drm/nouveau/i2c: bump the i2c delay for the adt7473

Some adt7473 can't manage the 20µs delay we use for the bitbanging, bumping
it to 40µs seem to do the trick.

Signed-off-by: Martin Peres <martin.peres@free.fr>
Tested-by: Marcel Dopita <mdop@seznam.cz>
This commit is contained in:
Martin Peres 2014-05-26 00:42:13 +02:00 • committed by Ben Skeggs
commit 9044fa60fd