On Tue, 2014-02-18 at 09:35 +0900, Mark Brown wrote: > On Mon, Feb 17, 2014 at 09:07:34AM +0100, Krzysztof Kozlowski wrote: > > > The low power maps to REGULATOR_MODE_IDLE or REGULATOR_MODE_STANDBY > > (depending on the understanding of "more efficient" and "most efficient" > > for light loads). However the suspend mode of S5M8767/S2MPS14 is more > > like automatic regulator disable by SoC. > > I don't understand the above? Are you saying that suspend mode actually > turns off the regulator or something else? If it's a separate setting > for suspend mode then it should be using the core suspend mode stuff. No, it is similar to external control (by GPIO) except that regulator is controlled by PWREN pin. The PMIC's PWREN is not a GPIO, but instead it is directly connected to AP (for Exynos 4212: XPWRRGTON). In AP's normal mode the XPWRRGTON/PWREN is high. In sleep mode *AP* sets it low. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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