Messages in this thread |  | | Date | Thu, 14 Nov 2013 10:29:49 +0900 | Subject | Re: [PATCH] regulator: s5m8767: Disable OVCB in probe | From | Kyungmin Park <> |
| |
On Wed, Nov 13, 2013 at 10:50 PM, Mark Brown <broonie@kernel.org> wrote: > On Tue, Nov 12, 2013 at 02:41:55PM +0100, Krzysztof Kozlowski wrote: >> According to SW Guide the Over-Voltage Clamp may malfunction at VBatt >> 5.25V and 110'C temperature. This may result in overshooting or >> undershooting LDO's voltage outputs. >> Disable the Over-Voltage Clamp in probe by updating proper bit in all >> LDO registers. > > Is there no way to detect these conditions at runtime? The temperature > condition in particular seems very high and hence relatively unlikely to > hold most of the time, disabling the overvoltage protection all the time > seems like an uncertain tradeoff.
It's hard to do at runtime. right it's rare case. but some condition (as above) is meet, and no code as workaround. it's mal-function. that's the guide to avoid this mal-functions.
Thank you, Kyungmin Park
|  |