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yaml
---
r: 154302
b: refs/heads/master
c: 0b47b57
h: refs/heads/master
v: v3
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Daniel Mack authored and Anton Vorontsov committed Jun 8, 2009
1 parent 29a8148 commit 0d87c60
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Showing 3 changed files with 33 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ae9fb6e814ecede683bcd404910085cea3ab1260
refs/heads/master: 0b47b5703b1cc6c3aa89663ac70e28dadedf6ccc
30 changes: 30 additions & 0 deletions trunk/drivers/w1/slaves/w1_ds2760.c
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,34 @@ int w1_ds2760_write(struct device *dev, char *buf, int addr, size_t count)
return w1_ds2760_io(dev, buf, addr, count, 1);
}

static int w1_ds2760_eeprom_cmd(struct device *dev, int addr, int cmd)
{
struct w1_slave *sl = container_of(dev, struct w1_slave, dev);

if (!dev)
return -EINVAL;

mutex_lock(&sl->master->mutex);

if (w1_reset_select_slave(sl) == 0) {
w1_write_8(sl->master, cmd);
w1_write_8(sl->master, addr);
}

mutex_unlock(&sl->master->mutex);
return 0;
}

int w1_ds2760_store_eeprom(struct device *dev, int addr)
{
return w1_ds2760_eeprom_cmd(dev, addr, W1_DS2760_COPY_DATA);
}

int w1_ds2760_recall_eeprom(struct device *dev, int addr)
{
return w1_ds2760_eeprom_cmd(dev, addr, W1_DS2760_RECALL_DATA);
}

static ssize_t w1_ds2760_read_bin(struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
Expand Down Expand Up @@ -200,6 +228,8 @@ static void __exit w1_ds2760_exit(void)

EXPORT_SYMBOL(w1_ds2760_read);
EXPORT_SYMBOL(w1_ds2760_write);
EXPORT_SYMBOL(w1_ds2760_store_eeprom);
EXPORT_SYMBOL(w1_ds2760_recall_eeprom);

module_init(w1_ds2760_init);
module_exit(w1_ds2760_exit);
Expand Down
2 changes: 2 additions & 0 deletions trunk/drivers/w1/slaves/w1_ds2760.h
Original file line number Diff line number Diff line change
Expand Up @@ -46,5 +46,7 @@ extern int w1_ds2760_read(struct device *dev, char *buf, int addr,
size_t count);
extern int w1_ds2760_write(struct device *dev, char *buf, int addr,
size_t count);
extern int w1_ds2760_store_eeprom(struct device *dev, int addr);
extern int w1_ds2760_recall_eeprom(struct device *dev, int addr);

#endif /* !__w1_ds2760_h__ */

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