A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-09 13:49:24 -04:00
Code Issues Projects Releases Packages Wiki Activity

power: max170xx: Add Age

Browse source 
Create a new group and make the age parameter.  This will be
added to the power supply kobject so that it shows up in that
power supply's sysfs directory.

Change-Id: I95cc23242df5bd7096d0b4e554e31647e46ce3a4
Signed-off-by: Kenny Kessler <kenny.kessler@motorola.com>
Reviewed-on: https://gerrit.mot.com/1315612
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Eyob Tesfu <Eyob.Tesfu@motorola.com>
Reviewed-by: Kenneth Kessler <kennykessler@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Kenny Kessler 2019-02-28 10:48:50 -06:00 • committed by Kenneth Kessler
commit 76a8dac4d7
1 changed files with 43 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

43
drivers/power/max170xx/max170xx_battery_mmi.c
View file

@ -2258,6 +2258,45 @@ static const struct power_supply_desc max17042_no_current_sense_psy_desc = {
.num_properties = ARRAY_SIZE(max17042_battery_props) - 2,
};
static ssize_t age_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct power_supply *psy;
struct max17042_chip *chip;
int age, ret;
u32 data;
psy = dev_get_drvdata(dev);
if (psy)
chip = power_supply_get_drvdata(psy);
else {
pr_err("MAX170xx: No Age PSY\n");
return 0;
}
ret = regmap_read(chip->regmap, MAX17042_FullCAP, &data);
if (ret < 0)
return 0;
if (!chip->charge_full_des)
return 0;
age = data * chip->fctr_uah_bit;
age *= 100;
age /= chip->charge_full_des;
return scnprintf(buf, 50, "%d\n", age);
}
static DEVICE_ATTR(age, S_IRUGO, age_show, NULL);
static struct attribute * max_g[] = {
&dev_attr_age.attr,
NULL,
};
static const struct attribute_group power_supply_max_attr_group = {
.attrs = max_g,
};
#define MAX_CGAIN 0x7FFF
static int max17042_probe(struct i2c_client *client,
const struct i2c_device_id *id)
@ -2341,6 +2380,10 @@ static int max17042_probe(struct i2c_client *client,
dev_err(&client->dev, "failed: power supply register\n");
return PTR_ERR(chip->battery);
}
ret = sysfs_create_group(&chip->battery->dev.kobj,
&power_supply_max_attr_group);
if (ret)
dev_err(&client->dev, "failed: attr create\n");
chip->factory_mode = max17042_mmi_factory();
if (chip->factory_mode)