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path: root/drivers/w1/w1_therm.c
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Diffstat (limited to 'drivers/w1/w1_therm.c')
-rw-r--r--drivers/w1/w1_therm.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/w1/w1_therm.c b/drivers/w1/w1_therm.c
index 2ed0e0f4..4577df3 100644
--- a/drivers/w1/w1_therm.c
+++ b/drivers/w1/w1_therm.c
@@ -42,12 +42,31 @@ static u8 bad_roms[][9] = {
{}
};
-static ssize_t w1_therm_read_name(struct device *, struct device_attribute *attr, char *);
static ssize_t w1_therm_read_bin(struct kobject *, char *, loff_t, size_t);
+static struct bin_attribute w1_therm_bin_attr = {
+ .attr = {
+ .name = "w1_slave",
+ .mode = S_IRUGO,
+ .owner = THIS_MODULE,
+ },
+ .size = W1_SLAVE_DATA_SIZE,
+ .read = w1_therm_read_bin,
+};
+
+static int w1_therm_add_slave(struct w1_slave *sl)
+{
+ return sysfs_create_bin_file(&sl->dev.kobj, &w1_therm_bin_attr);
+}
+
+static void w1_therm_remove_slave(struct w1_slave *sl)
+{
+ sysfs_remove_bin_file(&sl->dev.kobj, &w1_therm_bin_attr);
+}
+
static struct w1_family_ops w1_therm_fops = {
- .rname = &w1_therm_read_name,
- .rbin = &w1_therm_read_bin,
+ .add_slave = w1_therm_add_slave,
+ .remove_slave = w1_therm_remove_slave,
};
static struct w1_family w1_therm_family_DS18S20 = {
@@ -59,6 +78,7 @@ static struct w1_family w1_therm_family_DS18B20 = {
.fid = W1_THERM_DS18B20,
.fops = &w1_therm_fops,
};
+
static struct w1_family w1_therm_family_DS1822 = {
.fid = W1_THERM_DS1822,
.fops = &w1_therm_fops,
@@ -90,12 +110,6 @@ static struct w1_therm_family_converter w1_therm_families[] = {
},
};
-static ssize_t w1_therm_read_name(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct w1_slave *sl = dev_to_w1_slave(dev);
- return sprintf(buf, "%s\n", sl->name);
-}
-
static inline int w1_DS18B20_convert_temp(u8 rom[9])
{
int t = (rom[1] << 8) | rom[0];
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