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power: supply: cpcap-charger: get the battery inserted infomation from cpcap-battery 

This avoids reimplementing the detection logic twice and removes the
possibility of activating charging with 500mA even if a battery is not
detected.

Signed-off-by: Carl Philipp Klemm <philipp@uvos.xyz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Carl Philipp Klemm 2021-04-23 15:00:57 +02:00 committed by Sebastian Reichel
parent aecd127b45
commit eab4e6d953
1 changed files with 20 additions and 19 deletions
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39
drivers/power/supply/cpcap-charger.c
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@ -173,23 +173,6 @@ static enum power_supply_property cpcap_charger_props[] = {
POWER_SUPPLY_PROP_CURRENT_NOW,
};
/* No battery always shows temperature of -40000 */
static bool cpcap_charger_battery_found(struct cpcap_charger_ddata *ddata)
{
struct iio_channel *channel;
int error, temperature;
channel = ddata->channels[CPCAP_CHARGER_IIO_BATTDET];
error = iio_read_channel_processed(channel, &temperature);
if (error < 0) {
dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);
return false;
}
return temperature > -20000 && temperature < 60000;
}
static int cpcap_charger_get_charge_voltage(struct cpcap_charger_ddata *ddata)
{
struct iio_channel *channel;
@ -700,11 +683,29 @@ static void cpcap_usb_detect(struct work_struct *work)
if (!ddata->feeding_vbus && cpcap_charger_vbus_valid(ddata) &&
s.chrgcurr1) {
int max_current = 532000;
int max_current;
int vchrg, ichrg;
union power_supply_propval val;
struct power_supply *battery;
if (cpcap_charger_battery_found(ddata))
battery = power_supply_get_by_name("battery");
if (IS_ERR_OR_NULL(battery)) {
dev_err(ddata->dev, "battery power_supply not available %li\n",
PTR_ERR(battery));
return;
}
error = power_supply_get_property(battery, POWER_SUPPLY_PROP_PRESENT, &val);
power_supply_put(battery);
if (error)
goto out_err;
if (val.intval) {
max_current = 1596000;
} else {
dev_info(ddata->dev, "battery not inserted, charging disabled\n");
max_current = 0;
}
if (max_current > ddata->limit_current)
max_current = ddata->limit_current;