linux-kernel - Re: [PATCH v2 1/3] hwmon: ltc2990: refactor value conversion

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Message-ID: <1f8995f1-6126-87b7-bcda-bee2cabbbf81@roeck-us.net>
Date:   Fri, 18 Nov 2016 06:17:53 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Tom Levens <tom.levens@...n.ch>
Cc:     jdelvare@...e.com, robh+dt@...nel.org, mark.rutland@....com,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 1/3] hwmon: ltc2990: refactor value conversion

On 11/18/2016 06:09 AM, Guenter Roeck wrote:

>>
>> The register map wraps at 0x0F, so I only sent you the first 16 bytes. But the fully expanded form is:
>>
>>      0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
>> 00: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 10: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 20: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 30: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 40: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 50: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 60: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 70: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 80: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> 90: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> a0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> b0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> c0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> d0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> e0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>> f0: 00 00 00 00 01 90 07 d0 2c cd 7d 80 7c 29 20 00
>
> Sorry, I wasn't clear. The chip uses 16-bit registers, so the
> "w" in the command would be important to report the entire
> register content, not just the first 8 bit of each register.
>
Too early, sorry. the above is fine.

Guenter