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Diffstat (limited to 'drivers/hwmon/max1111.c')
-rw-r--r--drivers/hwmon/max1111.c17
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,
};