From: Hsin-Yi Wang <hsinyi@chromium.org>
To: Hui-Liu Liu <hui.liu@mediatek.com>
Cc: robh+dt@kernel.org, lars@metafoo.de, pmeerw@pmeerw.net,
srv_heupstream@mediatek.com, zhiyong.tao@mediatek.com,
chun-hung.wu@mediatek.com, yingjoe.chen@mediatek.com,
seiya.wang@mediatek.com, ben.tseng@mediatek.com,
matthias.bgg@gmail.com, s.hauer@pengutronix.de,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org,
linux-mediatek@lists.infradead.org,
Jonathan Cameron <jic23@kernel.org>
Subject: Re: [PATCH v4 1/1] iio: mtk-auxadc: fix case IIO_CHAN_INFO_PROCESSED
Date: Mon, 1 Nov 2021 00:49:26 +0800 [thread overview]
Message-ID: <CAJMQK-hDN3xOTU0gcmDWaOKRwPk_h0E7=6nok45mrU3RvgbcHw@mail.gmail.com> (raw)
In-Reply-To: <20210926123022.1b76eaae@jic23-huawei>
On Sun, Sep 26, 2021 at 7:26 PM Jonathan Cameron <jic23@kernel.org> wrote:
>
> On Sun, 26 Sep 2021 15:30:28 +0800
> Hui-Liu Liu <hui.liu@mediatek.com> wrote:
>
> > From: Hui Liu <hui.liu@mediatek.com>
> >
> > The previous driver does't apply the necessary scaling to take the
> > voltage range into account.
> > We change readback value from raw data to input voltage to fix case
> > IIO_CHAN_INFO_PROCESSED.
> >
> > Fixes: ace4cdfe67be ("iio: adc: mt2701: Add Mediatek auxadc driver for mt2701.")
> > Signed-off-by: Hui Liu <hui.liu@mediatek.com>
>
Hi Hui Liu,
After this patch, mt8183 tboard thermal sensor[1] is getting incorrect value:
Before the patch:
/sys/class/thermal/thermal_zone0/temp:41488 (cpu)
/sys/class/thermal/thermal_zone7/temp:35433 (tboard)
/sys/class/thermal/thermal_zone8/temp:33709 (tboard)
After the patch:
/sys/class/thermal/thermal_zone0/temp:40365 (cpu)
/sys/class/thermal/thermal_zone7/temp:69781 (tboard)
/sys/class/thermal/thermal_zone8/temp:69014 (tboard)
[1] https://elixir.bootlin.com/linux/v5.15-rc7/source/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi#L862
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
prev parent reply other threads:[~2021-10-31 16:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-26 7:30 [PATCH v4 0/1] AUXADC: Mediatek auxadc driver Hui-Liu Liu
2021-09-26 7:30 ` [PATCH v4 1/1] iio: mtk-auxadc: fix case IIO_CHAN_INFO_PROCESSED Hui-Liu Liu
[not found] ` <20210926123022.1b76eaae@jic23-huawei>
2021-10-31 16:49 ` Hsin-Yi Wang [this message]
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