linux-kernel - Re: [PATCH 1/2] hwmon: tmp401: add support for TI TMP435

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Message-ID: <CAMpxmJUVQyU_NC=7wByinboM-n9kvQoDALZ3-ZiDmRatKQp8Rg@mail.gmail.com>
Date:	Thu, 4 Dec 2014 15:33:47 +0100
From:	Bartosz Golaszewski <bgolaszewski@...libre.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Benoit Cousson <bcousson@...libre.com>,
	Patrick Titiano <ptitiano@...libre.com>,
	LM Sensors <lm-sensors@...sensors.org>
Subject: Re: [PATCH 1/2] hwmon: tmp401: add support for TI TMP435

2014-12-04 15:19 GMT+01:00 Guenter Roeck <linux@...ck-us.net>:
> The datasheet claims otherwise (0x31, specifically).
> Is this based on real chip information ?
> Can you send me the output from i2cdump for the chip ?
>

This is what I'm reading:

# i2cdump -y 1 0x4c
No size specified (using byte-data access)
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 1a 1b 00 00 05 55 00 55 00 00 05 55 00 55 00 0d    ??..?U.U..?U.U.?
10: 70 00 00 00 00 90 00 00 00 55 1c XX XX XX XX 00    p....?...U?XXXX.
20: 55 0a 70 XX XX 0f XX XX XX XX XX XX XX XX XX XX    U?pXX?XXXXXXXXXX
30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
40: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
50: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
60: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
70: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
80: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
90: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
a0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
b0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
c0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
d0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
e0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX    XXXXXXXXXXXXXXXX
f0: XX XX XX XX XX XX XX XX XX XX XX XX 00 35 55 35    XXXXXXXXXXXX.5U5

# i2cget -y 1 0x4c 0xff b
0x35

Bart
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