aboutsummaryrefslogtreecommitdiff
path: root/drivers/hwmon/i5k_amb.c
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2008-09-04 09:04:45 -0700
committerH. Peter Anvin <hpa@zytor.com>2008-09-04 09:04:45 -0700
commitfe47784ba5cbb6b713c013e046859946789b45e4 (patch)
tree6384958d55e29be0d2eb8ae78fa437c10636d8d6 /drivers/hwmon/i5k_amb.c
parent83b8e28b14d63db928cb39e5c5ed2a548246bd71 (diff)
parentaf2e1f276ff08f17192411ea3b71c13a758dfe12 (diff)
Merge branch 'x86/cpu' into x86/xsave
Conflicts: arch/x86/kernel/cpu/feature_names.c include/asm-x86/cpufeature.h
Diffstat (limited to 'drivers/hwmon/i5k_amb.c')
-rw-r--r--drivers/hwmon/i5k_amb.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index f9e2ed621f7..2ede9388096 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -81,6 +81,8 @@ static unsigned long amb_reg_temp(unsigned int amb)
#define MAX_AMBS_PER_CHANNEL 16
#define MAX_AMBS (MAX_MEM_CHANNELS * \
MAX_AMBS_PER_CHANNEL)
+#define CHANNEL_SHIFT 4
+#define DIMM_MASK 0xF
/*
* Ugly hack: For some reason the highest bit is set if there
* are _any_ DIMMs in the channel. Attempting to read from
@@ -89,7 +91,7 @@ static unsigned long amb_reg_temp(unsigned int amb)
* might prevent us from seeing the 16th DIMM in the channel.
*/
#define REAL_MAX_AMBS_PER_CHANNEL 15
-#define KNOBS_PER_AMB 5
+#define KNOBS_PER_AMB 6
static unsigned long amb_num_from_reg(unsigned int byte_num, unsigned int bit)
{
@@ -238,6 +240,16 @@ static ssize_t show_amb_temp(struct device *dev,
500 * amb_read_byte(data, amb_reg_temp(attr->index)));
}
+static ssize_t show_label(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+
+ return sprintf(buf, "Ch. %d DIMM %d\n", attr->index >> CHANNEL_SHIFT,
+ attr->index & DIMM_MASK);
+}
+
static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
{
int i, j, k, d = 0;
@@ -268,6 +280,20 @@ static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
continue;
d++;
+ /* sysfs label */
+ iattr = data->attrs + data->num_attrs;
+ snprintf(iattr->name, AMB_SYSFS_NAME_LEN,
+ "temp%d_label", d);
+ iattr->s_attr.dev_attr.attr.name = iattr->name;
+ iattr->s_attr.dev_attr.attr.mode = S_IRUGO;
+ iattr->s_attr.dev_attr.show = show_label;
+ iattr->s_attr.index = k;
+ res = device_create_file(&pdev->dev,
+ &iattr->s_attr.dev_attr);
+ if (res)
+ goto exit_remove;
+ data->num_attrs++;
+
/* Temperature sysfs knob */
iattr = data->attrs + data->num_attrs;
snprintf(iattr->name, AMB_SYSFS_NAME_LEN,