We are currently using a wrong ADC range for the battery detection.
The ADC returns the battery temperature if connected.
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
POWER_SUPPLY_PROP_CURRENT_NOW,
};
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;
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];
channel = ddata->channels[CPCAP_CHARGER_IIO_BATTDET];
- error = iio_read_channel_raw(channel, &value);
+ error = iio_read_channel_processed(channel, &temperature);
if (error < 0) {
dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);
return false;
}
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)
}
static int cpcap_charger_get_charge_voltage(struct cpcap_charger_ddata *ddata)