linux-kernel - Re: [PATCH] max44000: Remove scale from proximity

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Message-ID: <1f6f8c36-e15b-8d4e-b6c8-bba3f8e53e49@kernel.org>
Date:	Sat, 21 May 2016 20:21:44 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Crestez Dan Leonard <leonard.crestez@...el.com>,
	linux-iio@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	Daniel Baluta <daniel.baluta@...el.com>
Subject: Re: [PATCH] max44000: Remove scale from proximity

On 20/05/16 15:44, Crestez Dan Leonard wrote:
> This is not implemented and doesn't really make sense because IIO
> proximity is unit-less.
> 
> Remove IIO_CHAN_INFO_SCALE from info_mask because so that the _scale
> sysfs entry won't appear. This fixes userspace tools like generic_buffer
> which abort when reads returns an error.
> 
Applied to the fixes-togreg-post-rc1 branch of iio.git.

Thanks,

Jonathan
> Signed-off-by: Crestez Dan Leonard <leonard.crestez@...el.com>
> ---
>  drivers/iio/light/max44000.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
> index e01e58a..f17cb2e 100644
> --- a/drivers/iio/light/max44000.c
> +++ b/drivers/iio/light/max44000.c
> @@ -147,7 +147,6 @@ static const struct iio_chan_spec max44000_channels[] = {
>  	{
>  		.type = IIO_PROXIMITY,
>  		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
> -		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
>  		.scan_index = MAX44000_SCAN_INDEX_PRX,
>  		.scan_type = {
>  			.sign		= 'u',
>