power: supply: cpcap-charger: Improve battery detection (50fc99f8) · Commits · 戴 / test

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>

drivers/power/supply/cpcap-charger.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -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)

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