Re: [PATCH] iio: adc: xilinx: Fix VREFN scale

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From	Jonathan Cameron <jic23@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] iio: adc: xilinx: Fix VREFN scale
Date	Sun, 15 Nov 2015 11:50:01 +0100
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X-Original-To	Thomas Betker <thomas.betker@freenet.de>, linux-iio@vger.kernel.org, Hartmut Knaack <knaack.h@gmx.de>
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X-Original-Cc	Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald <pmeerw@pmeerw.net>, Michal Simek <michal.simek@xilinx.com>, Sören Brinkmann <soren.brinkmann@xilinx.com>, Xander Huff <xander.huff@ni.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas Betker <thomas.betker@rohde-schwarz.com>
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On 11/11/15 20:24, Thomas Betker wrote:
> From: Thomas Betker <thomas.betker@rohde-schwarz.com>
> 
> The scaling factor for VREFN is 3.0/4096 (not 1.0/4096), just as for
> VREFP. This is not immediately obvious from the specification (Xilinx
> UG480), but has been confirmed by Xilinx support.
> 
> Suggested-by: Hartmut Knaack <knaack.h@gmx.de>
> Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com>
Applied to the fixes-togreg branch of iio.git and marked for stable.

Thanks,

Jonathan
> ---
>  drivers/iio/adc/xilinx-xadc-core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
> index 0370624..02e636a 100644
> --- a/drivers/iio/adc/xilinx-xadc-core.c
> +++ b/drivers/iio/adc/xilinx-xadc-core.c
> @@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
>  			case XADC_REG_VCCINT:
>  			case XADC_REG_VCCAUX:
>  			case XADC_REG_VREFP:
> +			case XADC_REG_VREFN:
>  			case XADC_REG_VCCBRAM:
>  			case XADC_REG_VCCPINT:
>  			case XADC_REG_VCCPAUX:
> 

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[PATCH] iio: adc: xilinx: Fix VREFN scale Thomas Betker <thomas.betker@freenet.de> - 2015-11-11 21:30 +0100
  Re: [PATCH] iio: adc: xilinx: Fix VREFN scale Jonathan Cameron <jic23@kernel.org> - 2015-11-15 11:50 +0100

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