NFC: trf7970a: Only write 'ISO Control' when its changing

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The current code always writes to the 'ISO Control' register when the
RF framing is set.  That's not necessary since the register's value
doesn't always change. Instead, only write to it when its value is
actually being changed.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

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Mark A. Greer 2014-03-25 08:54:33 -07:00 • committed by Samuel Ortiz

parent 4dd836e46c

commit 49d19cc794

1 changed files with 19 additions and 6 deletions

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drivers/nfc/trf7970a.c

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