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authorJean Delvare <khali@linux-fr.org>2005-11-26 20:07:54 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-01-05 22:16:20 -0800
commit9c516ef496c857aa4b1b41dc313010f11d39c496 (patch)
tree94fd2cc493def4ec290705b4d943335558eb304e /drivers/hwmon/lm85.c
parent07421cabdc62519d0f747149b7c9b425b4d746cd (diff)
downloadlinux-9c516ef496c857aa4b1b41dc313010f11d39c496.tar.bz2
[PATCH] hwmon: Support the VRM 10 mode of the ADT7463
Support the VRM 10 mode of the ADT7463. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/lm85.c')
-rw-r--r--drivers/hwmon/lm85.c44
1 files changed, 36 insertions, 8 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index d1070ed2bee6..3f5544a40f3c 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -443,7 +443,17 @@ show_fan_offset(4);
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+ int vid;
+
+ if (data->type == adt7463 && (data->vid & 0x80)) {
+ /* 6-pin VID (VRM 10) */
+ vid = vid_from_reg(data->vid & 0x3f, data->vrm);
+ } else {
+ /* 5-pin VID (VRM 9) */
+ vid = vid_from_reg(data->vid & 0x1f, data->vrm);
+ }
+
+ return sprintf(buf, "%d\n", vid);
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
@@ -1176,17 +1186,14 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
device_create_file(&new_client->dev, &dev_attr_in1_input);
device_create_file(&new_client->dev, &dev_attr_in2_input);
device_create_file(&new_client->dev, &dev_attr_in3_input);
- device_create_file(&new_client->dev, &dev_attr_in4_input);
device_create_file(&new_client->dev, &dev_attr_in0_min);
device_create_file(&new_client->dev, &dev_attr_in1_min);
device_create_file(&new_client->dev, &dev_attr_in2_min);
device_create_file(&new_client->dev, &dev_attr_in3_min);
- device_create_file(&new_client->dev, &dev_attr_in4_min);
device_create_file(&new_client->dev, &dev_attr_in0_max);
device_create_file(&new_client->dev, &dev_attr_in1_max);
device_create_file(&new_client->dev, &dev_attr_in2_max);
device_create_file(&new_client->dev, &dev_attr_in3_max);
- device_create_file(&new_client->dev, &dev_attr_in4_max);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp2_input);
device_create_file(&new_client->dev, &dev_attr_temp3_input);
@@ -1224,6 +1231,15 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit);
device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit);
+ /* The ADT7463 has an optional VRM 10 mode where pin 21 is used
+ as a sixth digital VID input rather than an analog input. */
+ data->vid = lm85_read_value(new_client, LM85_REG_VID);
+ if (!(kind == adt7463 && (data->vid & 0x80))) {
+ device_create_file(&new_client->dev, &dev_attr_in4_input);
+ device_create_file(&new_client->dev, &dev_attr_in4_min);
+ device_create_file(&new_client->dev, &dev_attr_in4_max);
+ }
+
return 0;
/* Error out and cleanup code */
@@ -1382,11 +1398,18 @@ static struct lm85_data *lm85_update_device(struct device *dev)
irrelevant. So it is left in 4*/
data->adc_scale = (data->type == emc6d102 ) ? 16 : 4;
- for (i = 0; i <= 4; ++i) {
+ data->vid = lm85_read_value(client, LM85_REG_VID);
+
+ for (i = 0; i <= 3; ++i) {
data->in[i] =
lm85_read_value(client, LM85_REG_IN(i));
}
+ if (!(data->type == adt7463 && (data->vid & 0x80))) {
+ data->in[4] = lm85_read_value(client,
+ LM85_REG_IN(4));
+ }
+
for (i = 0; i <= 3; ++i) {
data->fan[i] =
lm85_read_value(client, LM85_REG_FAN(i));
@@ -1450,13 +1473,20 @@ static struct lm85_data *lm85_update_device(struct device *dev)
/* Things that don't change often */
dev_dbg(&client->dev, "Reading config values\n");
- for (i = 0; i <= 4; ++i) {
+ for (i = 0; i <= 3; ++i) {
data->in_min[i] =
lm85_read_value(client, LM85_REG_IN_MIN(i));
data->in_max[i] =
lm85_read_value(client, LM85_REG_IN_MAX(i));
}
+ if (!(data->type == adt7463 && (data->vid & 0x80))) {
+ data->in_min[4] = lm85_read_value(client,
+ LM85_REG_IN_MIN(4));
+ data->in_max[4] = lm85_read_value(client,
+ LM85_REG_IN_MAX(4));
+ }
+
if ( data->type == emc6d100 ) {
for (i = 5; i <= 7; ++i) {
data->in_min[i] =
@@ -1478,8 +1508,6 @@ static struct lm85_data *lm85_update_device(struct device *dev)
lm85_read_value(client, LM85_REG_TEMP_MAX(i));
}
- data->vid = lm85_read_value(client, LM85_REG_VID);
-
for (i = 0; i <= 2; ++i) {
int val ;
data->autofan[i].config =