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i2c sensors for A8N VM csm under linux



 
 
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  #1  
Old July 27th 06, 04:20 PM posted to alt.comp.periphs.mainboard.asus
[email protected]
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Posts: 3
Default i2c sensors for A8N VM csm under linux

dear asus experts:

I have compiled w83627ehf and i2c-nforce2 into the kernel 2.6.17.4. A
grep of dmesg gives me:

i2c /dev entries driver
i2c-co driver [dev_driver] registered
i2c_adapter i2c-9191: ISA main adapter registered
i2c_adapter i2c-9191: Driver w83627ehf registered
i2c_adapter i2c-9191: client [w83627ehf] registered with bus id
9191-0290
i2c_adapter i2c-0: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 0
i2c_adapter i2c-1: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 1
i2c_adapter i2c-2: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 2
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fff677f6430
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fffecfa6be0
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7ffff2a13650
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7fffad0cf780
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fffad0cf780
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fffad0cf780

alas, i2cdetect 0 (or 1 or 2) gives me an error:
Error: Can't use SMBus Quick Write command on this bus (ISA bus?)

may I ask what else is required? (i2c-pca-isa, for example)

sincerely,

/iaw

  #2  
Old July 28th 06, 09:07 AM posted to alt.comp.periphs.mainboard.asus
Paul
external usenet poster
 
Posts: 13,364
Default i2c sensors for A8N VM csm under linux

In article .com,
" wrote:

dear asus experts:

I have compiled w83627ehf and i2c-nforce2 into the kernel 2.6.17.4. A
grep of dmesg gives me:

i2c /dev entries driver
i2c-co driver [dev_driver] registered
i2c_adapter i2c-9191: ISA main adapter registered
i2c_adapter i2c-9191: Driver w83627ehf registered
i2c_adapter i2c-9191: client [w83627ehf] registered with bus id
9191-0290
i2c_adapter i2c-0: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 0
i2c_adapter i2c-1: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 1
i2c_adapter i2c-2: adapter [NVIDIA I2C Device] registered
i2c-dev: adapter [NVIDIA I2C Device] registered as minor 2
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fff7ce3d500
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fff677f6430
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fffecfa6be0
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7ffff2a13650
i2c_adapter i2c-2: ioctl, cmd=0x705, arg=0x7fffad0cf780
i2c_adapter i2c-1: ioctl, cmd=0x705, arg=0x7fffad0cf780
i2c_adapter i2c-0: ioctl, cmd=0x705, arg=0x7fffad0cf780

alas, i2cdetect 0 (or 1 or 2) gives me an error:
Error: Can't use SMBus Quick Write command on this bus (ISA bus?)

may I ask what else is required? (i2c-pca-isa, for example)

sincerely,

/iaw


The chip sits on the LPC bus (low pin count). That is a lot
faster than the old SMBUS, and I think even things like
the BIOS chip can sit on that bus. The real question is how
the software developers chose to classify the thing. They
don't always use the right bus, and lump these things all
into a "catagory". So it could very well be that the
thing needs ISA, because LPC might not even be recognized
as such.

http://www.winbond-usa.com/products/...627EHF_EHG.pdf

For example, here is a message claiming W83627EHF was
moved to ISA. Don't ask me what that means :-)

"Separate non-i2c hwmon drivers from i2c-core -- drivers/hwmon/w83627ehf.c"
http://lists.lm-sensors.org/pipermai...ly/013027.html

Good luck,
Paul
 




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