renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-22 20:23:57 +08:00
Code

max17042_battery: Bugfix of incorrect voltage register value interpretation

Browse Source 
The calculation had error in getting voltage values from
MAX17042 registers. The least bit denotes 78.125uV (625/8).

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This commit is contained in:
MyungJoo Ham 2011-08-17 10:18:34 +09:00 committed by Anton Vorontsov
parent 91d8b0d6f8
commit cf7a8c03db
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/power/max17042_battery.c
View File

@ -111,12 +111,12 @@ static int max17042_get_property(struct power_supply *psy,
val->intval *= 10000; /* Units of LSB = 10mV */
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = max17042_read_reg(chip->client,
MAX17042_VCELL) * 83; /* 1000 / 12 = 83 */
val->intval = max17042_read_reg(chip->client, MAX17042_VCELL)
* 625 / 8;
break;
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
val->intval = max17042_read_reg(chip->client,
MAX17042_AvgVCELL) * 83;
val->intval = max17042_read_reg(chip->client, MAX17042_AvgVCELL)
* 625 / 8;
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval = max17042_read_reg(chip->client,