From: Guenter Roeck <guenter.roeck@ericsson.com>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] help with ads1015
Date: Thu, 01 Mar 2012 11:53:21 +0000 [thread overview]
Message-ID: <20120301115321.GA15972@ericsson.com> (raw)
In-Reply-To: <loom.20120301T115547-727@post.gmane.org>
On Thu, Mar 01, 2012 at 06:35:29AM -0500, Pierantonio Tabaro wrote:
> Hi,
> i have a arm mx28 board with a couple of ads1015,
> i have ported the driver from:
> "[PATCH v4] hwmon: Add support for Texas Instruments ADS1015"
> to my kernel 2.6.35.3
>
> when i boot the board and probe the two modules hwmon.ko and ads1015.ko nothing
> happens.
>
> with i2cdump i see the chips,i am sure of this because the default values for
> some registers are 0x8583, 0x8000 and 0x7fff.
>
> sample output for one chip:
>
> root@picomaster ~$ i2cdump 0 0x48 w
> WARNING! This program can confuse your I2C bus, cause data loss and worse!
> I will probe file /dev/i2c-0, address 0x48, mode word
> Continue? [Y/n]
> 0,8 1,9 2,a 3,b 4,c 5,d 6,e 7,f
> 00: 0000 8385 0080 ff7f 0000 8385 0080 XXXX
> 08: 0000 8385 0080 ff7f 0000 8385 0080 XXXX
>
ads1015 does not have a detect function, so you have to enter:
echo ads1015 0x48 > /sys/class/i2c-adapter/i2c-0/new_device
modprobe etc. is not necessary.
Guenter
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next prev parent reply other threads:[~2012-03-01 11:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-01 11:35 [lm-sensors] help with ads1015 Pierantonio Tabaro
2012-03-01 11:48 ` Jean Delvare
2012-03-01 11:53 ` Guenter Roeck [this message]
2012-03-01 12:01 ` Pierantonio Tabaro
2012-03-01 13:38 ` Jean Delvare
2012-03-01 14:34 ` Pierantonio Tabaro
2012-03-01 14:45 ` Guenter Roeck
2012-03-02 7:50 ` Jean Delvare
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