diff options
Diffstat (limited to 'drivers/hwmon/max1111.c')
| -rw-r--r-- | drivers/hwmon/max1111.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index c97b78ef911..482ca901db3 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -6,7 +6,7 @@ * Copyright (C) 2004-2005 Richard Purdie * * Copyright (C) 2008 Marvell International Ltd. - * Eric Miao <eric.miao@marvell.com> + * Eric Miao <eric.miao@marvell.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -106,11 +106,14 @@ static ssize_t show_adc(struct device *dev, if (ret < 0) return ret; - return sprintf(buf, "%d\n", ret); + /* assume the reference voltage to be 2.048V, with an 8-bit sample, + * the LSB weight is 8mV + */ + return sprintf(buf, "%d\n", ret * 8); } #define MAX1111_ADC_ATTR(_id) \ - SENSOR_DEVICE_ATTR(adc##_id##_in, S_IRUGO, show_adc, NULL, _id) + SENSOR_DEVICE_ATTR(in##_id##_input, S_IRUGO, show_adc, NULL, _id) static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); static MAX1111_ADC_ATTR(0); @@ -120,10 +123,10 @@ static MAX1111_ADC_ATTR(3); static struct attribute *max1111_attributes[] = { &dev_attr_name.attr, - &sensor_dev_attr_adc0_in.dev_attr.attr, - &sensor_dev_attr_adc1_in.dev_attr.attr, - &sensor_dev_attr_adc2_in.dev_attr.attr, - &sensor_dev_attr_adc3_in.dev_attr.attr, + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, NULL, }; |