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-rw-r--r--drivers/power/supply/cpcap-charger.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c
index 88bbab6e62f0..a04354c8f1e3 100644
--- a/drivers/power/supply/cpcap-charger.c
+++ b/drivers/power/supply/cpcap-charger.c
@@ -176,20 +176,21 @@ 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, value;
+ int error, temperature;
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;
}
- return value == 1;
+ return temperature > -20000 && temperature < 60000;
}
static int cpcap_charger_get_charge_voltage(struct cpcap_charger_ddata *ddata)