179 	struct amc6821_data *data = dev_get_drvdata(dev);  in amc6821_update_device()  local
180 	struct i2c_client *client = data->client;  in amc6821_update_device()
185 	mutex_lock(&data->update_lock);  in amc6821_update_device()
187 	if (time_after(jiffies, data->last_updated + timeout) ||  in amc6821_update_device()
188 			!data->valid) {  in amc6821_update_device()
191 			data->temp[i] = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
194 		data->stat1 = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
196 		data->stat2 = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
199 		data->pwm1 = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
202 			data->fan[i] = i2c_smbus_read_byte_data(  in amc6821_update_device()
205 			data->fan[i] += i2c_smbus_read_byte_data(  in amc6821_update_device()
209 		data->fan1_div = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
211 		data->fan1_div = data->fan1_div & AMC6821_CONF4_PSPR ? 4 : 2;  in amc6821_update_device()
213 		data->pwm1_auto_point_pwm[0] = 0;  in amc6821_update_device()
214 		data->pwm1_auto_point_pwm[2] = 255;  in amc6821_update_device()
215 		data->pwm1_auto_point_pwm[1] = i2c_smbus_read_byte_data(client,  in amc6821_update_device()
218 		data->temp1_auto_point_temp[0] =  in amc6821_update_device()
221 		data->temp2_auto_point_temp[0] =  in amc6821_update_device()
222 				data->temp1_auto_point_temp[0];  in amc6821_update_device()
225 		data->temp1_auto_point_temp[1] = (reg & 0xF8) >> 1;  in amc6821_update_device()
229 			data->temp1_auto_point_temp[2] =  in amc6821_update_device()
230 				data->temp1_auto_point_temp[1] +  in amc6821_update_device()
231 				(data->pwm1_auto_point_pwm[2] -  in amc6821_update_device()
232 				data->pwm1_auto_point_pwm[1]) / reg;  in amc6821_update_device()
234 			data->temp1_auto_point_temp[2] = 255;  in amc6821_update_device()
238 		data->temp2_auto_point_temp[1] = (reg & 0xF8) >> 1;  in amc6821_update_device()
242 			data->temp2_auto_point_temp[2] =  in amc6821_update_device()
243 				data->temp2_auto_point_temp[1] +  in amc6821_update_device()
244 				(data->pwm1_auto_point_pwm[2] -  in amc6821_update_device()
245 				data->pwm1_auto_point_pwm[1]) / reg;  in amc6821_update_device()
247 			data->temp2_auto_point_temp[2] = 255;  in amc6821_update_device()
253 			data->pwm1_auto_channels_temp = 0;  in amc6821_update_device()
254 			data->pwm1_enable = 1;  in amc6821_update_device()
257 			data->pwm1_auto_channels_temp = 2;  in amc6821_update_device()
258 			data->pwm1_enable = 2;  in amc6821_update_device()
261 			data->pwm1_auto_channels_temp = 3;  in amc6821_update_device()
262 			data->pwm1_enable = 3;  in amc6821_update_device()
268 			data->pwm1_auto_channels_temp = 0;  in amc6821_update_device()
269 			data->pwm1_enable = 0;  in amc6821_update_device()
273 		data->last_updated = jiffies;  in amc6821_update_device()
274 		data->valid = 1;  in amc6821_update_device()
276 	mutex_unlock(&data->update_lock);  in amc6821_update_device()
277 	return data;  in amc6821_update_device()
285 	struct amc6821_data *data = amc6821_update_device(dev);  in get_temp()  local
288 	return sprintf(buf, "%d\n", data->temp[ix] * 1000);  in get_temp()
297 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_temp()  local
298 	struct i2c_client *client = data->client;  in set_temp()
307 	mutex_lock(&data->update_lock);  in set_temp()
308 	data->temp[ix] = val;  in set_temp()
309 	if (i2c_smbus_write_byte_data(client, temp_reg[ix], data->temp[ix])) {  in set_temp()
313 	mutex_unlock(&data->update_lock);  in set_temp()
322 	struct amc6821_data *data = amc6821_update_device(dev);  in get_temp_alarm()  local
328 		flag = data->stat1 & AMC6821_STAT1_LTL;  in get_temp_alarm()
331 		flag = data->stat1 & AMC6821_STAT1_LTH;  in get_temp_alarm()
334 		flag = data->stat2 & AMC6821_STAT2_LTC;  in get_temp_alarm()
337 		flag = data->stat1 & AMC6821_STAT1_RTL;  in get_temp_alarm()
340 		flag = data->stat1 & AMC6821_STAT1_RTH;  in get_temp_alarm()
343 		flag = data->stat2 & AMC6821_STAT2_RTC;  in get_temp_alarm()
360 	struct amc6821_data *data = amc6821_update_device(dev);  in get_temp2_fault()  local
361 	if (data->stat1 & AMC6821_STAT1_RTF)  in get_temp2_fault()
372 	struct amc6821_data *data = amc6821_update_device(dev);  in get_pwm1()  local
373 	return sprintf(buf, "%d\n", data->pwm1);  in get_pwm1()
382 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_pwm1()  local
383 	struct i2c_client *client = data->client;  in set_pwm1()
389 	mutex_lock(&data->update_lock);  in set_pwm1()
390 	data->pwm1 = clamp_val(val , 0, 255);  in set_pwm1()
391 	i2c_smbus_write_byte_data(client, AMC6821_REG_DCY, data->pwm1);  in set_pwm1()
392 	mutex_unlock(&data->update_lock);  in set_pwm1()
401 	struct amc6821_data *data = amc6821_update_device(dev);  in get_pwm1_enable()  local
402 	return sprintf(buf, "%d\n", data->pwm1_enable);  in get_pwm1_enable()
411 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_pwm1_enable()  local
412 	struct i2c_client *client = data->client;  in set_pwm1_enable()
418 	mutex_lock(&data->update_lock);  in set_pwm1_enable()
450 	mutex_unlock(&data->update_lock);  in set_pwm1_enable()
459 	struct amc6821_data *data = amc6821_update_device(dev);  in get_pwm1_auto_channels_temp()  local
460 	return sprintf(buf, "%d\n", data->pwm1_auto_channels_temp);  in get_pwm1_auto_channels_temp()
470 	struct amc6821_data *data = amc6821_update_device(dev);  in get_temp_auto_point_temp()  local
474 			data->temp1_auto_point_temp[ix] * 1000);  in get_temp_auto_point_temp()
477 			data->temp2_auto_point_temp[ix] * 1000);  in get_temp_auto_point_temp()
490 	struct amc6821_data *data = amc6821_update_device(dev);  in get_pwm1_auto_point_pwm()  local
491 	return sprintf(buf, "%d\n", data->pwm1_auto_point_pwm[ix]);  in get_pwm1_auto_point_pwm()
522 	struct amc6821_data *data = amc6821_update_device(dev);  in set_temp_auto_point_temp()  local
523 	struct i2c_client *client = data->client;  in set_temp_auto_point_temp()
536 		ptemp = data->temp1_auto_point_temp;  in set_temp_auto_point_temp()
540 		ptemp = data->temp2_auto_point_temp;  in set_temp_auto_point_temp()
548 	mutex_lock(&data->update_lock);  in set_temp_auto_point_temp()
549 	data->valid = 0;  in set_temp_auto_point_temp()
554 				     data->temp1_auto_point_temp[1]);  in set_temp_auto_point_temp()
556 				     data->temp2_auto_point_temp[1]);  in set_temp_auto_point_temp()
580 	dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1];  in set_temp_auto_point_temp()
585 	mutex_unlock(&data->update_lock);  in set_temp_auto_point_temp()
595 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_pwm1_auto_point_pwm()  local
596 	struct i2c_client *client = data->client;  in set_pwm1_auto_point_pwm()
603 	mutex_lock(&data->update_lock);  in set_pwm1_auto_point_pwm()
604 	data->pwm1_auto_point_pwm[1] = clamp_val(val, 0, 254);  in set_pwm1_auto_point_pwm()
606 			data->pwm1_auto_point_pwm[1])) {  in set_pwm1_auto_point_pwm()
611 	dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1];  in set_pwm1_auto_point_pwm()
613 			data->temp1_auto_point_temp)) {  in set_pwm1_auto_point_pwm()
618 			data->temp2_auto_point_temp)) {  in set_pwm1_auto_point_pwm()
624 	data->valid = 0;  in set_pwm1_auto_point_pwm()
625 	mutex_unlock(&data->update_lock);  in set_pwm1_auto_point_pwm()
634 	struct amc6821_data *data = amc6821_update_device(dev);  in get_fan()  local
636 	if (0 == data->fan[ix])  in get_fan()
638 	return sprintf(buf, "%d\n", (int)(6000000 / data->fan[ix]));  in get_fan()
646 	struct amc6821_data *data = amc6821_update_device(dev);  in get_fan1_fault()  local
647 	if (data->stat1 & AMC6821_STAT1_FANS)  in get_fan1_fault()
658 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_fan()  local
659 	struct i2c_client *client = data->client;  in set_fan()
667 	mutex_lock(&data->update_lock);  in set_fan()
668 	data->fan[ix] = (u16) clamp_val(val, 1, 0xFFFF);  in set_fan()
670 			data->fan[ix] & 0xFF)) {  in set_fan()
676 			fan_reg_hi[ix], data->fan[ix] >> 8)) {  in set_fan()
681 	mutex_unlock(&data->update_lock);  in set_fan()
690 	struct amc6821_data *data = amc6821_update_device(dev);  in get_fan1_div()  local
691 	return sprintf(buf, "%d\n", data->fan1_div);  in get_fan1_div()
699 	struct amc6821_data *data = dev_get_drvdata(dev);  in set_fan1_div()  local
700 	struct i2c_client *client = data->client;  in set_fan1_div()
706 	mutex_lock(&data->update_lock);  in set_fan1_div()
717 		data->fan1_div = 2;  in set_fan1_div()
721 		data->fan1_div = 4;  in set_fan1_div()
733 	mutex_unlock(&data->update_lock);  in set_fan1_div()
975 	struct amc6821_data *data;  in amc6821_probe()  local
979 	data = devm_kzalloc(dev, sizeof(struct amc6821_data), GFP_KERNEL);  in amc6821_probe()
980 	if (!data)  in amc6821_probe()
983 	data->client = client;  in amc6821_probe()
984 	mutex_init(&data->update_lock);  in amc6821_probe()
994 							   data,  in amc6821_probe()