2012/12/5 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>
> On Tue, Dec 04, 2012 at 10:50:03PM +0800, Kevin Liu wrote:
> > 2012/12/4 Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>:
>
> > > + if (host->vmmc && regulator_get_voltage(host->vmmc) > 0) {
> > > ret = regulator_is_supported_voltage(host->vmmc,
> > > 2700000,
> > > 3600000);
> > > if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_330)))
>
> > Good idea. But how about the regulator is disabled at this point? So I
> > suggest to change to
> > if (host->vmmc && regulator_get_voltage(host->vmmc) >= 0)
>
> I'd not expect regulator_get_voltage() to return 0 for disabled
> regulators, I'd expect it to return the voltage the regulator will have
> when enabled.
Understand.
Thanks
Kevin
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