Messages in this thread | | | From | Linus Walleij <> | Date | Thu, 25 Nov 2021 16:50:28 +0100 | Subject | Re: [PATCH v3 3/4] arm64: dts: apple: t8103: Add i2c nodes |
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On Wed, Nov 24, 2021 at 6:42 AM Hector Martin <marcan@marcan.st> wrote:
> Pulling down an I2C bus between transactions is not legal; the idle > state has to be high.
Oh right.
> Apple are actually not very good at configuring GPIOs for power saving; > e.g. the I/Os for that unused i2c bus still have their input buffers > turned on, which is a waste of power. If they wanted to save the > smallest drop of power they'd turn that off. But the effect of this is > so trivial it probably makes no difference in the context of a laptop, > nevermind a desktop like the Mac Mini.
Hm that's true. The saying is that 99% is the backlight, the remaining 1% isn't so significant after that.
Yours, Linus Walleij
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