backlight: fix register writes
authorGrazvydas Ignotas <notasas@gmail.com>
Tue, 20 Oct 2009 13:12:52 +0000 (16:12 +0300)
committerGrazvydas Ignotas <notasas@gmail.com>
Tue, 20 Oct 2009 13:20:49 +0000 (16:20 +0300)
Use read-modify-write procedure to avoid trashing other bits.
Also use some delays to avoid hiting 1-wire mode in LED driver chip.


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