Re: help with ads1015

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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
> 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.


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