linux-kernel - Re: [PATCH 0/2] Enhancements for TI INA219/220 current/voltage monitors

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Message-ID: <98174c5e-d785-38dc-7d1f-c2b14273539e@kernel.org>
Date:   Fri, 14 Apr 2017 15:45:46 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Stefan Brüns <stefan.bruens@...h-aachen.de>,
        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>,
        Marc Titinger <mtitinger@...libre.com>
Subject: Re: [PATCH 0/2] Enhancements for TI INA219/220 current/voltage
 monitors

On 12/04/17 04:01, Stefan Brüns wrote:
> The ina2xx adc driver does not handle differences between INA219/220 and
> INA226/230/231 completely:
> 
> - The 219 uses a 4 bit register field for for the bus/shunt voltage adc
>   integration times each, whereas the 226 uses two 3 bit fields for the
>   integration times and an additional 3 bit averaging field.
> 
>   The first patch correct setting integration times in the config register.
> 
> - The 219 also has an adjustable PGA. The default setting allows the
>   maximum range, but also reduces accuracy.
> 
>   The second patch adds attributes for shunt PGA gain and bus voltage
>   range (bus voltage PGA), and sets the config register accordingly.
> 
> Stefan Brüns (2):
>   iio: adc: Fix integration time/averaging for INA219/220
>   iio: adc: Allow setting Shunt Voltage PGA gain and Bus Voltage range
> 
>  drivers/iio/adc/ina2xx-adc.c | 344 ++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 322 insertions(+), 22 deletions(-)
> 
These will definitely need an Ack from Marc Titinger if possible.