma9551_transfer()
174 		dev_err(&client->dev,  in mma9551_transfer()
182 		dev_err(&client->dev, "read returned error %x\n", err_code);  in mma9551_transfer()
187 		dev_err(&client->dev,  in mma9551_transfer()
216 int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,  in mma9551_read_config_byte()  argument
219 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_byte()
241 int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,  in mma9551_write_config_byte()  argument
244 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,  in mma9551_write_config_byte()
266 int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,  in mma9551_read_status_byte()  argument
269 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_byte()
291 int mma9551_read_config_word(struct i2c_client *client, u8 app_id,  in mma9551_read_config_word()  argument
297 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_word()
325 int mma9551_write_config_word(struct i2c_client *client, u8 app_id,  in mma9551_write_config_word()  argument
330 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,  in mma9551_write_config_word()
352 int mma9551_read_status_word(struct i2c_client *client, u8 app_id,  in mma9551_read_status_word()  argument
358 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_word()
385 int mma9551_read_config_words(struct i2c_client *client, u8 app_id,  in mma9551_read_config_words()  argument
392 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_read_config_words()
396 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,  in mma9551_read_config_words()
424 int mma9551_read_status_words(struct i2c_client *client, u8 app_id,  in mma9551_read_status_words()  argument
431 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_read_status_words()
435 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,  in mma9551_read_status_words()
463 int mma9551_write_config_words(struct i2c_client *client, u8 app_id,  in mma9551_write_config_words()  argument
470 		dev_err(&client->dev, "Invalid buffer size %d\n", len);  in mma9551_write_config_words()
477 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG,  in mma9551_write_config_words()
498 int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,  in mma9551_update_config_bits()  argument
504 	ret = mma9551_read_config_byte(client, app_id, reg, &orig);  in mma9551_update_config_bits()
514 	return mma9551_write_config_byte(client, app_id, reg, tmp);  in mma9551_update_config_bits()
537 int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,  in mma9551_gpio_config()  argument
544 		dev_err(&client->dev, "bad GPIO pin\n");  in mma9551_gpio_config()
554 	ret = mma9551_write_config_byte(client, MMA9551_APPID_GPIO,  in mma9551_gpio_config()
557 		dev_err(&client->dev, "error setting GPIO app_id\n");  in mma9551_gpio_config()
561 	ret = mma9551_write_config_byte(client, MMA9551_APPID_GPIO,  in mma9551_gpio_config()
564 		dev_err(&client->dev, "error setting GPIO bit number\n");  in mma9551_gpio_config()
588 	ret = mma9551_update_config_bits(client, MMA9551_APPID_GPIO, reg,  in mma9551_gpio_config()
591 		dev_err(&client->dev, "error setting GPIO polarity\n");  in mma9551_gpio_config()
609 int mma9551_read_version(struct i2c_client *client)  in mma9551_read_version()  argument
614 	ret = mma9551_transfer(client, MMA9551_APPID_VERSION, 0x00, 0x00,  in mma9551_read_version()
619 	dev_info(&client->dev, "device ID 0x%x, firmware version %02x.%02x\n",  in mma9551_read_version()
644 int mma9551_set_device_state(struct i2c_client *client, bool enable)  in mma9551_set_device_state()  argument
646 	return mma9551_update_config_bits(client, MMA9551_APPID_SLEEP_WAKE,  in mma9551_set_device_state()
667 int mma9551_set_power_state(struct i2c_client *client, bool on)  in mma9551_set_power_state()  argument
673 		ret = pm_runtime_resume_and_get(&client->dev);  in mma9551_set_power_state()
675 		pm_runtime_mark_last_busy(&client->dev);  in mma9551_set_power_state()
676 		ret = pm_runtime_put_autosuspend(&client->dev);  in mma9551_set_power_state()
680 		dev_err(&client->dev,  in mma9551_set_power_state()
725 int mma9551_read_accel_chan(struct i2c_client *client,  in mma9551_read_accel_chan()  argument
747 	ret = mma9551_set_power_state(client, true);  in mma9551_read_accel_chan()
751 	ret = mma9551_read_status_word(client, MMA9551_APPID_AFE,  in mma9551_read_accel_chan()
761 	mma9551_set_power_state(client, false);  in mma9551_read_accel_chan()
794 int mma9551_app_reset(struct i2c_client *client, u32 app_mask)  in mma9551_app_reset()  argument
796 	return mma9551_write_config_byte(client, MMA9551_APPID_RSC,  in mma9551_app_reset()