Re: [PATCH 11/16 v2] Input: atmel_mxt_ts - refactor reading objecttable

From: Henrik Rydberg
Date: Fri Apr 13 2012 - 05:32:08 EST


> > Putting this conversion in a function would be nice, it would also
> > make it clear that the inverse, used for writing, is currently
> > missing. Alternatively, how about making the object struct actually
> > match the read data? To top it off, one could introduce a collection,
> > prepending the buffer size, making the write operation trivial.
>
> AFAIK, there is no corresponding "object table" write. The "object
> table" (maybe more aptly named the "object descriptor table") is an
> immutable blob read from firmware that describes some actual data
> objects elsewhere in device memory. It is those actual objects that
> are writable. When they are written, it is the actual size, location
> and number of instances (not their raw '-1' values) that is useful.

I am talking about the data that is being read here and written in
mxt_check_reg_init(). By matching the struct with that data, all the
copies you make would go away.

Henrik
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