Re: [PATCH v4 2/2] regulator: rpi-panel-v2: Add vcc-supply support

[Mark Brown]

> The Raspberry Pi 7" touchscreen panel V2 MCU is powered from an external
> power rail which has to be enabled before any I2C register access is
> attempted. Use devm_regulator_get() to obtain the vcc supply and enable
> it at the start of probe.

> +	ret = regulator_enable(vcc);
> +	if (ret)
> +		return dev_err_probe(&i2c->dev, ret,
> +				     "Failed to enable vcc supply\n");

Nothing ever undoes this enable.

-- 
Mark Brown <broonie@xxxxxxxxxx>