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yaml
---
r: 154303
b: refs/heads/master
c: cef437e
h: refs/heads/master
i:
  154301: 29a8148
  154299: efb1493
  154295: 03458d9
  154287: 8744cac
  154271: 5ea473e
  154239: f0a9820
v: v3
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Daniel Mack authored and Anton Vorontsov committed Jun 8, 2009
1 parent 0d87c60 commit d1d910e
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Showing 3 changed files with 32 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: 0b47b5703b1cc6c3aa89663ac70e28dadedf6ccc
refs/heads/master: cef437e3a9b6d229d4ed3730cde047007267df6d
26 changes: 26 additions & 0 deletions trunk/drivers/power/ds2760_battery.c
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,10 @@ static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");

static unsigned int pmod_enabled;
module_param(pmod_enabled, bool, 0644);
MODULE_PARM_DESC(pmod_enabled, "PMOD enable bit");

/* Some batteries have their rated capacity stored a N * 10 mAh, while
* others use an index into this table. */
static int rated_capacities[] = {
Expand Down Expand Up @@ -259,6 +263,17 @@ static void ds2760_battery_update_status(struct ds2760_device_info *di)
power_supply_changed(&di->bat);
}

static void ds2760_battery_write_status(struct ds2760_device_info *di,
char status)
{
if (status == di->raw[DS2760_STATUS_REG])
return;

w1_ds2760_write(di->w1_dev, &status, DS2760_STATUS_WRITE_REG, 1);
w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
}

static void ds2760_battery_work(struct work_struct *work)
{
struct ds2760_device_info *di = container_of(work,
Expand Down Expand Up @@ -342,6 +357,7 @@ static enum power_supply_property ds2760_battery_props[] = {

static int ds2760_battery_probe(struct platform_device *pdev)
{
char status;
int retval = 0;
struct ds2760_device_info *di;

Expand Down Expand Up @@ -371,6 +387,16 @@ static int ds2760_battery_probe(struct platform_device *pdev)
goto batt_failed;
}

/* enable sleep mode feature */
ds2760_battery_read_status(di);
status = di->raw[DS2760_STATUS_REG];
if (pmod_enabled)
status |= DS2760_STATUS_PMOD;
else
status &= ~DS2760_STATUS_PMOD;

ds2760_battery_write_status(di, status);

INIT_DELAYED_WORK(&di->monitor_work, ds2760_battery_work);
di->monitor_wqueue = create_singlethread_workqueue(dev_name(&pdev->dev));
if (!di->monitor_wqueue) {
Expand Down
5 changes: 5 additions & 0 deletions trunk/drivers/w1/slaves/w1_ds2760.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,10 @@

#define DS2760_PROTECTION_REG 0x00
#define DS2760_STATUS_REG 0x01
#define DS2760_STATUS_IE (1 << 2)
#define DS2760_STATUS_SWEN (1 << 3)
#define DS2760_STATUS_RNAOP (1 << 4)
#define DS2760_STATUS_PMOD (1 << 5)
#define DS2760_EEPROM_REG 0x07
#define DS2760_SPECIAL_FEATURE_REG 0x08
#define DS2760_VOLTAGE_MSB 0x0c
Expand All @@ -38,6 +42,7 @@
#define DS2760_EEPROM_BLOCK0 0x20
#define DS2760_ACTIVE_FULL 0x20
#define DS2760_EEPROM_BLOCK1 0x30
#define DS2760_STATUS_WRITE_REG 0x31
#define DS2760_RATED_CAPACITY 0x32
#define DS2760_CURRENT_OFFSET_BIAS 0x33
#define DS2760_ACTIVE_EMPTY 0x3b
Expand Down

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