linux-kernel - Re: [PATCH v8 3/5] iio: adc: qcom-spmi-adc5: add ADC5_VREF

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Date:   Fri, 19 Aug 2022 18:30:52 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Robert Marko <robimarko@...il.com>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org,
        konrad.dybcio@...ainline.org, lee@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lars@...afoo.de,
        sboyd@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH v8 3/5] iio: adc: qcom-spmi-adc5: add ADC5_VREF_VADC to
 rev2 ADC5

On Fri, 19 Aug 2022 00:18:13 +0200
Robert Marko <robimarko@...il.com> wrote:

> Add support for ADC5_VREF_VADC channel to rev2 ADC5 channel list.
> This channel measures the VADC reference LDO output.
> 
> Signed-off-by: Robert Marko <robimarko@...il.com>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

I've changed my mind on this, mostly because we've reached a new
cycle and I'd rather not see a v9 series + Lee is (I think)
keen to only take stuff through MFD if there is a build time
dependency.

Applied this patch directly to the togreg branch of iio.git
and pushed that out as testing for 0-day to play with it.
> ---
>  drivers/iio/adc/qcom-spmi-adc5.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index e96da2ef1964..821fee60a765 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -597,6 +597,8 @@ static const struct adc5_channels adc5_chans_rev2[ADC5_MAX_CHANNEL] = {
>  					SCALE_HW_CALIB_DEFAULT)
>  	[ADC5_1P25VREF]		= ADC5_CHAN_VOLT("vref_1p25", 0,
>  					SCALE_HW_CALIB_DEFAULT)
> +	[ADC5_VREF_VADC]	= ADC5_CHAN_VOLT("vref_vadc", 0,
> +					SCALE_HW_CALIB_DEFAULT)
>  	[ADC5_VPH_PWR]		= ADC5_CHAN_VOLT("vph_pwr", 1,
>  					SCALE_HW_CALIB_DEFAULT)
>  	[ADC5_VBAT_SNS]		= ADC5_CHAN_VOLT("vbat_sns", 1,