Messages in this thread | | | Date | Tue, 21 Feb 2006 11:48:51 +0530 | From | Kaiwan N Billimoria <> | Subject | Re: Stuck creating sysfs hooks for a driver.. |
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Jean Delvare wrote:
>Hi Kaiwan, > >You must stay away from writing a driver for the board itself. What you >must write is in fact two different drivers: > >1* A driver for the SPI interface of your board (basically a parallel >port <-> SPI bridge). This driver will expose the device as an SPI bus >to the rest of the kernel. This driver doesn't care about what chip is >plugged on it. > >2* A driver for the LM70 temperature sensor chip, which doesn't care >about the chip location. This driver will use generic SPI commands as >offered by the spi kernel interface. > > > Ok, i see your point..
>It's really not a matter of how many features a chip has. Look at the >lm75 or w83l785ts driver, you'll see they have very few features as >well. It's a matter of having a common standard for exporting the >values to user-space, so that the same library or application can >handle all sources with minimum effort. > > > Yes, again.. I shall start looking into these aspects & workin on it in the coming week..am up to my ears in other stuff right now.. though how exactly i don;t know now :) ; will certainly require your (and others) help on this..
>Thanks, > > Thank you, your long reply was very enlightening; Kaiwan.
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