i2c-parport: Various cleanups
authorJean Delvare <khali@linux-fr.org>
Tue, 24 May 2011 18:58:49 +0000 (20:58 +0200)
committerJean Delvare <khali@endymion.delvare>
Tue, 24 May 2011 18:58:49 +0000 (20:58 +0200)
* Fix white space.
* Rename labels to something meaningful.
* Prefix defines with PORT_ to avoid collision with macros from
  <linux/parport.h>.
* Add const markers where possible.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

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