Commit 33088c05 authored by Sebastian Reichel's avatar Sebastian Reichel
Browse files

power: supply: generic-adc-battery: add temperature support 



Another typical thing to monitor via an ADC line is
the battery temperature.

Reviewed-by: default avatarMatti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent 9489d1bd

drivers/power/supply/generic-adc-battery.c

+6 −1
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ enum gab_chan_type { 
	GAB_VOLTAGE = 0,

	GAB_CURRENT,

	GAB_POWER,

	GAB_TEMP,

	GAB_MAX_CHAN_TYPE

};
@@ -41,6 +42,7 @@ static const char *const gab_chan_name[] = { 
	[GAB_VOLTAGE]	= "voltage",

	[GAB_CURRENT]	= "current",

	[GAB_POWER]	= "power",

	[GAB_TEMP]	= "temperature",

};



struct gab {
@@ -77,6 +79,7 @@ static const enum power_supply_property gab_dyn_props[] = { 
	POWER_SUPPLY_PROP_VOLTAGE_NOW,

	POWER_SUPPLY_PROP_CURRENT_NOW,

	POWER_SUPPLY_PROP_POWER_NOW,

	POWER_SUPPLY_PROP_TEMP,

};



static bool gab_charge_finished(struct gab *adc_bat)
@@ -115,6 +118,8 @@ static int gab_get_property(struct power_supply *psy, 
		return read_channel(adc_bat, GAB_CURRENT, &val->intval);

	case POWER_SUPPLY_PROP_POWER_NOW:

		return read_channel(adc_bat, GAB_POWER, &val->intval);

	case POWER_SUPPLY_PROP_TEMP:

		return read_channel(adc_bat, GAB_TEMP, &val->intval);

	default:

		return -EINVAL;

	}