linux-kernel - Re: [PATCH v4 6/7] iio: light: vcnl4000: Add oversampling

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Message-ID: <20230528200342.21982605@jic23-huawei>
Date:   Sun, 28 May 2023 20:03:42 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Astrid Rost <astrid.rost@...s.com>
Cc:     Lars-Peter Clausen <lars@...afoo.de>, <linux-iio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel@...s.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mathieu Othacehe <m.othacehe@...il.com>
Subject: Re: [PATCH v4 6/7] iio: light: vcnl4000: Add oversampling_ratio for
 4040/4200

On Mon, 22 May 2023 16:26:20 +0200
Astrid Rost <astrid.rost@...s.com> wrote:

> Add the proximity multi pulse (PS_MPS) as oversampling_ratio.
> Instead of one single pulse per every defined time frame,
> one can program 2, 4, or even 8 pulses. This leads to a
> longer IRED on-time for each proximity measurement value, which
> also results in a higher detection range.
> 
> Add read/write attribute for proximity oversampling-ratio and read
> attribute for available oversampling-ratio.
> This is supported for vcnl4040 and vcnl4200.
> 
> Signed-off-by: Astrid Rost <astrid.rost@...s.com>

I applied the series and did a build test which showed me...

> @@ -1648,6 +1729,9 @@ static const struct iio_chan_spec vcnl4040_channels[] = {
>  		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
>  			BIT(IIO_CHAN_INFO_INT_TIME),
>  		.info_mask_separate_available = BIT(IIO_CHAN_INFO_INT_TIME),
> +			BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
> +		.info_mask_separate_available = BIT(IIO_CHAN_INFO_INT_TIME) |
> +			BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
Guessing a rebase went wrong?

I thought about just fixing this up by dropping the duplication, but given
I'm not 100% sure nothing else was affected, I'll leave it to you to fix up
and check for any other related issues for a v5. 

Jonathan

>  		.ext_info = vcnl4000_ext_info,
>  		.event_spec = vcnl4040_event_spec,
>  		.num_event_specs = ARRAY_SIZE(vcnl4040_event_spec),