Messages in this thread | | | Subject | Re: [PATCH 03/10] arm64: dts: meson-gxbb-wetek: enable SARADC | From | Neil Armstrong <> | Date | Wed, 29 May 2019 16:17:52 +0200 |
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On 27/05/2019 20:15, Martin Blumenstingl wrote: > On Mon, May 27, 2019 at 3:22 PM Neil Armstrong <narmstrong@baylibre.com> wrote: >> >> From: Christian Hewitt <christianshewitt@gmail.com> >> >> Enable SARADC on Wetek Boards. > as far I as remember there's a story behind this (and it would be nice > to have it documented here): > some of the SCPI firmware revisions don't enable the SAR ADC clock > when reading the SoCs temperature. > if the SAR ADC is disabled in Linux then the common clock framework > will disable the SAR ADC clock. > now, when the SCPI firmware uses the SAR ADC to read the SoC > temperature we only get garbage. > > enabling the SAR ADC in Linux "fixes" this issue
Yes seems to be this issue solved here
> >> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> >> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> > with that: > Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> >
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