129 	int ret;  in stk8312_otp_init()  local
133 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_OTPADDR, 0x70);  in stk8312_otp_init()
134 	if (ret < 0)  in stk8312_otp_init()
136 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_OTPCTRL, 0x02);  in stk8312_otp_init()
137 	if (ret < 0)  in stk8312_otp_init()
142 		ret = i2c_smbus_read_byte_data(client, STK8312_REG_OTPCTRL);  in stk8312_otp_init()
143 		if (ret < 0)  in stk8312_otp_init()
146 	} while (!(ret & BIT(7)) && count > 0);  in stk8312_otp_init()
149 		ret = -ETIMEDOUT;  in stk8312_otp_init()
153 	ret = i2c_smbus_read_byte_data(client, STK8312_REG_OTPDATA);  in stk8312_otp_init()
154 	if (ret == 0)  in stk8312_otp_init()
155 		ret = -EINVAL;  in stk8312_otp_init()
156 	if (ret < 0)  in stk8312_otp_init()
159 	ret = i2c_smbus_write_byte_data(data->client, STK8312_REG_AFECTRL, ret);  in stk8312_otp_init()
160 	if (ret < 0)  in stk8312_otp_init()
168 	return ret;  in stk8312_otp_init()
173 	int ret;  in stk8312_set_mode()  local
179 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_MODE, mode);  in stk8312_set_mode()
180 	if (ret < 0) {  in stk8312_set_mode()
182 		return ret;  in stk8312_set_mode()
189 		ret = stk8312_otp_init(data);  in stk8312_set_mode()
192 	return ret;  in stk8312_set_mode()
197 	int ret;  in stk8312_set_interrupts()  local
203 	ret = stk8312_set_mode(data, STK8312_MODE_STANDBY);  in stk8312_set_interrupts()
204 	if (ret < 0)  in stk8312_set_interrupts()
205 		return ret;  in stk8312_set_interrupts()
207 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_INTSU, int_mask);  in stk8312_set_interrupts()
208 	if (ret < 0) {  in stk8312_set_interrupts()
211 		return ret;  in stk8312_set_interrupts()
222 	int ret;  in stk8312_data_rdy_trigger_set_state()  local
225 		ret = stk8312_set_interrupts(data, STK8312_DREADY_BIT);  in stk8312_data_rdy_trigger_set_state()
227 		ret = stk8312_set_interrupts(data, 0x00);  in stk8312_data_rdy_trigger_set_state()
229 	if (ret < 0) {  in stk8312_data_rdy_trigger_set_state()
231 		return ret;  in stk8312_data_rdy_trigger_set_state()
246 	int ret;  in stk8312_set_sample_rate()  local
256 	ret = stk8312_set_mode(data, STK8312_MODE_STANDBY);  in stk8312_set_sample_rate()
257 	if (ret < 0)  in stk8312_set_sample_rate()
258 		return ret;  in stk8312_set_sample_rate()
260 	ret = i2c_smbus_read_byte_data(client, STK8312_REG_SR);  in stk8312_set_sample_rate()
261 	if (ret < 0)  in stk8312_set_sample_rate()
264 	masked_reg = (ret & (~STK8312_SR_MASK)) | rate;  in stk8312_set_sample_rate()
266 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_SR, masked_reg);  in stk8312_set_sample_rate()
267 	if (ret < 0)  in stk8312_set_sample_rate()
278 	return ret;  in stk8312_set_sample_rate()
283 	int ret;  in stk8312_set_range()  local
295 	ret = stk8312_set_mode(data, STK8312_MODE_STANDBY);  in stk8312_set_range()
296 	if (ret < 0)  in stk8312_set_range()
297 		return ret;  in stk8312_set_range()
299 	ret = i2c_smbus_read_byte_data(client, STK8312_REG_STH);  in stk8312_set_range()
300 	if (ret < 0)  in stk8312_set_range()
303 	masked_reg = ret & (~STK8312_RNG_MASK);  in stk8312_set_range()
306 	ret = i2c_smbus_write_byte_data(client, STK8312_REG_STH, masked_reg);  in stk8312_set_range()
307 	if (ret < 0)  in stk8312_set_range()
318 	return ret;  in stk8312_set_range()
323 	int ret;  in stk8312_read_accel()  local
329 	ret = i2c_smbus_read_byte_data(client, address);  in stk8312_read_accel()
330 	if (ret < 0)  in stk8312_read_accel()
333 	return ret;  in stk8312_read_accel()
341 	int ret;  in stk8312_read_raw()  local
348 		ret = stk8312_set_mode(data, data->mode | STK8312_MODE_ACTIVE);  in stk8312_read_raw()
349 		if (ret < 0) {  in stk8312_read_raw()
351 			return ret;  in stk8312_read_raw()
353 		ret = stk8312_read_accel(data, chan->address);  in stk8312_read_raw()
354 		if (ret < 0) {  in stk8312_read_raw()
358 			return ret;  in stk8312_read_raw()
360 		*val = sign_extend32(ret, 7);  in stk8312_read_raw()
361 		ret = stk8312_set_mode(data,  in stk8312_read_raw()
364 		if (ret < 0)  in stk8312_read_raw()
365 			return ret;  in stk8312_read_raw()
386 	int ret;  in stk8312_write_raw()  local
401 		ret = stk8312_set_range(data, index);  in stk8312_write_raw()
404 		return ret;  in stk8312_write_raw()
415 		ret = stk8312_set_sample_rate(data, index);  in stk8312_write_raw()
418 		return ret;  in stk8312_write_raw()
436 	int bit, ret, i = 0;  in stk8312_trigger_handler()  local
444 		ret = i2c_smbus_read_i2c_block_data(data->client,  in stk8312_trigger_handler()
448 		if (ret < STK8312_ALL_CHANNEL_SIZE) {  in stk8312_trigger_handler()
456 			ret = stk8312_read_accel(data, bit);  in stk8312_trigger_handler()
457 			if (ret < 0) {  in stk8312_trigger_handler()
461 			data->buffer[i++] = ret;  in stk8312_trigger_handler()
509 	int ret;  in stk8312_probe()  local
532 	ret = i2c_smbus_write_byte_data(data->client, STK8312_REG_RESET, 0x00);  in stk8312_probe()
533 	if (ret < 0) {  in stk8312_probe()
535 		return ret;  in stk8312_probe()
538 	ret = stk8312_set_range(data, STK8312_RNG_6G);  in stk8312_probe()
539 	if (ret < 0)  in stk8312_probe()
540 		return ret;  in stk8312_probe()
542 	ret = stk8312_set_mode(data,  in stk8312_probe()
544 	if (ret < 0)  in stk8312_probe()
545 		return ret;  in stk8312_probe()
548 		ret = devm_request_threaded_irq(&client->dev, client->irq,  in stk8312_probe()
555 		if (ret < 0) {  in stk8312_probe()
566 			ret = -ENOMEM;  in stk8312_probe()
573 		ret = iio_trigger_register(data->dready_trig);  in stk8312_probe()
574 		if (ret) {  in stk8312_probe()
580 	ret = iio_triggered_buffer_setup(indio_dev,  in stk8312_probe()
584 	if (ret < 0) {  in stk8312_probe()
589 	ret = iio_device_register(indio_dev);  in stk8312_probe()
590 	if (ret < 0) {  in stk8312_probe()
604 	return ret;  in stk8312_probe()