Re: [Lcd4linux-devel] I2C modifications to HD44780 driver

[Luis C. <lfc...@lf...>]

Michael Reinelt wrote:

>Hi Luis,
>
>  
>
>>My devel system is Fedora Core 3 with all the latest updates. Yes, it
>>is a 2.6 series kernel.
>>    
>>
>Mine is debian sarge/sid/experimental/dangerous/bleeding_edge/.., but
>with a self-brewed vanilla kernel 2.6.11
>
>  
>
>>But I2C is a major hack if you ask me...
>>    
>>
>Full ACK.
>  
>
>>Kernel has it's own i2c functions, the lm_sensors project also has 
>>some other functions.
>>    
>>
>I did have a look at lm_sensors, looks like they don't use the i2c
>interface at all, but access the /proc or /sys files only.
>
>  
>
>>Let's do this, please include these two files, and i'll see what can
>>be done about detecting the proper i2c includes.
>>    
>>
>I commited your patch with some modifications, and added all the auto*
>stuff. It compiles cleanly here, but for a simple reason: configure
>decieds that linux/i2c.h is unusable, and therefore deactivates I2C
>support :-)
>
>Please give it a try!
>
>  
>
I did... it seems there is still a problem...

Although you do have ifdef's around my I2C functions, and after I 
manually enable I2C by editing config.h, it seems to ignore the 
drv_generic_i2c.h file, as it spews out errors at tthe end, and 
drv_generic_i2c.c is not being compiled at all...

What does the configure look for in order to detect I2C as present?

>bye, Michael
>
>  
>

Luis